高三英语作文整合

时间:2022-12-25 03:57:37 作者:冰皮蛋糕 作文大全 收藏本文 下载本文

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篇1:高三英语作文整合

Don't drop than wood sent to mountain, changping bacc the exhaust and the sea. Life is easy to fight old heart not old, is the so-called: never too old to learn, learn seventy also too few. Brief is life, but should not be in a hurry traveler, and it should be: June struggle of passion, such as fire, forward steps if the river waves, in the mountain mountain, the water cut of water! When we failure on the way of life, see more Mozart, Bach, Beethoven, shi tiesheng, Helen Keller... They are art and literature have these, but unfortunately in life. They bowed their heads? The fall? Complain about? Give up?

“Ups and downs of life,” “I see the road, I will search up and down”, “spring breeze willow ten thousand, millions of shenzhou ShunYao” poets are all in the pursuit of exploration. Life, have their own value. If a person can't make my life brilliant, but also have no reason to make it dull; Life can be ordinary, but not vulgar, vice; Life doesn't care about how much tear, and the process of lies in the pursuit of perfection and excellence!

Life is more precious than time. Life, the most dazzling is career. Life, the most happy is struggle.

Everyone has a tomorrow, everyone has a next year. A foothold today, look forward to tomorrow, based on this year, next year.

I believe that no matter how bumpy the road in the future, as long as you seize today, sooner or later, will taste the sweetness of life in the struggle. Seize the moment in your life, rather than waste a year in January!

The pursuit of positive, one percent of the hope may also become a reality; Passive waiting, ninety-nine percent sure will be ruined!

不降比木材送到山,常平百川排气和海。人生容易打仗,老心不老,就是所谓:永远不太老学,学七十也太少。短暂是人生,但不应匆匆过客,它应该是:六月的奋斗激情,如火,前进的脚步,如河流的波涛,在山的山上,水的流水!当我们在人生道路上失败时,多看看莫扎特、巴赫、贝多芬、史铁生、海伦·凯勒…他们是艺术和文学有这些,但不幸的是在生活中。他们低下了头?秋天?抱怨吗?放弃吗?

“人生的跌宕起伏,“我看路,我将上下求索”、“春风杨柳一万,神州舜尧”诗人数以百万计的人都在探索追求。人生,有自己的价值。如果一个人不能使我的人生辉煌,也没有理由使它变得平淡;人生可以平凡,但不能庸俗;罪恶;生活不在乎多少眼泪,而在于追求完美和卓越的过程!

生命比时间宝贵。人生,最耀眼的是事业。人生,最幸福的是奋斗。

每个人都有明天,每个人都有下一年。立足今天,期待明天,立足于这一年,明年。

我相信,无论未来的道路多么坎坷,只要抓住今天,迟早会尝到人生奋斗的甜蜜。抓住你生命中的那一刻,而不是在一月浪费一年!

篇2:2021高三英语作文整合

校庆晚会邀请信

假如你是李越,请按如下提示给外教Smith写一封信,邀请他参加你校建校50周年校庆晚会。

1.晚会时间:9月20日晚8点至10点;

2.晚会地点:青少年活动中心(大学路与兴华街交叉口东北角);

3.晚会节目:自拟(至少3条);

4.座位安排:3区4排6号。

注意:

1.词数100~120;

2.可以适当增加细节,以使行文连贯;

3.开头和结尾已给出,不计入总词数。

Dear Smith,

Yours,

Li Yue

校庆晚会邀请信英语作文范文:

Dear Smith,

I'm honored on behalf of our school to invite you to attend the evening party in celebration of our school's 50th anniversary. Here is the information in detail.

As scheduled, the performance is due to start at 20 o'clock and end at 22 o'clock on September 20, 2020.You are arranged to sit in seat 6, row 4, section 3 where you can feast your eyes. At the party, folk songs will be performed, poem recitation and students' group dance included.

By the way, you can take bus No.4 to the party venue, the Youth Activity Center located northeast of the crossroads where Xinghua Street meets University Road.

Looking forward to hearing from you soon.

Yours,

Li Hua

篇3:2021高三英语作文整合

学生会迎新联欢晚会邀请函

假定你是学生会主席李华,学生会将举行迎新联欢晚会,请你给外籍教师Tom写一封邀请函。内容包括:

1.晚会时间7:00 p.m.-9:00 p.m. next Friday;

2.晚会地点Students' Meeting Hall;

3.表演内容;

4.邀请对方参加表演以及询问对方的意愿。

注意:1.词数100左右;

2.可以适当增加细节,以使行文连贯;

3.邀请信的开头和结尾已给出,不计入总词数。

Dear Tom,

How are you doing?_________________________________________________________________________

_____________________________________________________________________________________________

I'm looking forward to your reply.

Yours,

Li Hua

范文:

Dear Tom,

How are you doing?Currently,in order to welcome the new students,an evening party will be held in our school. As the Chairman of the Students' Union,I'm writing to invite you to join us.

Here is a brief schedule.First,it will be held in the Students' Meeting Hall from 7:00 p.m. to 9:00 p.m. next Friday.Additionally,there will be many wonderful performances presented by the teachers and students,such as singing,dancing,performing plays and so on.Everyone is longing for your coming,and it would be more cheerful if you could give a performance.

I sincerely hope that you can accept our invitation and I have the confidence that we students would be extremely delighted to see you.Please let me know your decision if it is convenient for you.

I'm looking forward to your reply.

Yours,

Li Hua

篇4:高三端午节英语作文整合

Dragon Boat Festival Dragon Boat race is a unique folk activities, the causes of this event is to commemorate one of ancient China during the great poet - Qu Yuan established.

I am fortunate enough to see a dragon-boat race, because my father just the day time, so our whole family to see the dragon-boat race. Dragon-boat race to reach the venue, the shore on both sides has long been the people watching Wai was packed, and I saw a gap on the bridge, perhaps family members crowded the past. This position clear at a glance down the entire river.

Dragon-boat race began, each boat is like a arrow, the一个劲forward, every boat is tied to many of the following are dumplings, each step forward, there are people on the boat with a knife to cut rice dumplings thrown into the water the next. Each dragon boat is not at the speed of up and down: on the 1st minute lead on the 8th again and pretty soon to catch up with the. Van

Suddenly, it seems efforts to increase boating hand, each only a faster boat. At this time, the hands began to beat the drum-ming, rowing hand is immediately followed by the rhythm of the : “Thunk! Thunk! Ho! Ho! Ho ho ho .” seems to boost the morale of God , has started drizzling. Really drum! Voice! Cheers! Blast sound! Rain! Sweat! Compatible with the river water!

Dragon pace, as if in the long rapid river groups in the FT. Gradually, gradually. 1, 5, 9, constitute the leading group. 100 meters! 50 meters! 20 meters. . . . . . The end draws near, only 5 of the power of the outbreak out of control! Two dragon boat to the back of far left behind, and then the finish line of the!

Dragon-boat race is a fierce competition ah!

赛龙舟是端午节的一种独特的民俗活动,这个活动的起因是为纪念我国古代时的一伟大的诗人——屈原而设立的。

我今年有幸去看了一次赛龙舟,因为爸爸当天正好有空,所以我们全家去看赛龙舟。到达赛龙舟的场地时,岸两边早已被围观的人们围得水泄不通了,我看了桥上的一个空挡,便叫家人挤了过去。这个位置居高临下整个江面面一目了然。

赛龙舟开始了,每只龙舟都像一支离弦的箭,一个劲的向前冲,每一只龙舟下面都都绑着不少粽子,每向前一步,龙舟上都有人用刀子把粽子斩下扔进水里。每只龙舟的速度都不分上下:一会儿1号,不一会儿8号又追上了。

突然,划船手好像力气大增,每一只龙舟的速度更快了。

篇5:经典英语故事整合

幽默笑话:上帝造人

Amanwaswanderingaroundinafield,thinkingabouthowgoodhiswifehadbeentohimandhowfortunatehewastohaveher,

有名男子在田野里徘徊,心里想着他的老婆对他有多么好,他多么幸运拥有她。

HeaskedGod,“Whydidyoumakehersokindhearted?”

他问上帝:“你为什么要把她造得这么心地善良?”

TheLord1responded2,“Soyoucouldloveher,myson.”

主响应说:“我儿呀,这样你就会爱她呀。”

“Whydidyoumakehersogoodlooking?”

“你为什么要把她造得这么貌美呢?”

“Soyoucouldloveher,myson.”

“我儿呀,这样你就会爱她呀。”

“Whydidyoumakehersuchagoodcook?”

“你为什么要把她造成一个很会做饭菜的人呢?”

“Soyoucouldloveher,myson.”

“我儿呀,这样你就会爱她呀。”

Themanthoughtaboutthis.

这名男子想了一下这件事。

Thenhesaid,“Idon'tmeantoseemungratefuloranything,but,whydidyoumakehersostupid?”

然后他说:“我并不是有意好像我不知好歹,或是什么的,可是,你为什么把她造得这么笨?”

“Soshecouldloveyou,myson.”

“我儿呀,这样她就会爱你呀。

篇6:经典英语故事整合

Juan Shuliang, who lived in Xiashui district, was a foolish and craven coward.

居住在夏水地区的涓蜀梁是一个既愚蠢又胆小的懦夫。

One day, he was hurrying on his journey in the moonlight when he lowered his head and saw his own shadow behind him, he thought it was a evil ghost crouching on the ground and got very nervous when he lifted his head, he saw his own hair and thought it was a ghost standing there.

他在月光底下赶夜路,偶尔一低头,看见月光下自己身后的影子,以为是一个趴在底下的恶鬼,心里立刻就紧张起来;当他仰头的时候,看见自己的头发,又以为遇见了一个站着的魔鬼。

Believing that there were two ghosts following him Juan Shuliang was scared out of wits and started to run. He ran wildly without stopping. Just upon arriving home, Juan Shuliang died from scare and weariness.

想到两个鬼跟着自己,涓蜀梁吓得魂飞魄散,转身就跑,由于一路狂奔不止,刚刚回到家里,涓蜀梁就因连吓带累,气绝身亡。

篇7:英语谚语整合

1、不怕年老,就怕躺倒。

if you are not afraid of old age, you are afraid to lie down.

2、蜜多不甜,油多不香。

honey is not sweet, oil is not fragrant.

3、虎吃人易躲,人吃人难防。

tigers eat people easily, but people eat people hard to prevent.

4、行船趁顺风,打铁趁火红。

shipping takes advantage of the wind and iron takes advantage of the fire.

5、瓜无滚圆,人无十全。

no melon is round, no man is perfect.

6、病好不谢医,下次无人医。

if you are ill, thank the doctor. next time there will be no doctor.

7、世上无难事,只怕有心人。

nothing is difficult if you put your heart into it.

8、笨人先起身,笨鸟早出林。

a fool gets up first, and a foolish bird comes out early.

9、要打当面鼓,不敲背后锣。

we should beat drums in front of us, not gongs behind us.

10、虎不怕山高,鱼不怕水深。

tigers are not afraid of mountain heights, fish are not afraid of water depths.

11、屋里不烧火,屋外不冒烟。

there is no fire in the house and no smoke outside.

12、人不缺地的工,地不缺人的粮。

no man lacks land for his work and no man's food for his land.

13、吃人家的嘴短,拿人家的手短。

eat people's mouth short, take people's hand short.

14、它山之石,能够攻玉。

the stone of other mountains can attack the jade.

15、勤是摇钱树,俭是聚宝盆。

diligence is a cash cow, and thrift is a treasure trough.

16、戒酒戒头一盅,戒烟戒头一口。

stop drinking and smoking.

17、会说的说一句,不会说的说十句。

say one thing, not ten.

18、水能载舟,亦能覆舟。

water can carry a boat and overturn it.

19、念书不用功,等于白搭工。

if you don't study hard, you're working for nothing.

20、南方吃雁,北方吃蛋。

the south eats geese while the north eats eggs.

21、说归说,笑归笑,动手动脚没家教。

speaking, laughing and laughing, no tutor.

22、闪光的不全是金子。

all that glitters is not gold.

23、自在不成人,成人不自在。

in adulthood, adults are not comfortable.

24、开水不响,响水不开。

the boiling water is silent, but the sounding water does not work.

25、早起三光,晚起三慌。

get up early three lights, get up late three panic.

26、关西出将,关东出相。

guanxi is a general and guandong is a minister.

27、经常用的钥匙总是闪光的。

the frequently used keys always shine.

28、好种出好苗,好树结好桃。

good planting, good seedling, good tree, good peach.

29、小人记仇,君子感恩。

a gentleman is grateful for his vengeance.

30、六月不热,五谷不结。

june is not hot, grain is not knotted.

篇8:英语谚语整合

1、笑口常开,青春常在。

Laughter is always open, youth is always there.

2、理解生活而且还要热爱生活。

Understand life and love it.

3、一天笑一笑,赛似吃好药。

A day's laughter is like taking good medicine.

4、快乐不在于事情,而在于我们自己。

Happiness lies not in things, but in ourselves.

5、外在压力增加时,就应增强内在的动力。

When the external pressure increases, the internal power should be strengthened.

6、笑长命,哭生病。

Laugh long, cry sick.

7、风力掀天浪打头,只须一笑不须愁。

Wind makes waves and waves, so long as you laugh, you don't have to worry.

8、心中有病,心神不定。一笑值千金。

A sick heart makes a restless mind. A laugh is worth a thousand dollars.

9、多笑使人延年益寿,多恼催人衰老多病。

Laughter prolongs one's life, and worry leads to aging and illness.

10、一日三笑,人生难老;一日三恼,不老也老。

Laugh three times a day, life is hard to grow old; worry three times a day, not old but also old.

11、心宽转少年。

Wide hearts turn young.

12、不以物喜,不以己悲。

Not pleased by external gains, not saddened by personal losses.

13、人们需要快乐,就像需要衣服一样。

People need happiness just as they need clothes.

14、不气不愁,能活白头。

You can live a white head without worrying.

15、运动是健康的源泉。

Exercise is the source of health.

16、只有信念使快乐真实。

Only faith makes happiness real.

17、可以动摇,但不会被覆灭。

It can be shaken, but it will not be destroyed.

18、愉快的笑声,是精神健康的可靠标志。

Happy laughter is a reliable sign of mental health.

19、生活,就应当努力使之美好起来。

Life, we should strive to make it better.

20、任凭雨注,总有天晴时。

Let the rain pour, there will always be sunny days.

21、自然者天地,主持者人。

Nature, the host.

22、悲观的人虽生犹死,乐观的人永生不老。

Pessimistic people die, optimistic people never grow old.

23、心宽体胖,勤劳体壮。

Broad-minded and fat, hard-working and strong.

24、快乐应该是美德的伴侣。

Happiness should be the companion of virtue.

25、闲看庭院花开花落,漫随天边云卷云舒。

Watching the courtyard flowers blossom and fall, clouds roll over the horizon.

26、心病还须心药医。心里痛快百病消。

Heart disease also requires a cardio-pharmacist. All illnesses disappear in my heart.

27、高兴能把小病治愈,忧愁能使小病加重。

Happiness can cure a minor illness, and sorrow can aggravate it.

28、捧着一颗心,不带半根草去。

Hold a heart without half grass.

29、心花怒放,笑逐颜开。

The heart is in full bloom and the face is full of laughter.

30、若要健,天天练。

If you want to be healthy, practice every day.

31、宁愿辛苦一阵子,不要辛苦一辈子。

I would rather work hard for a while than for a lifetime.

32、生活着,就是爱。

Life is love.

33、心平气和,五体安宁。

Peace of mind and tranquility of the five bodies.

34、人以巧胜天。

Skills triumph over heaven.

35、乌云后面依然是灿烂的晴天。

Behind the dark clouds is still a bright sunny day.

36、笑笑说说散散心,不说不笑要成病。

Laughing, talking, relaxing, not laughing, will become ill.

37、大鹏一日同风起,扶摇直上九万里。

Dapeng rose in the same wind and rocked up to 90,000 miles a day.

38、乐观的人永葆青春。

An optimistic person is always young.

39、心胸宽阔的人,喝水也会胖。

A broad-minded person will gain weight if he drinks water.

40、笑一笑,十年少。一日三笑,不用吃药。

Laugh, ten years old. Laugh three times a day without taking medicine.

篇9:英语谚语整合

1、横眉冷对千夫指,俯首甘为孺子牛。

the frown is cold to the finger of a thousand men, and the bow is sweet to the cow.

2、吃得苦中苦,方为人上人。

if you suffer bitterly, you will become a man.

3、才饮长江水,又食武昌鱼。

only then drinks the yangtze river water, eats the wuchang fish.

4、宝剑锋从磨砺出,梅花香自苦寒来。

april showers bring may flowers.

5、单丝不成线,独木不成林。

a single silk does not make a thread, a single tree does not make a forest.

6、野火烧不尽,春风吹又生。

wild fire never burns, spring breeze blows again.

7、抽刀断水水更流,举杯销愁愁更愁。

draw a knife, cut off water and flow more, raise a glass to sell sorrow more sad.

8、不塞不流,不止不行。

no congestion, no flow, no more.

9、泪随流水急,愁逐野云飞。

tears rush with the water, and sorrow flies with the wild clouds.

10、冰川融碧水,波浪化银梭。

glaciers melt blue water and wave silver shuttles.

11、九载拼搏赢佳绩,一朝腾飞写华章。

nine years of struggle and success, once soaring write huazhang.

12、三尺讲台迎冬夏,一寸粉笔画春秋。

three feet platform for winter and summer, an inch of chalk painting spring and autumn.

13、失败者找借口,成功者找方法!

losers find excuses, winners find ways!

14、一弹流水一弹月,半入江风半入云。

one bullet of water, one bullet of month, half of the wind into the river, half into the clouds.

15、感时花溅泪,恨别鸟惊心。

tears splashed when i felt it, and i hated goodbye birds.

16、破帽遮颜过闹市,漏船载酒泛中流。

broken hats cover up the busy city, leaking boat-borne liquor in midstream.

17、十年寒窗无人问,一举成名天下知。

ten years of cold window no one asked, instant fame all over the world.

18、雨中竹叶含珠泪,雪里梅花载素冠。

bamboo leaves in rain contain tears, plum blossoms in snow contain vegetable crowns.

19、兄弟一条心,泥土变黄金。

brothers have one heart, and the earth turns to gold.

20、山峻千层雪,江长万里奔。

thousands of snow cover the mountains and the river runs thousands of miles.

21、涛振九霄云,龙腾壮志魂。

tao zhenjiuxiaoyun is the soul of longteng.

22、天若有情天亦老,月若无情月长圆。

if the sky is sentimental, the sky is old, and if the moon is merciless, the moon is full.

23、不要等待机会,而要创造机会。

don't wait for opportunities, but create them.

24、林秀峭峰侧,崖高险谷多。

there are many high and dangerous valleys on the side of lin xiu's steep peak.

25、梨花院落溶溶月,柳絮池塘淡淡风。

pear flower courtyard dissolves month, willow catkin pond light wind.

26、笔落惊风雨,诗成泣鬼神。

writing storms, poetry into tears ghosts and gods.

27、一片苦心育桃李,十载流年孕英才。

a painstaking cultivation of peaches and plums, ten years pregnant with talent.

28、峡高升玉瀑,湖阔望飞轮。

gorge gaosheng jade waterfall, lake wide view flywheel.

29、别裁伪体亲风雅,转益多师是汝师。

the genre of the pseudo-genre is elegant, and it is your teacher who turns to be a good teacher.

30、朔气传金柝,寒光照铁衣。

shuo qi spreads to jin qi, and cold light shines on iron clothes.

篇10:高三期末考试总结作文「整合」

高三期末考试总结作文「整合」

【例文一】

这次期末考试完毕,卷子发下来了,我只考了九十分。

我大部分的分都丢在第一题考字词的、第四题分辨字词的、理解文章的地方,还有一小部分分丢在第六大题排列句子考逻辑思维的地方。

在第一题考字词的地方我丢了三分。其中一分是因为粗心大意丢的,另外一分是我把字搞混了,给写错了,最后一分是我书写不太好,老师给看错了。第一个错的字是“润”字,可我写的'时候粗心了,我给画蛇添足了,把“王”写成了“玉”。第二个错字是寄托的“寄”,我把寄托的“寄”写成了继续的“继”。第三个错字是“勇”,我写“勇”的时候,力的那一撇和勇的上半部分的中间那一竖给连上了,所以老师给看错了。整体来看,我的字词不太扎实。

第四大题选词语的地方一共有四个小题,我错了三个,第一个是把“深刻”选成了“深奥”,给搞混了。第二个是把“清楚”选成了“清晰”,也是给弄反了。第三个错误是把“实验”选成了“试验”,实验和试验的意思不太理解。

第八大题阅读理解的第二篇文章的第一小题修改语病和的三小题写原因我都写错了。第一小题是我运用的修改符号不当,第三小题是我应该多读几遍文章。

第六小题排列句子第五和第六句给写反了。

我全对的地方是第七题……

第七题都是书上的原文让你填空,也有一小题让你说你的理解。我全对是因为我背的很熟。

下一次考试,我要细心,不能草草地写上就行了,如果最后有时间还要细心的检查一遍。而且平时也要用心、下功夫。

【例文二】

这一整个学期已落下帷幕,连笔也换成了老师送的奖品,想想也知道,这次考得不错.心里虽然很高兴,但也不能太得意,毕竟还有比我更好的,如果现在就骄傲了,那就是一个最大的失败了,还要经历多少风风雨雨才能见彩虹啊!

这次考试可以说有三分简单,所以基础部分一分不落顺利通过了,这靠的是上课认真听,认真记,认真默,就可以达到的,这也说明了学习是要踏踏实实的.文言文部分也一样,碰巧一篇课文的<狐假虎威>是做过的,也不复杂,所以也没落下.而阅读部分却出现了漏洞,课内的题几乎全做过,课外的就有问题了,有许多都是靠上下文找的.我天真了一点,只看了“上下句”,因而答对一半,可“文”是什么意思?指“文章”,所以有必要时文章也得再次看,仔仔细细地找,这样答案会更精确,更完美,只要有充足的时间,应该多看多读才行啊!我很后悔考试时自己忽略了这一点.

期终考试的作文题可谓前所未见,我想了半天,也没得个好分,扣了9分!对我来说,这无疑是个很大的打击,说实话,我本来对作文还很自信呢!分析下来,一共失误在两个地方,其一就是思路问题,题目<告诉你,我很棒>明明可以写各个方面自己做得好的事,而我的脑子好像只搭上一根筋,只是想到学习好,品德好两方面,没有开扩地想,也并没有套用以前写的,而是新写了一篇.其二就是跟老师前几周在周记本上写的一样,不够简洁.看来要改进的地方很多呢!

这一次,我考了89分,人家说“59和60就完全不一样.”“69和70也不是一个档次.”89和90分当然也是两户人,所以我还会加倍努力把成绩进一步提高,创造新的辉煌!

篇11:高一英语作文精选整合

高一英语作文带翻译-我生病了 I Am Sick

I felt dizzy when I got up this morning. It didn’t care about it, because I thought I just because I hadn’t had a good sleep last night. Then I went to school without breakfast. I lost my appetite. But after I had two classes, I felt much worse and my body getting hot. My desk mate found my illness and told me to ask for a leave. She helped me to write the sick note and took me home. Mother was surprised to see me come home. When she realized I was sick, she took me to the hospital immediately. Doctor said I had a fever caused by cough. I had to put on a drip and take medicines for three days. Then I went home and had rest.

今天早晨起床的时候,我感觉到头晕,但是我并没有太在意,以为只是因为昨天晚上睡不好的缘故。由于没有胃口,没吃早餐我就去上学了。但两节课过后,我感觉很不舒服,身体开始发烫。我的同桌发现了我的不适,叫我请假。她帮我写了假条然后送我回家。看到我回家,妈妈大吃了一惊。她知道我生病后,马上就带我去医院了。医生说我是由于感冒引起的发烧,要打三天的点滴,还要吃药。然后,我就回家休息.

高一经典英语作文带翻译:家乡的变化

My hometown used to be a backward place, because it was deep in the mountains, where there were no nice buildings and the roads were so narrow and dirty. People lived a poor life. 我的家乡过去是一个落后的地方,因为它在深山里面,那里没有漂亮的建筑物,公路也是又小又脏的。人们的生活都很贫苦。 While in recent years, with the development of society, my hometown has been greatly changed. Now the roads are getting much wider. There are many different cars and buses running on the roads. Trees and flowers are planted on the two sides of the roads. They can provide us with oxygen and fight against the pollutants. So the sky becomes cleaner and brighter. What's more, you can see many modern and beautiful buildings everywhere, and the living conditions are improving. People are enjoying a comfortable life now.近年来,随着社会的发展,我的家乡发生了很大的变化。现在的路是越来越大了。有许多不同的汽车和公交车在道路上运行。道路两边种满了树木和鲜花。他们可以为我们提供氧气,与污染物抗争。现在天空变得更清洁、更明亮。更重要的是,你随处可见到许多现代和美丽的建筑,人们的生活条件也得到了改善。现在人们在享受舒适的生活。

高一优秀英语作文-学校生活 My School Life

My school life is very common. I get up at six o’clock every morning from Monday to Friday. And the I would go running with my classmates, as our head teacher says health is the most important thing. After running I have to do morning exercises on the playground. Then I can have breakfast. Having breakfast, I need to have morning reading. Oh, I almost forget that all of the students have to do some cleaning before breakfast. There come the various classes. Then noon comes. Having lunch, I will go to sleep. I often read twenty minutes before I fall asleep. I have class in the afternoon. And I still have classes at night. It’s boring, right? But I have got used to it and enjoy myself at school.

我的学校生活是普通的。从星期一到星期五我每天早上六点起床。之后我会和同学一起去跑步,因为班主任说健康是最重要的。跑完步后我要在操场上做早操。然后我就可以吃早餐了。吃完早餐后,我就要早读了。哦,我差点忘了,所有的学生在早餐前都要做大扫除。之后就是各种各样的课程了。再之后中午来了。吃完午饭后,我就要去午睡。我经常会在睡觉之前看十分钟的书。下午继续上课。晚上也是。是不是很无聊呢?但我已习惯了在学校的生活,并且过得很开心。

高一英语作文带翻译:Thanksgiving Day

Do you know thanksgiving day? do you know why human thank god?

Thanksgiving falls on the fourth thursday of november, a different date every year. the president must proclaim that date as the official celebration.

Thanksgiving is a time for tradition and sharing. even if they live far away, family members gather for a reunion at the house of an older relative. all give thanks together for the good things that they have.

In this spirit of sharing, civic groups and charitable organizations offer a traditional meal to those in need, particularly the homeless. on most tables throughout the united states,foods eaten at the first thanksgiving have become traditional.

What should we thank?

The thankful great universe provides the environment of existence for us and give us sunlight,air, water and everything in keeping with we existence of space, bring storm to let us accept to toughen for us, bring to us mysterious let us look for.

The thankful parents give us the life, make us feel the merriment of the human life, feel the genuine feeling of the human life, feel the comity of the human life, feel happiness of the human life, also feel hardships and pain and sufferings of the human life!

The thankful teacher works with diligence and without fatigue everyday of teach, give us knowledge ability, put on the wing which flies toward the ideal for us.

The thankful classmate and friend grows up road of, let i no longer standing alone in the itinerary of life; the with gratitude is frustrated and let us become in a time the failurestronger.

你知道感恩节吗?你知道为什么人类感谢上帝? 感恩节在11月的第四个星期四,一个不同的日期。总统必须宣称日期的官方庆祝活动。 感恩节是一个传统和分享的时候了。即使他们住得很远,家庭成员聚在一起,在众议院的一位年长的亲人团聚。感谢在一起的好东西。 在这种分享精神、公民团体和慈善机构为那些有需要的人提供一个传统的餐饭,尤其是那些无家可归的人。在美国,大多数表在第一个感恩节食物已经成为传统。 我们应该感谢什么呢? 感谢伟大的宇宙为我们提供了生存的环境,给了我们阳光,空气,水,一切都符合我们的存在空间,带来风暴让我们接受锻炼我们,给我们带来神秘让我们寻找。 感恩父母给我们生命,使我们感到欢乐的人类生活,感受人间的真情,感受友谊的人类生活,感受幸福的人类生活,也觉得困难和痛苦的人类的生命! 感谢老师与勤奋和没有疲劳日常教,给我们知识能力,穿上的翅膀飞向我们的理想。 感谢同学和朋友成长的道路,让我不再独自站在生命的旅程,感恩是沮丧和让我们成为failurestronger在一个时间。

高一经典英语作文:High School Life

The first day when I go to high school, I felt excited, after 9 years’ study, I felt I was so close to university, the dream always gives me motivation to move on. The first year, I made many friends, I got to know all of my classmates, though the study was hard and tedious, I shared happiness and sorrow with my friends. When the second year came, I was arranged to another class, for the need of my major. I was a little frustrated at first, because I was worried no one could talk to me, but I made new friends quickly, sometimes I would keep in touch with my old friends. Now the last year has come, I must study hard, I will go to college next year, never have I felt so close to my dream. High school life is not easy for me, for the pressure is so heavy, but I won’t give up.

我上高中的第一天,觉得很兴奋,经过了九年的学习,我觉得自己很接近大学,这个梦想总是给予我动力前进。在第一天,我结交了很多朋友,我开始知道我所有的同学,虽然学习很困难和乏味,我和朋友共享喜怒哀乐。当第二年来到的时候,我被安排到了另外一个班,出于专业的需要。刚开始,我感到很沮丧,因为我担心没人和我交谈,但是很快我就结交了新朋友,有时候我会和老朋友联系。现在最后一年已经来到,我一定要努力学习,这样我就能在明年上大学,我从未觉得自己如此靠近梦想。高中生活对我来说不容易,因为压力大,但是我不会放弃的。

篇12:初三英语作文整合

Get out of the advantage trap_走出优势陷阱英语作文

Everyone has their own advantages, advantages can help a person to success, but if you don't know how to use their advantages, it will be counterproductive, will fall into their own advantage trap.

The advantage is not used will become a disadvantage, is the so-called drowned are able to swim. A philosopher once said: many times, we do not fall on their own shortcomings, but often fall on their own strengths.

When a person does not realize his own advantages, he will lose the premise of success, the opportunity to succeed inadvertently passed, and a person too much value their own advantages, become self-righteous, he will lose the opportunity to develop and grow.

Therefore, we should learn the transformation between advantages and disadvantages.

篇13:初二英语作文整合

E-Books Are Good

It’s reported that school students in Korea will use e-books from 2011. What good news this is! E-books have many advantages.

Most importantly, they are good for the environment, since they can save lots of paper and trees. Besides, they are very convenient. To get a paper book, one has to spend a lot of time searching for it in a bookshop. But we can find e-books very quickly on the computer.

In short, e-books can help us enjoy our life more.

篇14:初三英语作文整合

Play to your strengths_发挥你的长处

Everyone has their own advantages, we should be good at discovering their own advantages, good at using their own advantages, the so-called advantage is that they have a stronger ability than others.

Everything in the world has its own unique style and unique advantages. And none of us are really bad. We are grateful for our strengths, because they show our unique value, because they give us a special place, and they help us succeed. There is a famous person said: in the perspective of success psychology, the most important thing to judge whether a person is successful is to see whether he maximizes his own advantages.

This tells us that only good at discovering their own advantages, cultivate their own advantages, play their own advantages, to reach the other side of success.

篇15:初三英语作文整合

The letter_一封信英

Dear Tom.

It's really hard to say goodbye, you are the very person that gives me a hand when necessarily. You're the most considerate person who knows exactly what I need.

Still remember that night two years ago, when I suddenly fell ill.

I still have hundreds of stories to share with you,l still have thousands of blessings for you. May all your dreams come true,may our friendship last till the end of the universe.

篇16:初三英语作文整合

Is it OK to tell white lies_说些善意的谎言可以吗

Last week our class had a discussion about whether it is OK to tell white lies. Every student has different opinions.

Some students think that white lies are good intentions, and it's okay to say so. Moreover, white lies can help people get along well and enhance their self-confidence.

However, some students oppose these views. They think a white lie is also a lie, so it can hurt friendship and even family. Likewise, they think that lies can't last forever, so people shouldn't lie.

In my opinion, sometimes it is possible to tell white lies, because it can help others, but we should not lie too much, to be a kind and honest person.

篇17:高三英语必背语法知识点梳理整合

名词性从句中的易错点

(一)that引导的定语从句与同位语从句?

定语从句与前面的的名词是修饰与被修饰的关系,“……的名词”,而同位语从句是用来说明前面名词的内容。与that从句同位的名词必须是一些表示事实或概念的抽象名词,如:

fact,news,belief,truth,reply等。

That在定语从句中必须作成分,可用which或who/whom代替,而that在同位语从句中不充当任何句子成分,只起连接作用。如:?

①Along?with?the?letter?was?his?promise?that?he?would?visit?me?this?coming?Christmas.?

②Do?you?still?remember?the?chicken?farm?that?we?visited?three?months?ago.?

解析:在句①中,that引导同位语从句解释说明promise的内容,that不充当任何句子成分,只起连接作用,而在句②中,that在其引导的定语从句中作动词visited的宾语,对先行词the?chicken?farm起修饰作用。?

(二)名词性从句中,关于it作形式主语和形式宾语的易错点?

1)?名词性从句作主语或宾语时,为保持句子平衡,常用it作形式主语或形式宾语。如:

It’s?a?pity?that?he?don’t?come?to?give?a?speech.(形式主语)

We?think?it?possible?that?you?can?finish?the?job?today.(形式宾语)??

2)谓语动词?appreciate,?dislike,?hate,?like,?love,?

make等接由if或when?引导的宾语从句时往往在从句前加上形式宾语it.?例如:

I?would?appreciate?it?if?you?could?come?to?my?birthday?party.??

3)动词hare,?take,?hide,?punish,?put等,后接由that?引导的病因从句式,往往在从句前加形式宾语it.?例如:

①?I?take?it?that?you?will?be?leaving?Shanghai?soon.?

②?we?punished?it?that?we?had?finished?the?project?ahead?of?time.??

4)短语动词answer?for,?count?on?depend?on,?insist?on,?

see?to等后接有that引导的宾语从句时,必须冠以形式宾语it.?例如:①?I’m?counting?on?it?that?you?will?come.?②?She’ll?see?to?it?that?he?goes?ahead.?注:作形式主语和形式宾语时只能用it.??

篇18:高三英语必背语法知识点梳理整合

非谓语动词——注意分清谓语与非谓语,比如:

She went to the market, bought some bananas and visited her cousin. She said, and turning away from him, walked rapidly away. Go straight ahead, and you will see a hotel in front of you.

完形填空:高考完形填空临场技法,完形填空就是在一篇语意完整的短文中有目的地制造一些空白,造成信息链的中断,让考生在理解短文的基础上,综合运用所学知识和常识,对每个题的备选项做出尽可能合理的分析、判断,从中选出正确答案或答案,使重新构建的文章主旨鲜明,文意畅达,逻辑严密。

要做好完形填空,考生须具备扎实的基础知识以及快速阅读和理解的能力,另外,良好的心理素质和思维品质也至关重要。

有些考生虽然具有一定的基础,但完形填空题的得分却总不尽如人意。他们的问题概括起来主要有以下几方面:

1. 不善于抓文章的主旨大意,并以此为中心展开对整篇文章的推理、判断,导致理解上出现偏差,甚至与文章的中心相悖。

2. 容易受定势思维的干扰,对文意分析不透,忽视特定语境中英语知识的运用。

3. 对完形填空怀有厌倦、恐惧心理,以至做完形填空时处于应付状态。

那么,怎样才能提高做完形填空的准确率呢?大家应从以下三个方面入手训练思维能力和解题技巧:抓准主旨、透析文意、理清逻辑。并在做题的过程中把这三方面与做完形填空的三大步骤“浏览、细读和验证”做到有机结合,明确每一步思维的主攻方向。

篇19:高三英语必背语法知识点梳理整合

什么是副词?

指出句中的副词:

1. You are standing near the camera.. Can you move a little farther? a little修饰副词“farther”表示程度 farther修饰动词“move”表示方式

2. Miss Long usually goes to school by bus. usually修饰动词goes,表示频度、频率

3. The two old passengers fell into the sea. Unfortunately, neither of them could swim. Unfortunately修饰整个句子

4. I won’t go with you. It’s much too hot today. much too修饰形容词,表示程度修饰形容词hot,修饰形容词

篇20:高三英语必背语法知识点梳理整合

地点状语从句

1、地点状语从句由where,wherever引导。

注意:where与where的区别:Where表特定的地点,而wherever表示非特定的地点。

Wherever=to/at any place where

2、地点状语从句与定语从句的区别

Where引导定语从句时,从句前应有一个表示地点的名词作先行词;而状语从句前则无先行词。

原因状语从句

引导词:because, since,as, now that, not that…, but that…, seeing that, considering that, in that

注意:for也可以表示原因,属并列连词,但不是说明直接原因,而是对某种情况加以推断,用于表示补充说明理由。

目的状语从句

引导词:so, so that, in order that, that, to the end that(以便,为了),in case,for fear that,lest(以免,以防),

目的状语从句中通常有情态动词can,could,may,might,should,would等。

注意:1、in case 还可表示“万一,假如”。

2、目的状语从句可以用so as to, in order to 等不定式代替,但主句和从句的主语必须一致。

结果状语从句

引导词:so...that(如此。。。以至于。。。),such...that(如此。。。以至于。。。),so that(结果是),with the result that(所以,结果是)

注意:(1)so...that与such...that的区别

So+形容词such+a/an+形容词+单数名词

So+形容词+a/an+单数名词such+形容词+复数名词

So+副词such+形容词+不可数名词

So many/few+复数名词

So much/little+不可数名词

(2)so that引导的目的状语从句与so that 引导的结果状语从句

目的状语从句一般使用情态动词,结果状语从句一般不使用情态动词;

结果状语从句常常用逗号与主句分开。

(3)so...that与so...as;such...that与such...as

So...that/such...that为结果状语从句;so...as/such...as为定语从句。

篇21:高三英语必背语法知识点梳理整合

代词

1、作表语常用宾格,在独词句中用宾格。

a.—Who is knocking at the door?——It’s me

b. He is a student in this school. And me, too.

2、it 指无生命的事物、婴儿、以及who、someone等不名身份的人。

eg: a. —Who is outside? —It is me

b. Someone has entered the house. It must be a thief

c. The baby is very lowly. It was born half a year ago.

3、反身代词可用作①宾语②表语(表示“健康”的含义)③同位语(作主语同位语,可以放在主语后面,或后置; 如果作宾语同位语,则放在宾语后面)

eg: a. Mr Black can’t express himself in Chinese. b. I am not quite myself today.

c. She herself opened the door. She opened the door herself.

d. You’d better ask Mr Smith himself about it.

4、指示代词this, that用于电话用语中。

—Who’s that (speaking)?

—It/This is Tom (speaking)?

5、this/that 修饰adj/adv. 表示“这么”“那么”的含义,相当于so 。

a. Oh, the girl is not that foolish. b. I can only promise you this much.

c. We didn’t expect that the weather in Tongren was that hot.

6、it、that、those、one、the ones的指代区别。

1)it指上文提到的同一事物或整句话的内容。

a. “Do you want the watch?”“Yes , I want it.”

b. He warned his son not to play computer games again, but it didn’t help.

2)that常用来指代同名异物的不可数名词

a. The population of China is much larger than that of any other country in the world.

b. The weather in Kaili is much better than that in shanghai.

3)those或the ones 用来指代上文提到的复数名词。

a. Watches made in China are just as good as those/ the ones made in Switzerland.

b. The books are better than those you bought yesterday.

4) one指代同名异物的某个单数名词,如果特指就用the one.

a. I want to buy a Mp3. Do you need one?

b. Here are enough apples . Each of you can get one.

c. I don’t like this dictionary. I prefer the one on the shelf.

7、both、either、neither的用法

a. Both of them are right (主语)

Both the brothers/ Both of the brothers are at college.(定语)

b. Neither of the answers is / are correct.(主语)

Neither seat is taken .(定语)

c. You can take either of the dictionaries.(宾语)

Flowers are planted on either side of the street.(定语)

篇22:高三学生冬至的作文「整合」

高三学生关于冬至的作文「整合」

【作文1:冬至吃饺子】

爷爷说冬至吃饺子时中国的传统,是要典故的。

相传南阳医圣张仲景曾在长沙为官,他告老还乡那时适是大雪纷飞的冬天,寒风刺骨。他看见南阳白河两岸的乡亲衣不遮体,有不少人的耳朵被冻烂了,心里非常难过,就叫其弟子在南阳关东搭起医棚,用羊肉、辣椒和一些驱寒药材放置锅里煮熟,捞出来剁碎,用面皮包成像耳朵的样子,再放下锅里煮熟,做成一种叫“驱寒矫耳汤”的药物施舍给百姓吃。服食后,乡亲们的耳朵都治好了。后来,每逢冬至人们便模仿做着吃,是故形成“捏冻耳朵”此种习俗。当时的“捏冻耳朵”也就是我们现在俗称的饺子啦!

老祖宗传下来的规矩,你说我能不照办吗?为了不冻耳朵,我也要下厨房包饺子喽!

至于剁肉、拌馅儿等麻烦的工序就只好麻烦老妈来帮忙了。只见妈妈快刀斩乱麻,不一会就把一大块羊肉剁成了富有粘性的肉馅儿了,我用手摸了摸,嘿!光溜溜的,捏起一点儿,还真有一种藕断丝连的感觉呢!接着还要进行第二道工序——拌馅儿。

妈妈把刚刚剁好的肉馅儿倒进一个盆子里,依次放入了盐、酱油、白糖(白糖提鲜的),十三香等调料,拿根筷子朝一个方向绞,不大一会儿,刚刚还是粉白色的肉馅儿已经是完全大变样了,而是呈茶褐色的样子,黏糊糊的,也没有刚才那么好看了,不过你若低头仔细地闻一闻,一阵诱人的香味便扑鼻而来。

马上要进行第三道工序了,也是最重要的一道工序——包饺子。我和妈妈分了工,我来擀面皮,妈妈则负责包饺子。大厨出场了,我捋捋袖子,穿上围裙,还真有一副大厨的味道呢!

我拿过一个小面团,在案板上使劲儿压了压,压出了一个不规则图形,再拿擀面杖在面皮上滚动,有好几次都粘到了擀面杖上,妈妈告诉我说:“这是因为你放的面粉太少了,所以导致黏在一起。”只见妈妈很快的`在面皮上撒了一点面粉,带我再次去擀的时候,果然不是很粘了,就这样,我擀的第一个面皮就这样横空出世了,虽然它并不完美,缺胳膊少腿的,但这毕竟是第一次嘛,有情可原。。。。

擀了几个面皮后,妈妈嫌我速度太慢,于是我又改行啦!摇身一变,变成了包饺子的主。我拿过一个面皮,小心翼翼的从盆子里挑了一点肉馅儿放进面皮的中央,接着是合口,不幸的是,我放馅过多,所以饺子先生的大肚皮上便多了几个小补丁,严重破相。

费时费力半个钟头,总算是包好了饺子,就剩下锅啦!水烧开后,我小心翼翼的把水饺倒进锅,只见饺子一个个如快活的小天鹅似的在锅里快活的游泳,不大一会儿,锅里泛起了白沫,饺子出锅喽!迫不及待的我不等火熄灭就迫不及待的捞了一大碗,再沾点准备好的调料,咬下一口,满口生津,真是色香味俱全啊!不然怎么说还是自己做的好吃呢?这毕竟是自己的劳动成果啊!

冬至吃饺子特别有感觉!团圆的感觉!

【作文2:有意义的冬至夜】

傍晚,我和妹妹一放学就来到了奶奶家,说好了,要与他们共同度过这温馨的一夜。爷爷、奶奶也正要出门乐呵呵地迎接我们呢!

该吃晚饭了,奶奶端上了白切羊肉、红烧排骨,热气腾腾的香菇鸡汤全是我们爱吃的菜 ,奶奶说:“有句老话说啊,冬至夜,‘有铜钱人吃一夜;呒铜钱人冻一夜’旧社会中有多少人家,在这个时候穷人都只有挨冻的份啊!”

奶奶在与我们忆苦思甜呢。

是啊,爷爷接着说:“现在时代不同了,孩子们多幸福啊!你们知不知道有关冬至的来历呢?” 晚饭后爷爷给我们讲了“冬至馄饨夏至面”的说法。

相传汉朝时,北方匈奴经常骚扰边疆,百姓不得安宁。当时匈奴部落中有浑氏和屯氏两个首领,十分凶残。百姓对其恨之入骨,于是用肉馅包成角儿,取“浑”与“屯”之音,呼作“馄饨”。恨以食之,并求平息战乱,能过上太平日子。因最初制成馄饨是在冬至这一天,在冬至这天家家户户吃馄饨。以后就作为一个传统节日来过了,有冬至宰羊,吃饺子、吃馄饨的习俗,南方地区在这一天则有吃冬至米团籽习俗。

怪不到早上我们吃的就是奶奶从穆桂英美食店买回的糯米团籽啊!

同时,爷爷说道:“冬至也是一个节气,太阳的照射有过了冬,长一葱;过了年,长块田之说。每年冬至节也告诉我们气候都要进入一个最寒冷的阶段,交冬数九就是从冬至开始。

有农彦说:“一九二九不出手;三九四九冰上走; 五九六九沿河看柳;七九河开八九雁来;九九加一九,耕牛遍地走。”

冬至,是我国农历中一个非常重要的节气,也是一个传统节日。过了冬至,白天就会一天天变长,过了今晚明天就是冬至节了,太阳离我们越来越近了,春天也就离我们不远了———,冬至节前我们渡过了一个有意义的冬至夜!

篇23:高三数学复习知识点整合

(一)第一数学归纳法

一般地,证明一个与正整数n有关的命题,有如下步骤

(1)证明当n取第一个值时命题成立,对于一般数列取值为1,但也有特殊情况,

(2)假设当n=k(k≥[n的第一个值],k为自然数)时命题成立,证明当n=k+1时命题也成立。

(二)第二数学归纳法

对于某个与自然数有关的命题,

(1)验证n=n0时P(n)成立,

(2)假设no

综合(1)(2)对一切自然数n(>n0),命题P(n)都成立,

(三)螺旋式数学归纳法

P(n),Q(n)为两个与自然数有关的命题,

假如(1)P(n0)成立,

(2)假设P(k)(k>n0)成立,能推出Q(k)成立,假设Q(k)成立,能推出P(k+1)成立,综合(1)(2),对于一切自然数n(>n0),P(n),Q(n)都成立,

(四)倒推数学归纳法(又名反向数学归纳法)

(1)对于无穷多个自然数命题P(n)成立,

(2)假设P(k+1)成立,并在此基础上推出P(k)成立,

综合(1)(2),对一切自然数n(>n0),命题P(n)都成立,

总而言之:归纳法是由一系列有限的特殊事例得出一般结论的推理方法。归纳法分为完全归纳法和不完全归纳法完全归纳法:数学归纳法就是一种不完全归纳法,在数学中有着重要的地位!

篇24:高三数学重点知识点整合

第一部分集合

(1)含n个元素的集合的子集数为2^n,真子集数为2^n—1;非空真子集的数为2^n—2;

(2)注意:讨论的时候不要遗忘了的情况。

第二部分函数与导数

1、映射:注意①第一个集合中的元素必须有象;②一对一,或多对一。

2、函数值域的求法:①分析法;②配方法;③判别式法;④利用函数单调性;⑤换元法;⑥利用均值不等式;⑦利用数形结合或几何意义(斜率、距离、绝对值的意义等);⑧利用函数有界性(、、等);⑨导数法

3、复合函数的有关问题

(1)复合函数定义域求法:

①若f(x)的定义域为〔a,b〕,则复合函数f[g(x)]的定义域由不等式a≤g(x)≤b解出

②若f[g(x)]的定义域为[a,b],求f(x)的定义域,相当于x∈[a,b]时,求g(x)的值域。

(2)复合函数单调性的判定:

①首先将原函数分解为基本函数:内函数与外函数;

②分别研究内、外函数在各自定义域内的单调性;

③根据“同性则增,异性则减”来判断原函数在其定义域内的单调性。

注意:外函数的定义域是内函数的值域。

4、分段函数:值域(最值)、单调性、图象等问题,先分段解决,再下结论。

5、函数的奇偶性

⑴函数的定义域关于原点对称是函数具有奇偶性的必要条件;

⑵是奇函数;

⑶是偶函数;

⑷奇函数在原点有定义,则;

⑸在关于原点对称的单调区间内:奇函数有相同的单调性,偶函数有相反的单调性;

(6)若所给函数的解析式较为复杂,应先等价变形,再判断其奇偶性;

1、对于函数f(x),如果对于定义域内任意一个x,都有f(—x)=—f(x),那么f(x)为奇函数;

2、对于函数f(x),如果对于定义域内任意一个x,都有f(—x)=f(x),那么f(x)为偶函数;

3、一般地,对于函数y=f(x),定义域内每一个自变量x,都有f(a+x)=2b—f(a—x),则y=f(x)的图象关于点(a,b)成中心对称;

4、一般地,对于函数y=f(x),定义域内每一个自变量x都有f(a+x)=f(a—x),则它的图象关于x=a成轴对称。

5、函数是奇函数或是偶函数称为函数的奇偶性,函数的奇偶性是函数的整体性质;

6、由函数奇偶性定义可知,函数具有奇偶性的一个必要条件是,对于定义域内的任意一个x,则—x也一定是定义域内的一个自变量(即定义域关于原点对称)。

高三数学必修一知识点摘要

1.“包含”关系—子集

注意:有两种可能(1)A是B的一部分,;(2)A与B是同一集合。

反之:集合A不包含于集合B,或集合B不包含集合A,记作AB或BA

2.“相等”关系:A=B(5≥5,且5≤5,则5=5)

实例:设A={x|x2-1=0}B={-1,1}“元素相同则两集合相等”

即:①任何一个集合是它本身的子集。A(A

②真子集:如果A(B,且A(B那就说集合A是集合B的真子集,记作AB(或BA)

③如果A(B,B(C,那么A(C

④如果A(B同时B(A那么A=B

3.不含任何元素的集合叫做空集,记为Φ

规定:空集是任何集合的子集,空集是任何非空集合的真子集。

有n个元素的集合,含有2n个子集,2n-1个真子集

篇25:高三生物复习知识点精选整合

病毒的化学成分为:DNA和蛋白质或RNA和蛋白质

一、真核细胞的结构和功能

(一)细胞壁植物细胞在细胞膜的外面有一层细胞壁,其主要成分为纤维素和果胶,可用纤维素酶和果胶酶来除去。细胞壁作用为支持和保护。

(二)细胞膜

对细胞膜进行化学分析得知,细胞膜主要由脂质(磷脂)分子和蛋白质分子构成,其中脂质最多,约占50%;此外,还有少量的糖类。在组成细胞膜的脂质中,磷脂最丰富。细胞膜的功能是将细胞与外界环境分隔开、控制物质进出细胞、进行细胞间的信息交流

(三)细胞质

在细胞膜以内,核膜以外的部分叫细胞质。活细胞的细胞质处于不断流动的状态,`细胞质主要包括细胞质基质和细胞器。

1、细胞质基质

细胞质基质含有水、无机盐、脂质、糖类、氨基酸、核苷酸、多种酶,在细胞质中进行着多种化学反应。

2、细胞器

(1)线粒体

线粒体广泛存在于细胞质基质中,它是有氧呼吸主要场所,被喻为“动力车间”。

光镜下线粒体为椭球形,电镜下观察,它是由双层膜构成的。外膜使它与周围的细胞质基质分开,内膜的某些部位向内折叠形成嵴,这种结构使线粒体内的膜面积增加。在线粒体内有许多种与有氧呼吸有关的酶,还含有少量的DNA。

(2)叶绿体

叶绿体是植物、叶肉、细胞特有的细胞器。叶绿体是绿色植物的光合作用细胞中,进行的细胞器,被称为“养料制造车间”和“能量转换站”。在电镜下可以看到叶绿体外面有双层膜,内部含有几个到几十个由囊状的结构堆叠成的基粒,其间充满了基质。这些囊状结构被称为类囊体,其上含有叶绿素。

(3)内质网

内质网是由单层膜连接而成的网状结构,大大增加了细胞内的膜面积,内质网与细胞内蛋白质合成和加工有关,也是脂质合成的“车间”。

(4)核糖体

细胞中的核糖体是颗粒状小体,它除了一部分附着在内质网上之外,还有一部分游离在细胞质中。核糖体是细胞内合成蛋白质的场所,被称为“生产蛋白质的机器”。

(5)高尔基体

高尔基体本身不能合成蛋白质,但可以对蛋白质进行加工分类和包装,植物细胞分裂过程中,高尔基体与细胞壁的形成有关。

(6)液泡

成熟的植物细胞都有液泡。液泡内有细胞液,其中含有糖类、无机盐、色素、蛋白质等物质,它对细胞内的环境起着调节作用,可以使细胞保持一定的形状,保持膨胀状态。

(7)中心体

动物细胞和低等植物细胞中有中心体,每个中心体由两个互相垂直排列的中心粒,及其周围物质组成。动物细胞的中心体与有丝分裂有关。

(8)溶酶体

溶酶体是细胞内具有单层膜结构的细胞器,它含有多种水解酶,能分解多种物质。

篇26:高三生物知识点梳理整合

名词:

1、光合作用:发生范围(绿色植物)、场所(叶绿体)、能量来源(光能)、原料(二氧化碳和水)、产物(储存能量的有机物和氧气)。

语句:

1、光合作用的发现:

①1771年英国科学家普里斯特利发现,将点燃的蜡烛与绿色植物一起放在密闭的玻璃罩内,蜡烛不容易熄灭;将小鼠与绿色植物一起放在玻璃罩内,小鼠不容易窒息而死,证明:植物可以更新空气。

②1864年,德国科学家把绿叶放在暗处理的绿色叶片一半暴光,另一半遮光。过一段时间后,用碘蒸气处理叶片,发现遮光的那一半叶片没有发生颜色变化,曝光的那一半叶片则呈深蓝色。证明:绿色叶片在光合作用中产生了淀粉。

③1880年,德国科学家思吉尔曼用水绵进行光合作用的实验。证明:叶绿体是绿色植物进行光合作用的场所,氧是叶绿体释放出来的。

④20世纪30年代美国科学家鲁宾卡门采用同位素标记法研究了光合作用。第一组相植物提供H218O和CO2,释放的是18O2;第二组提供H2O和C18O,释放的是O2。光合作用释放的氧全部来自来水。

2、叶绿体的色素:

①分布:基粒片层结构的薄膜上。

②色素的种类:高等植物叶绿体含有以下四种色素。A、叶绿素主要吸收红光和蓝紫光,包括叶绿素a(蓝绿色)和叶绿素b(;B、类胡萝卜素主要吸收蓝紫光,包括胡萝卜素和叶素

3、叶绿体的酶:分布在叶绿体基粒片层膜上(光反应阶段的酶)和叶绿体的基质中(暗反应阶段的酶)。

4、光合作用的过程:

①光反应阶段a、水的光解:2H2O→4[H]+O2(为暗反应提供氢)b、ATP的形成:ADP+Pi+光能—→ATP(为暗反应提供能量)

②暗反应阶段:a、CO2的固定:CO2+C5→2C3b、C3化合物的还原:2C3+[H]+ATP→(CH2O)+C5

5、光反应与暗反应的区别与联系:

①场所:光反应在叶绿体基粒片层膜上,暗反应在叶绿体的基质中。

②条件:光反应需要光、叶绿素等色素、酶,暗反应需要许多有关的酶。

③物质变化:光反应发生水的光解和ATP的形成,暗反应发生CO2的固定和C3化合物的还原。

④能量变化:光反应中光能→ATP中活跃的化学能,在暗反应中ATP中活跃的化学能→CH2O中稳定的化学能。⑤联系:光反应产物[H]是暗反应中CO2的还原剂,ATP为暗反应的进行提供了能量,暗反应产生的ADP和Pi为光反应形成ATP提供了原料。

6、光合作用的意义:

①提供了物质来源和能量来源。

②维持大气中氧和二氧化碳含量的相对稳定。

③对生物的进化具有重要作用。总之,光合作用是生物界最基本的物质代谢和能量代谢。

7、影响光合作用的因素:有光照(包括光照的强度、光照的时间长短)、二氧化碳浓度、温度(主要影响酶的作用)和水等。这些因素中任何一种的改变都将影响光合作用过程。如:在大棚蔬菜等植物栽种过程中,可采用白天适当提高温度、夜间适当降低温度(减少唿吸作用消耗有机物)的方法,来提高作物的产量。再如,二氧化碳是光合作用不可缺少的原料,在一定范围内提高二氧化碳浓度,有利于增加光合作用的产物。当低温时暗反应中(CH2O)的产量会减少,主要由于低温会抑制酶的活性;适当提高温度能提高暗反应中(CH2O)的产量,主要由于提高了暗反应中酶的活性。

8、光合作用过程可以分为两个阶段,即光反应和暗反应。前者的进行必须在光下才能进行,并随着光照强度的增加而增强,后者有光、无光都可以进行。暗反应需要光反应提供能量和[H],在较弱光照下生长的植物,其光反应进行较慢,故当提高二氧化碳浓度时,光合作用速率并没有随之增加。光照增强,蒸腾作用随之增加,从而避免叶片的灼伤,但炎热夏天的中午光照过强时,为了防止植物体内水分过度散失,通过植物进行适应性的调节,气孔关闭。虽然光反应产生了足够的ATP和〔H〕,但是气孔关闭,CO2进入叶肉细胞叶绿体中的分子数减少,影响了暗反应中葡萄糖的产生。

9、在光合作用中:a、由强光变成弱光时,[产生的H]、ATP数量减少,此时C3还原过程减弱,而CO2仍在短时间内被一定程度的固定,因而C3含量上升,C5含量下降,(CH2O)的合成率也降低。b、CO2浓度降低时,CO2固定减弱,因而产生的C3数量减少,C5的消耗量降低,而细胞的C3仍被还原,同时再生,因而此时,C3含量降低,C5含量上升。

篇27:高三生物复习知识点精选整合

有氧呼吸与无氧呼吸的区别和联系

①场所:有氧呼吸第一阶段在细胞质的基质中,第二、三阶段在线粒体

②O2和酶:有氧呼吸第一、二阶段不需O2,;第三阶段:需O2,第一、二、三阶段需不同酶;无氧呼吸--不需O2,需不同酶。

③氧化分解:有氧呼吸--彻底,无氧呼吸--不彻底。

④能量释放:有氧呼吸(释放大量能量38ATP)---1mol葡萄糖彻底氧化分解,共释放出2870kJ的能量,其中有1161kJ左右的能量储存在ATP中;无氧呼吸(释放少量能量2ATP)--1mol葡萄糖分解成乳酸共放出196.65kJ能量,其中61.08kJ储存在ATP中。⑤有氧呼吸和无氧呼吸的第一阶段相同。

呼吸作用的意义

为生物的生命活动提供能量。为其它化合物合成提供原料。

关于呼吸作用的计算规律

①消耗等量的葡萄糖时,无氧呼吸与有氧呼吸产生的二氧化碳物质的量之比为1:3

②产生同样数量的ATP时无氧呼吸与有氧呼吸的葡萄糖物质的量之比为19:1。如果某生物产生二氧化碳和消耗的氧气量相等,则该生物只进行有氧呼吸;如果某生物不消耗氧气,只产生二氧化碳,则只进行无氧呼吸;如果某生物释放的二氧化碳量比吸收的氧气量多,则两种呼吸都进行。

呼吸作用产生ATP的生理过程

有氧呼吸、光反应、无氧呼吸(暗反应不能产生)。在绿色植物的叶肉细胞内,形成ATP的场所是:细胞质基质(无氧呼吸)、叶绿体基粒(光反应)、线粒体(有氧呼吸的主要场所)

篇28:高三生物复习知识点精选整合

1.人工诱导多倍体最有效的方法:用秋水仙素来处理,萌发的种子或幼苗。

2.单倍体是指:体细胞中含本物种配子染色体数目的个体。单倍体特点:植株弱小,而且高度不育。

单倍体育种过程:杂种F1单倍体纯合子。

单倍体育种优点:明显缩短育种年限。

3.现代生物进化理论基本观点:种群是生物进化的基本单位,生物进化的实质是种群基因频率的改变。突变和基因重组,自然选择及隔离是物种形成过程的三个基本环节,通过它们的综合作用,种群产生分化,最终导致新物种形成。在这个过程中,突变和基因重组产生生物进化的原材料,自然选择使种群的基因频率定向改变并决定生物进化的方向,隔离是新物种形成的必要条件。

4.物种是:指分布在一定的自然区域,具有一定形态结构和生理功能,而且在自然状态下能相互交配和繁殖,并能够产生可育后代的一群生物个体。

5.达尔文自然选择学说意义:能科学地解释生物进化的原因,生物多样性和适应性。

局限:不能解释遗传变异的本质及自然选择对可遗传变异的作用。

6.基因重组只发生在减数_程和基因工程中,(三倍体,病毒,细菌等不能基因重组。)

7.细胞生物的遗传物质就是DNA,有DNA就有RNA,有5种碱基,8种核苷酸。

8.双缩尿试剂不能检测蛋白酶活性,因为蛋白酶本身也是蛋白质。

9.高血糖症,不等于糖尿病,高血糖症尿液中不含葡萄糖,只能验血,不能用本尼迪特试剂检验,因为血液是红色的。

10.洋葱表皮细胞不能进行有丝_必须是连续_细胞才有细胞周期。

11.细胞克隆,就是细胞培养,利用细胞增值的原理。

12.细胞板不等于赤道板,细胞板是植物细胞_期由高尔基体形成,赤道板不是细胞结构。

13.激素调节是体液调节的主要部分,CO2刺激呼吸中枢使呼吸加快属于体液调节。

9.注射血清治疗患者不属于二次免疫,(抗原加记忆细胞才是),血清中的抗体是多种抗体的混合物。

10.刺激肌肉会收缩,不属于反射,反射必须经过完整的反射弧(这个点昨天一摸理综就考了),判断兴奋传导方向有突触或神经节。

篇29:高三生物复习知识点精选整合

吞噬细胞(即白细胞):

来源:造血干细胞。

功能:处理抗原,呈递给T细胞。吞噬“抗原—抗体”结合体,消化消灭抗原。

拜尔(A.P高中生物必修三知识点l)实验是怎样做的?证明了什么?(P-47图3-3)

⑴、切去胚芽鞘的尖端,再侧放在切去尖端的胚芽鞘上;黑暗中,胚芽鞘朝向侧放尖端的对侧弯曲。

⑵、证明:胚芽鞘的弯曲生长是因为尖端产生的刺激在其下部分布不均匀造成的。

荷兰科学家(F.W.Went)在试验中有什么发现?他的试验证明了什么?

⑴、1928年温特试验及发现:(P-47图3-4)

①、切取胚芽鞘尖端,置于琼脂块上数小时后,移走胚芽鞘尖端,将琼脂切成小快。②、把接触过胚芽鞘尖端的琼脂小快放置在切去尖端的胚芽鞘的一侧。

发现:胚芽鞘朝向放置琼脂小块的对侧弯曲。

③、对照:把未接触过胚芽鞘尖端的琼脂小快放置在切去尖端的胚芽鞘的一侧。发现:胚芽鞘不弯曲。

⑵、温特试验结论:

①、胚芽鞘尖端确实产生某种物质。②、该物质能从胚芽鞘尖端运输到尖端下部。③、该物质能引起尖端下部某些部分生长。

浆细胞:

来源:B细胞或记忆B细胞。

功能:分泌抗体。

记忆细胞:

来源:记忆B细胞来源于B细胞的增殖分化。记忆T细胞来源于T细胞的增殖分化。功能:识别抗原,增殖分化成相应的效应细胞。

篇30:高三数学基础知识点整合

1、三类角的求法:

①找出或作出有关的角。

②证明其符合定义,并指出所求作的角。

③计算大小(解直角三角形,或用余弦定理)。

2、正棱柱——底面为正多边形的直棱柱

正棱锥——底面是正多边形,顶点在底面的射影是底面的中心。

正棱锥的计算集中在四个直角三角形中:

3、怎样判断直线l与圆C的位置关系?

圆心到直线的距离与圆的半径比较。

直线与圆相交时,注意利用圆的“垂径定理”。

4、对线性规划问题:

作出可行域,作出以目标函数为截距的直线,在可行域内平移直线,求出目标函数的'最值。

培养兴趣是关键。学生对数学产生了兴趣,自然有动力去钻研。如何培养兴趣呢?

(1)欣赏数学的美感

比如几何图形中的对称、变换前后的不变量、概念的严谨、逻辑的严密……

通过对旋转变换及其不变量的讨论,我们可以证明反比例函数、“对勾函数”的图象都是双曲线——平面上到两个定点的距离之差的绝对值为定值(小于两个定点之间的距离)的点的集合。

(2)注意到数学在实际生活中的应用。

例如和日常生活息息相关的等额本金、等额本息两种不同的还款方式,用数列的知识就可以理解、学好数学,是现代公民的基本素养之一啊

(3)采用灵活的教学手段,与时俱进。

利用多种技术手段,声、光、电多管齐下,老师可以借此把一些知识讲得更具体形象,学生也更容易接受,理解更深。

(4)适当看一些科普类的书籍和文章。

比如:学圆锥曲线的时候,可以看看一些建筑物的外形,它们被平面所截出的曲线往往就是各种圆锥曲线,很多文章对此都有介绍;还有圆锥曲线光学性质的应用,这方面的文章也不少。

高三数学重要知识点总结

轨迹,包含两个方面的问题:凡在轨迹上的点都符合给定的条件,这叫做轨迹的纯粹性(也叫做必要性);凡不在轨迹上的点都不符合给定的条件,也就是符合给定条件的点必在轨迹上,这叫做轨迹的完备性(也叫做充分性)。

一、求动点的轨迹方程的基本步骤。

1.建立适当的坐标系,设出动点M的坐标;

2.写出点M的集合;

3.列出方程=0;

4.化简方程为最简形式;

5.检验。

二、求动点的轨迹方程的常用方法:求轨迹方程的方法有多种,常用的有直译法、定义法、相关点法、参数法和交轨法等。

1.直译法:直接将条件翻译成等式,整理化简后即得动点的轨迹方程,这种求轨迹方程的方法通常叫做直译法。

2.定义法:如果能够确定动点的轨迹满足某种已知曲线的定义,则可利用曲线的定义写出方程,这种求轨迹方程的方法叫做定义法。

3.相关点法:用动点Q的坐标x,y表示相关点P的坐标x0、y0,然后代入点P的坐标(x0,y0)所满足的曲线方程,整理化简便得到动点Q轨迹方程,这种求轨迹方程的方法叫做相关点法。

4.参数法:当动点坐标x、y之间的直接关系难以找到时,往往先寻找x、y与某一变数t的关系,得再消去参变数t,得到方程,即为动点的轨迹方程,这种求轨迹方程的方法叫做参数法。

5.交轨法:将两动曲线方程中的参数消去,得到不含参数的方程,即为两动曲线交点的轨迹方程,这种求轨迹方程的方法叫做交轨法。

求动点轨迹方程的一般步骤:

①建系——建立适当的坐标系;

②设点——设轨迹上的任一点P(x,y);

③列式——列出动点p所满足的关系式;

④代换——依条件的特点,选用距离公式、斜率公式等将其转化为关于X,Y的方程式,并化简;

⑤证明——证明所求方程即为符合条件的动点轨迹方程。

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