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- 目录
篇1：小升初英语练习题及答案详解
一、根据汉语写单词
1. This kind of paper feel (柔软的).
2. He never paid any (注意) to what others say.
3. Teenagers will have chances of (实现) their dreams.
4. The books on that (架子) are mine.
5. Don’t (担忧), I can help you.
二、阅读理解
Miss Wu is a young teacher of English in China. She loves teaching very much. One day when she was giving an English lesson, she found the headmaster sitting at the back of the classroom. After class, the headmaster told her that he came to her class to find out how much English and how much Chinese she was using. The result was about half English and half Chinese. She was using Chinese when she gave instructions to her students and when she wanted to get feedback (反馈) from her students. The headmaster told her that she should use more English in her class.
Miss Wu made a plan like this:
?talk with an Englishman every Sunday for two hours to learn more English expressions;
?write some English expressions on cards. These cards not only remind her to use English in class, but also help her remember some expressions;
?have a five-minute talk in English with students before class.
She used body language to help her if students could not understand.
One year later, she found she could use English freely in class.
1. Miss Wu .
A. has a poor memory B. is a teacher of Chinese
C. loves her job D. is angry with the headmaster
2. The headmaster came to Miss Wu’s class to .
A. write some English expressions on cards
B. help her improve her English teaching
C. give instructions to the students
D. get feedback from the students
3. After the headmaster left, Miss Wu realized that she should in her class.
A. use more Chinese B. use more English
C. use half English and half Chinese D. use body language
4. What does the underlined word “remind” mean?
A. 提醒 B. 阻止 C. 宽恕 D. 依赖
5. What is the main idea of this passage?
A. Use cards in English teaching B. Talk with English-speaking people
C. Speak more English in English class D. Learn more English expressions
一、根据汉语写单词
1. soft 2. attention 3. achieving 4. shelves 5. worry
二、阅读理解
CBBAC
1. 见上
2.校长进来，是说老师英语用得少，当然是让老师提高英语教学了
3.见上
4.卡片可以提醒老师说英语
5.见上5. Not more than
篇2：小升初英语练习题及答案
关于小升初英语练习题及答案
一、找出画线部分读音与其他三个不同的单词。(10分)
1. A. teacher B. certainly C. sister D. brother
2. A. earth B. near C. hear D. ear
3. A. bowl B. snow C. now D. yellow
4. A. page B. dog C. pig D. big
5. A. think B. third C. those D. thank
6. A. game B. table C. get D. rain
7. A. on B. office C. orange D. open
8. A. ruler B. mum C. shut D. colour
9. A. feet B. meat C. seven D. peach
10. A. right B. ghost C. light D. night
二、补一个同类词。(5分)
1. morning, evening, _____________
2. beer, coffee, ________________
3. post, office, shop, ___________
4. thin, fat, _____________
5. cool, cold, __________________
三、根据汉语要求选择正确的英语句子。(10分)
1. Bob相约Tom去公园，应该怎么说?
A. Can I go to the park? B. Shall we go to the park?
2. Lily，这是我的朋友。
A. Lily, this is my friend. B. Lily, this friend is my.
3. 当别人邀请你一起去郊游时，你说：太好了!
篇3：小升初英语天天练习题及答案
小升初英语天天练习题及答案
一、单项选择
1. The bus tickets are much _____ than before.
A.cheap B.cheaper C.cheapest D.the cheapest
2. “Look, it ____ be Lao Wang.”
“No, it ____ be him. He has gone abroad.”
A.may; mustn’t B.must; may not
C.must; can’t D.can; may not
3. ____ role she played in the film!
A. How interesting B.How an interesting
C.What interesting D. What an interesting
4. Is this the shop ____ sells children’s clothing?
A.which B.where
C.in which D.from which
5. This book is ____ for a seven-year-old child to read.
A. too much difficult B.too more difficult
C.much too difficult D.more too difficult
二、阅读理解
Mr. Ma, a famous mental (精神的) doctor from Beijing once said at an important meeting, “Now many young students can have problems with their minds (思想). Some students become worried because they have to study very hard. Others have trouble getting on well with people around them, like their parents and classmates. Parents and teachers should care more about this problem.”
Then Mr. Ma gave some examples. A middle school student from Xi’an was doing badly in his lessons. He thought his teachers and friends often laughed at him, and he became so nervous and worried that one night he left his home without telling his parents. Another student, a 14-year-old schoolgirl from Shanghai, was very afraid of exams. While she was reading the exam paper, she couldn’t think of anything to write.
A recent report says about 18% of the young students in Shanghai have mental problems. They often feel worried and very unhappy. But many of them won’t go and ask for help. Some think they will look stupid if they go to see a doctor. Others won’t talk about their secrets.
At the end of the meeting, Mr. Ma gave some good ideas to young people:
◆ Talk to your parents or teacher often.
◆ Take part in group activities.
◆ Tee to get on well with the people around you.
◆ Go to see a doctor if you often feel unhappy.
41. The students may have _____ if they often become worried or have trouble getting
on with others.
A. no parents
B. no secrets
C. no memories
D. mental problems
42. The schoolgirl’s problem happened when she _____.
A. studied hard
B. had exams
C. talked with her parents
D. went to see a doctor
43. Some of those with mental problems won’t ask for help because _____.
A. they don’t want to tell their secrets to others
B. their parents are too busy to look after them
C. doctors can’t help them with the problems
D. they can do with problems themselves
44. The underlined word “stupid” means _____.
A. pretty
B. happy
C. not clever
D. not friendly
45. According to (根据) the last part, which of the following is a good idea?
_____ .
A. It’s important for children to live with their parents.
B. It’s helpful for people to see doctors every day.
C. It’s useful for students to keep quiet in class.
D. It’s necessary for young people to have group activities.
答案及详细解析
一、单项选择
1. B 解析：从后文的.than可以看出，本题应该选择比较级。
2. C 解析：本题考查情态动词表推测的用法。Must表示比较肯定的推测，在否定句中，表示推测常见的有can’t和may not.本题中从答句的后半句可以看出，应该是不可能是他，用can’t.
3. D 解析：本题考查感叹句用法，做法，把主语谓语去掉，剩名词，应该用what加上role是可数名词，应该加上不定冠词an.
4. A 解析：本题考查定语从句关系代词用法，本题选择的关系代词代物在从句中做主语，只能用which.
5. C 解析：本题考查too...to用法，意思是太...而不能...，much修饰的是too.如果是too much的话意思是太多。
二、阅读理解
1. D 解析：本题从第二行可以得到答案。
2. B 解析：本题从第二段第三行可以得到答案。
3. A 解析：本题从第三段最后一行可以得到答案。
4. C 解析：stupid是愚蠢的意思，也可以通过上下文推测得出答案。
5. D 解析：从建议的第二条可以得到答案。
篇4：小升初英语的练习题及答案
关于小升初英语的练习题及答案
一、单选
1. --- What can I do for you?
--- I want orange blouse for my daughter.
A. an B. the C. a D./(不填)
2. --- It’ s a secret between us. Don’t tell anybody.
--- Sure, .
A. I won’t B. I will C. I don’t D. I do
3. --- is your maths teacher?
--- The one in red.
A. What B. Where C. Which D. How
4. ---Your Chinese is so good!
--- But your English is better. So you can teach me English and I can teach you Chinese.
--- .
A. What a pity! B. That’ s a deal!
C. The same to you! D. I’ m sorry to hear that.
5. --- Must I finish my composition right now?
--- No, you . You can hand it in tomorrow.
A. can’t B. mustn’t C. may not D. needn’t
6. --- Which is , the sun, the moon or the earth?
--- Of course the sun is.
A. smaller B. the smallest C. bigger D. the biggest
7. --- Where is David?
--- I think he Australia.
A. has gone to B. has been C. has gone D. has been to
8. --- Can you tell me ?
--- I think it’s his.
A. where he lives B. where does he live
C. whose the dictionary is D. how old he is
9. --- I hear a new film is on these days. Shall we go to the cinema together, Lucy and Lily?
--- Lily I will go with you because one of us must be at home to help our father in the garden.
A. Either; nor B. Either; or C. Neither; nor D. Both; and
10. --- Would you like to go out for a walk with us?
--- , but I must write a letter to my pen friend now.
A. Of course not B. That’s all right C. I’ d love to D. Yes, I do
二、根据句意填单词
1. There are no c________ in the sky. Its a fine day.
2. After dinner Dad called the waiter and paid the b________.
3. Most students can go to college for further e________ in our city.
4. You should read the i________ carefully before taking the medicine.
5. The boy tried to f________ his broken bike himself.
一、单选
AACBD DACBC
1.元音音标开头 用an
2.我不会告诉别人 I won't tell anybody 简写 I won't
3.哪一个是你的'老师 which
4.B 就这么定了 （因为A 说的内容，B很同意）
5.must 提问。Needn't回答 不，你不必了
6.三者比较，最高级， 太阳一定是 最大的
7.have gone to 去了，还没回来 have been to 去了，回来了
8.回答是他的。那就应该问，是谁的
9.有一个人要待在家里，只能去一个人。二者选其一，either。。。Or。。。
10.我想去，但……
二、根据句意填单词
1.clouds
2.bill
3.education
4.instructions
5.fix
篇5：小升初英语练习题及答案-解析
小升初英语练习题及答案-解析
一、单项选择
1. The twin brothers look __________, but they are in different __________.
A. the same; class B. same; classes
C. different; class D. the same; classes
2--- __________ Mr. Wang have lunch at school yesterday?
---Yes. He often __________ lunch at school.
A. Does; have B. Do; have C. Does; has D. Did; has
3. I’m 13 years old and Tony is 14. So __________.
A. he’s younger than me B. I’m older than him
C. he’s one year older than me D. I’m as old as him
4. __________ Mary’s mother, this woman or that woman?
A. Who B. Who’s C. Whose D. What’s
5. Shall we go to the music room? I want __________ the piano.
A. play B. see C. to buy D. to play
二、阅读理解
For several years, Americans have enjoyed teleshopping watching TV and buying things by phone. Now teleshopping is starting in Europe. In a number of European countries, people can turn on their TVs and shop for clothes, jewelry, food, toys, and many other things.
Teleshopping is becoming popular in Sweden, for example. The biggest Swedish company sells different kinds of things on TV in 15 European countries, and in one year it made ＄100 million. In France there are two teleshopping channels, and the French spend about ＄20 million a year to buy things through those channels.
In Germany, until last year teleshopping was only possible on one channel for 1 hour every day. Then the government allowed more telepshopping. Other channels can open for telebusiness, including the largest American teleshopping company and a 24－hour teleshopping company. German businesses are hoping this new teleshopping will help them sell more things.
Some people like teleshopping because it allows them to do their shopping without leaving thei***omes. With all the problems of traffic in the cities, this is an important reason. But at the same time, other Europeans do not like this new way of shopping. They call teleshopping “junk(垃圾)on the air”. Many Europeans usually worry about the quality of the things for sale on TV. Good quality is important to them, and they believe they cannot be sure about the quailty of the things on TV.
The need fo***igh quality means that European teleshopping companies will have to be different from the American companies. They will have to be more careful about the quality of the things they sell. They will also have to work harder to sell things that the buyers cannot touch or see in person.
1. Teleshopping is_____ in Europe.
A.not popular B.growing
C.not possible D.cheap
2. People like teleshopping because it is_____.
A. American B. cheaper
C. easier D. more popular
3. Some Europeans don‘t like teleshopping because they_____ .
A.don't like to buy things
B.don‘t watch TV
C.believe the things sold on TV are expensive
D.think the things sold on TV are bad quality
4. In Germany, teleshopping may_____ .
A.help businessmen get more money
B.keep the shops open longer
C.have fewer buyers
D.bring better TV programmes
5. The best title of this passage is_____ .
A. American Teleshopping
B.Teleshopping Companies
C.Teleshopping in Europe
D.Teleshopping — Junk on the Air
答案：
一、单项选择
1. D 解析：look the same是看起来一样的意思。但是他们在不同的班级，所以不止一个班级，应该用复数。
2.D 解析：第一句中的Yesterday标志应该用一般过去时，第二句中的often标志要用一般将来时。
3. C 解析：C选项的.意思是他比我年长一岁。
4.B 解析： who's是who is的缩写，表示谁是。。。
5. D 解析：want to do sth表示想要做某事。且句中说的是music room，音乐室应该是弹琴而不是买钢琴。
二、阅读理解
1. B 解析：从第二段第一句可以看出，teleshopping正在变流行，所以应该是growing，正在成长。
2. C 解析：从第四段第一行可以看出答案，喜欢电视购物是因为可以不出门就买到东西，比较方便。。
3. D 解析：从第四段第四行可以看出，人们担心电视上卖的商品的质量。、
4. A 解析：从第三段最后一行可以得出答案。
5. C 解析：本文先讲到电视购物在美国流行了很久，然后介绍了其在欧洲的发展。包括在各国的发展情况以及顾客的担心等。
篇6：小升初英语练习题及答案解析
小升初英语练习题及答案解析二
一、用所给词的适当形式填空
1. --- __________ (not smoke) here.
--- I’m sorry.
---Can you see a sign on the wall? It means “No __________ (smoke)”.
2. Their father __________ (swim) very fast. Look, he __________ (swim) in the sports hall now.
3.---Where’s my camera?
---It __________ (is) on the table a moment ago.
4.__________ (do) Nancy’s brothers usually get up at six?
5. There are a lot of books. Please put __________ (they) into the library.
6. ---What can I do for you?
---I want to have two __________ (glass) of milk.
7. Hearing the __________ (excite) news, the students are getting __________ (excite).
二、阅读理解
In 1834, the clock tower in London was burned down. People planned to buil d a new clock which would be the biggest and the best in the world. So the clock had to be big and keep very good time. Several years later the tower was finished. The people put the big clock in the tower, and made it ring out for the first time on July 11, 1859.
In order to give the big clock a good name, people held a meeting. Someone wanted to call it the Queen of Bells , and someone thought Victoria was good . At last, a man named Benjamin Hall stood up. He was a big man. Before he started to speak, someone shouted, “Why not call it Big Ben?” Everybody laughed and agreed with him.
From then on, Big Ben became its name. And it also became a famous building of London. People all over the world write to Big Ben. They even send bottles of oil to help keep Big Ben running. Big Ben is not only a clock but also a dear friend of people.
( ) 46. Big Ben’s birthday is __________.
A. July 11, 1854 B. July 11, 1834
C. July 11 1859 D. July 11, 1852
( ) 47. How did Big Ben get its name?
A.Benjamin Hall gave it the name.
B.Big Ben got its name because of a joke.
C.Big Ben got its name from the Queen of the UK
D.Victoria gave it the name.
( ) 48. “Keep very good time” means ___________
A.have a good time
B.show people the correct time.
C.keep running
D.be made in time
( ) 49. Which of the following is NOT true?
A.People all over the world look upon Big Ben as their friends.
B.People all over the world even send oil to Big Ben.
C.People think Big Ben will reply their letters.
D.People think Big Ben is the biggest and the best clock in the world.
( ) 50. Benjamin Hall is ___________.
A. a man who built Big Ben
B. a man who was always very funny
C.the man who burnt down the old clock
D.a man who attended the meeting which was held to make a name for the big clock
一、用所给词的适当形式填空
1. Don't smoke, somking 解析：前半句是祈使句，变否定时加主动词do,后半句是标志的习惯译法，也可以理解为No后面加名词或名词词性的形式，即动名词形式。
2. swims, is swimming 解析：前半句表示状态，用一般现在时，且由于主语是爸爸，用动词单三形式;后半句有look这个时间标志，用现在进行时。
3. was 解析：最后的时间标志词，a moment ago应该用一般过去时。
4. Do 解析：主语是nancy's brothers是复数，助动词用DO。
5. them 解析：本题考查人称代词用法，本代词作put的宾语，用人称代词的宾格。代的是books用复数them.
6. glasses 解析：本题考查不可数名词表个体时，要用单位名词，在表示复数时将单位名词变复数。
7. exciting, excited 解析：exciting指(物或事件)让人觉得兴奋;excited指(人)兴奋的。
二、阅读理解
1. C 解析：本题从第一段最后一句便可得知答案。
2. B 解析：本题从第二段最后一句可推断出答案。
3. B 解析：本题是推断意思的题目，是阅读理解题中的难点。这类推断短语意思的题目要通读划线部分整句及前后一句基本上就可以得出答案。前一句提到人们希望这个钟应该是'biggest and the best'，这与后文的句子是对应的。Big对应biggest, Keep very good time与the best对应。对clock而言，the best就应该是时间很准，所以选B。这类题目一般都直接看不出意思，要通过上下文判断。
4. C 解析：本题为判断正误题，而且选的是错误的选项，应该把每个选项都看过，逐一排除。文中提到人们写信给big Ben但并没提到人们希望能收到回信，所以C选项错误。
5. D 解析：本题通过通读二三段可得出答案。
篇7：小升初英语训练题及答案详解
一、填空
1. 昨天我的电脑坏了。
_____________my computer yesterday.
2. 为了保持健康，我们经常参加体育锻炼。
____________, we often take part in physical exercises.
3. 躺在草地上享受音乐真是快乐。
It is ____________the grass and ____________ the music.
4. 物理课上，他没听懂王教授所讲的内容。(fail)
In the physics class, he ____________ what Professor Wang was talking about.
5. 是否在黄浦江上再建一座大桥，委员们意见不一。
The members of the committee cannot ____________ whether to build another bridge over the Huangpu River.
二、改句子
1. Our teacher stopped us from talking during the exam. （改为意思相同的句子）
Our teacher didn't _________ us _________ talk during the exam.
2. Both Kate and I are going shopping this Saturday.（改为否定句）
_________ Kate _________ I _________ going shopping this Saturday.
3. The girl has long black hair and two big black eyes.（对划线部分提问）
_________ does the girl _________ _________?
4. I collect toys because they are beautiful. （对划线部分提问）
_ ________________________________ ?
5. Students can’t take magazines out of the reading-room. （改为被动语态）
Magazines _________ _________ _________ out of the reading-room by students.
一、填空
1. There was something wrong with 2. To keep fit 3. pleasant lying on, enjoying 4. failed to understand 5. agree on
二、改句子
1. allow, to 2. Neither, nor, am 3. What, look like 4. Why do you collect toys? 5. can’t be taken
篇8：小升初数学冲刺练习题及其详解
小升初数学冲刺练习题及其详解
【二年级】
课内知识：用数学1、1、2、2、3、3拼凑出一个六位数，使两个1之间有1个数字，两个2之间有2个数字，两个3之间有3个数字。
课外趣题：小明、小红、小亮三个人去看电影，他们买了三张座位相邻的票，他们三人的座位顺序一共有多少种不同的安排方法?
【三年级】
课内知识：下面是两个具有一定的规律的数列，请你按规律填出空缺的项：
(1)1，5，11，19，29，________，55。
(2)1，2，6，16，44，________，328。
课外趣题：一个正方形实心方阵，最外层总共72人，这个方阵共有多少人?
【四年级】
课内知识：学校门口放有红、黄、蓝三种颜色的花，其中黄花的盆数最多，既是红花盆数的4倍，也是蓝花盆数的3倍。如果蓝花比红花多20盆，那么学校门口一共多少盆花?
课外趣题：用数码0，1，2，3，4和5组成各位数码都不相同的六位数，并按从小到大的顺序排列，请问第502个数是多少?
【五年级】
课内知识：已知A与B的乘积为54，求2A+3B的最小值。
课外趣题：一个数各个数位上的数字各不相同且各个数位的数字之和为11，求这个数的.最大值与最小值。
答案：
【二年级】
课内知识：用数学1、1、2、2、3、3拼凑出一个六位数，使两个1之间有1个数字，两个2之间有2个数字，两个3之间有3个数字。
解答：312132或231213
课外趣题：小明、小红、小亮三个人去看电影，他们买了三张座位相邻的票，他们三人的座位顺序一共有多少种不同的安排方法?
解答：(小明，小红，小亮)、(小明，小亮，小红)、(小红，小明，小亮)、(小红，小亮，小明)、(小亮，小明，小红)、(小亮，小红，小明)，共6种。
【三年级】
课内知识：下面是两个具有一定的规律的数列，请你按规律填出空缺的项：
(1)1，5，11，19，29，________，55。
(2)1，2，6，16，44，________，328。
解答：(1)规律是：相邻两个数的差可以构成公差为2的等差数列。填41。
(2)规律是：从第三个数开始，每个数都是前面两个的和的2倍。填120。
课外趣题：一个正方形实心方阵，最外层总共72人，这个方阵共有多少人?
解答：最外层每边有72÷4+1=19人，共有19×19=361人。
【四年级】
课内知识：学校门口放有红、黄、蓝三种颜色的花，其中黄花的盆数最多，既是红花盆数的4倍，也是蓝花盆数的3倍。如果蓝花比红花多20盆，那么学校门口一共多少盆花?
解答：1倍的蓝花比1倍的红花多20盆，那么3倍的蓝花就比3倍的红花多60盆，而3倍的蓝花等于4倍的红花(即黄花盆数)，说明1倍的红花是60盆，蓝花就是60+20=80盆，黄花是60×4=240盆，一共有60+80+240=380盆。
课外趣题：用数码0，1，2，3，4和5组成各位数码都不相同的六位数，并按从小到大的顺序排列，请问第502个数是多少?
解答：以1开头的六位数共有5×4×3×2×1=120个，以2开头的六位数也有120个，以3开头的六位数也有120个，以4开头的六位数也有120个，共有120×4=480个，那么第502个数一定是以5开头的。以50开头的六位数有4×3×2×1=24个，480+24=504，第504个数正好是504321，所以第503个数是504312，第502个数是504231。
【五年级】
课内知识：已知A与B的乘积为54，求2A+3B的最小值。
解答：令x=2A，y=3B，则xy=6AB=324。两个数的乘积为定值时，两个数的差越小，加和越大，因此x=y=18，x+y=2A+3B=36。
课外趣题：一个数各个数位上的数字各不相同且各个数位的数字之和为11，求这个数的最大值与最小值。
解答：最大值为53210，最小值为29。
篇9：小升初数学冲刺练习题及详解
小升初数学冲刺练习题及详解
【二年级】
课内知识：在竖式中，相同的汉字代表相同的数字，不同的汉字代表不同的数字，请问“奥林匹克”代表的四位数是多少?
课外趣题：小烧饼每个5角钱，大烧饼每个2元钱。冬冬一共有6元钱，如果把这些钱全部用来买烧饼，一共有多少种不同的买法?
【三年级】
课内知识：小明用一些棋子摆成了一个两层的空心方阵，后来他又用28枚棋子摆成了另外一个单层的空心方阵，摆完后他发现两个方阵正好可以拼在一起，组成一个新的三层空心方阵，那么他原来用了多少枚棋子?
课外趣题：某班同学在军训队列表演中恰站成一个双层空心方阵，外层的每边站了9名同学.若让这个班同学在一条250米长的笔直马路上站岗，从一端开始每隔5米站一人，则站满之后还剩下多少人?
【四年级】
课内知识：在十个容器中分别装有1到10千克的水，每次操作可由盛水多的甲容器向盛水少的乙容器注水，注水量恰好等于乙容器原有的水量，问能否在若干次操作后，使得5个容器都装有3千克水，而其余容器分别装有6，7，8，9，10千克的水?如果能，请说明操作程序;如不能，请说明理由?
课外趣题：有一次“25分制”的女子排球比赛中，中国队以2：1战胜俄罗斯队，而中国队三局比赛的总得分却比俄罗斯队三局比赛的总得分少21分，中国队输给俄罗斯队的那局比分是几比几?
【五年级】
课内知识：一个数除以5余3，除以6余4，除以7余1，符合条件的最小整数是几?
课外趣题：有三个连续自然数，它们小道大依次是5、7、9的倍数，这三个连续自然数最小是多少?
详解
【二年级】
课内知识：在竖式中，相同的汉字代表相同的数字，不同的汉字代表不同的数字，请问“奥林匹克”代表的四位数是多少?
解答：奥=6，林=7，匹=8，克=9
课内趣题：小烧饼每个5角钱，大烧饼每个2元钱。冬冬一共有6元钱，如果把这些钱全部用来买烧饼，一共有多少种不同的买法?
解答：一共有4种
2元 3 2 1 0
5角 0 4 8 16
【三年级】
课内知识：小明用一些棋子摆成了一个两层的空心方阵，后来他又用28枚棋子摆成了另外一个单层的空心方阵，摆完后他发现两个方阵正好可以拼在一起，组成一个新的三层空心方阵，那么他原来用了多少枚棋子?
解答：单层空心方阵可以放在双层空心方阵的里面，也可以放在双层空心方阵的外面。如果放在里面，那么原有棋子(28+8)+(28+8+8)=80枚;如果放在外面，那么原有棋子(28-8)+(28-8-8)=32枚。所以原来用了80枚棋子或32枚棋子。
课内趣题：某班同学在军训队列表演中恰站成一个双层空心方阵，外层的每边站了9名同学.若让这个班同学在一条250米长的笔直马路上站岗，从一端开始每隔5米站一人，则站满之后还剩下多少人?
解答：双层空心方阵的内层每边应站9-2=7人，故该班共有[(9-1)+(7-1)]×4=56人。250米长的马路包括250+5=50个5米长的段，所以站岗需要50+1=51人，站满后还剩下56-51=5人。
【四年级】
课内知识：在十个容器中分别装有1到10千克的.水，每次操作可由盛水多的甲容器向盛水少的乙容器注水，注水量恰好等于乙容器原有的水量，问能否在若干次操作后，使得5个容器都装有3千克水，而其余容器分别装有6，7，8，9，10千克的水?如果能，请说明操作程序;如不能，请说明理由?
解答：按题中操作，装有奇数千克重量的容器数量不会比原来增加，开始有5个奇数后来有7个奇数，不可能。
课内趣题：有一次“25分制”的女子排球比赛中，中国队以2：1战胜俄罗斯队，而中国队三局比赛的总得分却比俄罗斯队三局比赛的总得分少21分，中国队输给俄罗斯队的那局比分是几比几?
解答：获胜每局至少相差2分，由于总分中国队比俄罗斯少21分，可知输掉一局的比分差是21+2×2=25分，所以比分为0：25。
【五年级】
课内知识：一个数除以5余3，除以6余4，除以7余1，符合条件的最小整数是几?
解答：因为这个数再加上2应正好被5和6整除，所以满足前两个条件的最小数是30-2=28。又因为28除以7余0，30除以7余2。所以28再加上30的4倍定被7除余1，所以符合条件的最小数是28+30×4=148。
课内趣题：有三个连续自然数，它们小道大依次是5、7、9的倍数，这三个 连续自然数最小是多少?
解答：先找到两个连续的数满足5、7最小是20、21， 在此基础上加4个35，得到160、161、162
★ 小升初英语范文
★ 小升初英语
小升初英语练习题及答案详解（推荐9篇）
