2019小升初英语重点专题模拟试题1-8(答案版)
2019小学升初中英语模拟考试卷(一)(有听力材料和答案)
小学升初中英语模拟考试卷(一)时间：60分钟总分：100分听力部分(总分30分)一、听录音，选择你所听到的单词。
(10分)( )1．A．play B．plane C．plate( )2．A．skate B．skirt C．shirt( )3．A．stop B．shop C．drop( )4．A．angry B．hungry C．hurry( )5．A．seed B．seat C．said二、听对话，选择与听到内容相符的图片。
(10分)( )1．What day was it yesterday? ( )2．Which book does Jane like best?A B A B( )3．What is Mike’s hobby? ( )4．How can the man go to the school?A B A B( )5．How did the boy’s father go to Shanghai?A B三、听录音，根据问旬选择答语。
(10分)( )1．A．I'm 40kg．B．I'm 154cm．C．I’m l2．( )2．A．She’s fine．B．He has a cold．C．He feels happy．( )3．A．Oct．1st．B．Jun．1st．C．Jan．1st．( )4．A．I'm going to Hong Kong．B．I'm going there by plane．C．I'in going to buy a book．( )5．A．She likes watching TV．B．She watches TV every evening．C．She is a TV reporter．笔试部分(总分70分)四、找出与其他单词的画线部分读音不同的一项。
(5分)( )1．A．sweater B．please C．teacher( )2．A．now B．yellow C．how( )3．A．they B．three C．mother( )4．A．books B．classes C．maps( )5．A．yes B．your C．my五、连词成句，标点符号已给出。
2019小升初英语模拟试卷及答案
一、单项选择（20分）( ) 1. I in Class 5. Ben in Class 5, too.We classmates.A. is, am, areB. am, is, areC. are, is, am( ) 2. My shoes under the bed just now. But they there now.A. are, weren’tB. were, weren’tC. were, aren’t( ) 3. There’s apple tree in my garden. In tree, there’s small house for the birds.A. an, the, aB. an, a, theC. a, the, a( ) 4. -- that woman, Helen?–She’s Miss Li.-- is that dress? Is it hers?A. Who, WhoseB. Whose, Who’sC. Who’s, Whose ( ) 5. I usually go to school seven the morning.A. at, onB. at, inC. about, on( ) 6. This is our classroom. is next to .A. Your, ourB. Your, oursC. Yours, ours( ) 7. Mr White is from . He’s . He speaks .A. America, American, EnglishB. American, America, EnglishC. America, American, American( ) 8. I a big garden behind my house. manyflowers in it.A. have, There areB. there are, HaveC. has, There is( ) 9. There isn’t milk in the cup. Would you like juice?A. some, anyB. any, someC. any, any( ) 10. - Yang Ling see a film last Sunday? -No, she .A. Do, don’tB. Does, doesn’tC. Did, didn’t( ) 11. –What does “No parking”mean? - It means .A. We can park our bikes here.B. We can’t park our bikes here.C. We can’t ride our bikes here.( ) 12. –This is an exciting holiday. People usually make pumpkin lanterns and go to parties. Children wear(穿，戴) masks and dress up in costumes. What holiday is it? - It’s .A. HalloweenB. EasterC. Christmas( ) 13. –What’s your _____? -- I like listening to music.A. nameB. hobbyC. job( ) 14. –Where ______ your friend live? -- She ____ in London.A. do, liveB. does, livesC. is, live( ) 15. Can you Chinese ? No, but I often with myfriends Chinese.A. tell, say, atB. speak, talk, inC. speak, tell, in( ) 16. What can you in the picture? I at it, but I can’t any thing.A. look, look, look forB. see, see, look forC. see, look, find ( ) 17. Which season you like ? I like spring better.A. did, bestB. do, bestC. do, better( ) 18. Look, there’s apple tree. tree is very tall. You can see cat under it.A. an, A, theB. an, The, aC. a, The, a( ) 19. In winter, it often snows, It’s best season.A. the, theB. a, theC., the( ) 20. Tom is in Class One, Jim is in Class Two, they are inA. the same classB. the same rowC. different classes二、完型填空（10分）I __1__ a bad cough and a high fever. So I didn’t go school__2__morning. After breakfast, I__3__ a storybook. There’re many signs __4__ it. From this book I know __5__ about traffic（交通）.We should walk or drive on the __6 __ of the road（路）and get slower（慢下来）at the cross of the road. “Red light”means __7__. “Green light”means __8__. We __9__ go in the time of “Red light”. We must __10__ the “Green light”and go.( )1、A. got B. am got C. have got D. get( )2、A. in B. in the C. that D. this( )3、A. look at B. read C. see D. look( )4、A. in B. on C. beside D. about( )5、A. a lot of B. many C. lots of D. a lot( )6、A. left B. light C. right D. write( )7、A. stop B. stopping C. go D. going( )8、A. go B. goes C. going D. to go( )9、A. should B. shouldn’t C. must D. can( )10、A. wait B. wait for C. waiting D. waiting for三、阅读理解（15分）AOne day Mr. and Mrs. White went shopping by car. They stopped their car near a shop. They bought（买）a lot of things and they wanted to put the things into the car. But Mr. White couldn’t open the door of the car, so they asked a policeman to help them. The policeman was very friendly. He started to open the car for them. Just then a man came up and shouted（喊）, “What are you doing with my car?”Mr. and Mrs. White had a look at the car’s number and they were frozen（惊呆了）there. It wasn’t their car.( ) 1. Mr. and Mrs. White drove for shopping.( ) 2. They stopped their car at the gate of a snack bar.( ) 3. They wanted to give their things to a policeman.( ) 4. The policeman would like to help Mr. White.( ) 5. From the passage（短文）, we know Mr. and Mrs. White made a mistake（搞错了）.B“Early to bed, early to rise（起身）makes people healthy, wealthy and wise（健康，富有，聪明）.”This is an old English saying. Children should have ten hours’sleep every night, or they can’t do their work very well. They will not be wise. The body needs exercise. Walking, running, swimming and playing ball games are all exercise. Exercise keeps the body strong.( ) 1. “Early to rise”means that we must early.A. go to schoolB. get upC. go home( ) 2. Children should have hours’sleep every night.A. 8B. 9C. 10( ) 3. Everybody exercise.A. needB. needsC. wants( ) 4. is good exercise, too.A. JogB. JoggingC. Jogged( ) 5. Exercise makes us .A. fatB. strongerC. thinnerCThe Spring Festival（春节）is our Chinese people’s festival. Thereare different names for each year. We all call it the year of monkey, the year of dog…and this year is the year of Mouse. Before the day of the festival, people are busy shopping and cleaning. On the Eve（除夕）, there is a big family dinner. After dinner, all the family stay up late（守夜）to welcome the new year. In the middle of the night, we have some dumplings（饺子）and watch TV. On the first day of the New Year, people wear new clothes to visit their relatives and say “Happy New Year”to each other.( ) 1. There are different names for Chinese years.A. 10B. 11C. 12( ) 2. When is the Eve in Chinese year?A. The evening of the Spring Festival.B. The evening before the Spring Festival.C. The evening after the Spring Festival.( ) 3. People before the Spring Festival.A. sing and danceB. go shopping and clean the houseC. play games( ) 4. are the favorite food for Chinese people on the Eve.A. CakesB. DumplingsC. Noodles( ) 5. On the festival people usually .A. wear new clothesB. go to visit their relativesC. A and B四、趣味英语选择（8分）( ) 1. "Walls have ears" means______.A.墙上有洞B.隔墙有耳C.震耳欲聋D.耳聪目明( ) 2. —Who's the boy in the hat?A.戴着帽子B.在帽子上C.拿着帽子D.带着帽子( ) 3. "Practice in pairs." means______.A.两人练习B.两人表演C.组成小组D.三人游戏( ) 4. She's a green hand. "green hand" means______.A.老手B.新手C.绿手D.热手( ) 5. "Like father, like son." means______ （10分）A.父子一样B.像父亲,又像儿子C.有其父必有其子D.喜欢父亲也喜欢儿子( ) 6. "A lucky dog" means______. （10分）A.幸运狗B.幸运儿C.可爱的狗D.人见人爱( ) 7.He is a yes-man. I don't like him. （10分）A.说一不二的人B.唯唯诺诺的人C.总有理的人D.坚强的人( ) 8. Look out! A car is coming. "Look out!" means ______. （10分）A.白外看!B.看呀!C.看外面D.小心!五、情景会话(12分)A) 重新排列句子，组成一段合理的对话。
2019小升初英语试卷及答案(十八套)
小升初英语模拟试卷1一、判断下列画线部分读音是否相同，相同的画“√”，不同的画“×”。
（8分）( ) 1. that mouth ( ) 2. tree sleep( ) 3. Japan Japanese ( ) 4. beef feel( ) 5. kite fish ( ) 6. hot over( ) 7. have name ( ) 8. his this二、英汉互译。
（12分）1. 一次重感冒 _________________________2. 四点一刻 _________________________3. 跟我学英语 _________________________4. 扫地 _________________________5. 一个有趣的中国人 ___________________6. 值日 _________________________7. a camping trip ____________________8. surf the Internet __________________9. lie on one’s back _________________10. at once _______________________11. say goodbye to their teachers __________________12. catch insects ____________________三、选择填空。
（15分）( ) 1. Mr Wang and his students _____ a lesson now.A are havingB hadC have( ) 2. – Yang Ling like football?-- Yes, she ____.A Does；doesB Do；doC Do；does( ) 3. – What ____ under the bed?-- There are some footballs.A areB isC /( ) 4. Look, the boy can ____.A skatingB skateC skates( ) 5. – Do you like _____ chess?-- Yes, I do.A playingB playsC play( ) 6.I have a telescope；my sister ____ one, too.A haveB /C has( ) 7. Let’s buy a ____ for our grandparents.A New Year CardB new year cardC New Year card( ) 8. -- ___ day is it today?-- It’s Tuesday.A What’sB WhatC Which( ) 9. – May I _____ Helen?-- This is Helen speaking.A speakingB speakC speak to( ) 10. Ann’s hobbies _____ going shopping and taking photos.A isB areC have( ) 11. What’s wrong _____ you?A forB ofC with( ) 12. My family ____ in China now.A livingB livesC live( ) 13. His sister _____ school at ten past seven.A go toB goes toC goes( ) 14. David comes from Australia. He is ____.A an English manB an AmericanC an Australian( ) 15. The students are talking about their weekends _____ Friday afternoon.A onB inC at四、连词成句。
2019年小升初英语模拟试卷及答案(10套)
A. Your ;yoursB. yours ;mineC. you ;meD. Your; mine6. If it rain tomorrow, we to have a picnic.A. isn't ,goB. doesn't , goC. isn't, will goD. doesn't will go7. ----You look beautiful in white tonight. Sally! ---- .A. My pleasureB. You're welcomeC. Thank youD. That's OK.8. Though he is an American boy, he can speak Chinese .A. wellB. goodC. betterD. nice9. the black board and listen to me carefully, boys and girls.A. lookupB. Look atC. Look downD. Look after10. It rained all day, I had to stay inside.A. soB. butC. becauseD. too11. I have two friends in the new class. One is Jack, is Liu Mei.A. another oneB. the otherC. the othersD. other one12. He often English after his homework on weekends.A. study ;finishB. studied ;finishedC. studies ;finishingD. studying ;finishing13. ---- do you go shopping every month?----Sometimes.A. How oftenB. How manyC. How muchD. How long14. There are more than students in our school now.A. two thousandsB. two thousands ofC. two thousandD. thousand of15. They are having supper at now.A. the Brown'sB. the Browns'C. BrownsD. the Browns16. The stadium people who are watching a basketball game.A. are full ofB. fill withC. is fill withD. is full of17. He asked .A. when did the match beginB. when does the match beginC. when the match beganD. when the match will begin.18. The little boy is in football.A. interest; playB. interests ; playsC. interesting; playingD. interested ;playing19. My mum a book at nine o'clock last night.A. is seeingB. was readingC. is lookingD. was watching20. ---Is the man over there Mr. Cool?---No, it be him. He has gone to Shanghai.A. Can'tB. mustn'tC. canD. must三、完型填空。
2019年小升初英语试卷及答案(10套)
A. Your ;yoursB. yours ;mineC. you ;meD. Your; mine6. If it rain tomorrow, we to have a picnic.A. isn't ,goB. doesn't , goC. isn't, will goD. doesn't will go7. ----You look beautiful in white tonight. Sally! ---- .A. My pleasureB. You're welcomeC. Thank youD. That's O.8. Though he is an American boy, he can speak Chinese .A. wellB. goodC. betterD. nice9. the black board and listen to me carefully, boys and girls.A. lookupB. Look atC. Look downD. Look after10. It rained all day, I had to stay inside.A. soB. butC. becauseD. too11. I have two friends in the new class. One is Jack, is Liu Mei.A. another oneB. the otherC. the othersD. other one12. He often English after his homework on weekends.A. study ;finishB. studied ;finishedC. studies ;finishingD. studying ;finishing13. ---- do you go shopping every month?----Sometimes.A. How oftenB. How manyC. How muchD. How long14. There are more than students in our school now.A. two thousandsB. two thousands ofC. two thousandD. thousand of15. They are having supper at now.A. the Brown'sB. the Browns'C. BrownsD. the Browns16. The stadium people who are watching a basketball game.A. are full ofB. fill withC. is fill withD. is full of17. He asked .A. when did the match beginB. when does the match beginC. when the match beganD. when the match will begin.18. The little boy is in football.A. interest; playB. interests ; playsC. interesting; playingD. interested ;playing19. My mum a book at nine o'clock last night.A. is seeingB. was readingC. is lookingD. was watching20. ---Is the man over there Mr. Cool?---No, it be him. He has gone to Shanghai.A. Can'tB. mustn'tC. canD. must三、完型填空。
2019小升初英语专题训练试卷及答案精品教育.doc(K12教育文档)
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小升初英语专题训练试卷及答案小升初英语专题训练试卷1一、选出画线部分读音与其余三个不同的单词。
(5分)（） 1. A. name B. grade C。
have D. plane（） 2。
A。
see B。
meet C。
green D。
eraser( ） 3. A。
bike B。
fine C. behind D. different（） 4. A。
these B. there C. three D. that( ） 5。
A。
baby B. many C. goodbye D. strawberry二、按要求写单词。
（10分)1。
light （反义词）_________ 2. buy (过去式)_________ 3。
one (序数词)_________ 4。
the second day in a week (同义词)_________5。
knife (复数）_________ 6. Japan （形容词）_________ 7。
let’s (完全形式)________ 8. four（同音词)___________9. us （主格）__________ 10。
2019年小升初英语模拟试卷(含答案).doc
2019年小升初英语试卷、找岀在意义上不属于同类的词，将字母代号写在括号内( )1. A. spri ng B. summer ( )2. A. bread B. meat ( )3. A. cupboard B. desk ( )4. A. sunny B. rain ()5. A. the B. near二、词汇。
(5分)根据首字母提示写岀单词，完成句子。
1. --- Thank you very much! --- With p ______.2. W _________ comes after Tuesday.3. What do you have for b _________ .4. This is Peter's e ______ life.5. F ______ is the sec ond month of a year. 三、选词填空。
(5分)用 at, on, to, like, for, in front of, from填空。
1. What's the weather _______ in Sha nghai?2. A storm is coming ________ South Chi na Sea.3. Here's the weather report _________ tomorrow.4. Mr. Smith has many pigs _________ his farm.5. Father is clea ning his car _________ the house.6. I get up ________ six o'clock in the morning.7. We are eati ng dinner _______ the table.8. It's raining. We can watch TV ______ home.9. What can I do ________ you?10. It's five __________ t welve in the morning.四、用所给单词的适当形式填空。
2019年小升初英语模拟考试试卷及答案解析
精品文档！2019年小升初英语模拟考试试卷及答案解析一、单选题（共10题；共20分）1.选择出不同类的单词（）A.feelB.happyC.bright【答案】A【考点】形容词，动词【解析】【分析】根据所给的单词，选项A感觉，动词，选项B高兴的，形容词，选项C明亮的，形容词.故选A.【点评】本题考查了区分动词和形容词形式.2.Where did you________?A.wentB.goesC.go【答案】C【考点】动词【解析】【分析】句意:你......哪里了?这是疑问句,句子中有助动词did,谓语动词用动词原形,A选项是:过去式,B选项是:第三人称单数,C选项是:动词原形。
故答案为:C.【点评】这是考查动词适当形式的题目。
要掌握谓语动词和助动词的搭配格式。
3.She wrote a book about________.A.himselfB.herselfC.yourself【答案】B【考点】代词，一般过去时【解析】【分析】句意：她写了一本关于自己的书。
himself是he的反身代词，yourself是you的反身代词，“she”对应的反身代词是herself。
故选B。
【点评】本题主要考查反身代词辨析，需要平时区别记忆。
【点评】本题考查介词的用法。
二、判断题（共5题；共10分）11.The science museum is on your right.【答案】错误【考点】陈述句【解析】【分析】句子意思是:科技馆在你的右边.图片是在左边.图句不符合.故答案为:错误.【点评】这是考查图句匹配的题目.重点单词是right"右".12.Tom is taller than Mike.【答案】正确【考点】陈述句【解析】【分析】句子意思是:Tom比Mike个子高.根据图片Tom比Mike高.图句相符.故答案为:正确.【点评】这是考查图句匹配的题目.关键词是taller"更高".13.He wanted to play basketball.【答案】正确【考点】陈述句，一般过去时【解析】【分析】句意：他想去打篮球。
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参考答案：(一)一、填空。
1、篮球个数是足球的125％，篮球比足球多（25 ）％，足球个数是篮球的（ 80 ）％，足球个数比篮球少（ 20 ）％。
2、排球个数比篮球多18％，排球个数相当于篮球的（ 118 ）％。
3、足球个数比篮球少20％。
排球个数比篮球多18％，（排）球个数最多，（足）球个数最少。
4、果园里种了60棵果树，其中36棵是苹果树。
苹果树占总棵数的（ 60 ）％，其余的果树占总棵数的（ 40 ）％。
5、女生人数占全班的百分之几 = （女生人数）÷（全班人数）杨树的棵数比柏树多百分之几 =（杨树比柏树多的棵数）÷（柏树棵数）实际节约了百分之几 = （节约的数量）÷（计划数量）比计划超产了百分之几 = （超产产量）÷（计划产量）6、20的40％是（ 8 ），36的10％是（ 3.6 ），50千克的60％是（ 30 ）千克，800米的25％是（ 200 ）米。
7、进口价ａ元的一批货物，税率和运费都是货物价值的10％，这批货物的成本是（ 1.2ａ）元。
二、解决实际问题1、白兔有25只，灰兔有30只。
灰兔比白兔多百分之几？（30 - 25）÷ 25 = 20 ％2、四美食盐厂上月计划生产食盐450吨，实际生产了480吨。
实际比计划多生产了百分之几？（480 - 450）÷ 450 ≈ 6.7％3、小明家八月份用电80千瓦时，小亮家比小明家节约10千瓦时，小亮家比小明家八月份节约用电百分之几？10 ÷ 80 = 12.5 ％4、某化肥厂9月份实际生产化肥5000吨，比计划超产500吨。
比计划超产百分之几？500 ÷（5000 – 500）≈ 11.1％5、蓝天帽业厂去年收入总额达900万元，按国家的税率规定，应缴纳17％的增值税。
一共要缴纳多少万元的增值税？900 × 17％ = 153（万元）6、爸爸买了一辆价值12万元的家用轿车。
按规定需缴纳10％的车辆购置税。
爸爸买这辆车共需花多少钱？方法1：12 ×10％ + 12 = 1.2 + 12 = 13.2（万元）方法2：12 ×（1 + 10％） = 12 ×1.1 = 13.2（万元）参考答案（二）：1、李叔叔于2000年1月1日在银行存了活期储蓄1000元，如果每月的利率是0.165％，存款三个月时，可得到利息多少元?本金和利息一共多少元?税后利息：1000 × 0.165％× 3 ×（1 - 5％）= 4.7025（元）≈ 4.70（元）本金和利息：1000 + 4.70 = 1004.70（元）2、叔叔今年存入银行10万元，定期二年，年利率4.50% ，二年后到期，扣除利息税5% ，得到的利息能买一台6000元的电脑吗？税后利息：100000 × 4.50％× 2 ×（1 - 5％）= 8550（元）8550 > 6000答：得到的利息能买一台6000元的电脑。
3、小华妈妈是一名光荣的中国共产党员，按党章规定，工资收入在400-600元的，每月党费应缴纳工资总额的0.5%，在600-800元的应缴纳1%，在800-1000元的，应缴纳1.5%，在1000以上的应缴纳2%，小华妈妈的工资为2400元，她这一年应缴纳党费多少元？2400 × 2％× 12 = 576（元）4、填空：八折=（ 80 ）% 九五折=（ 95 ）%40% =（四）折 75% = （七五）折5、只列式不计算。
①买一件T恤衫，原价80元，如果打八折出售是多少元？80 × 80％②有一种型号的手机，原价1000元，现价900元，打几折出售？ 900 ÷ 1000③老师在商店里花了56元钱买了一条牛仔裤，因为那儿的牛仔裤正在打七折销售。
这条牛仔裤原价多少元？56 ÷ 70％6、算出折数。
⑴在日常生活中打“折”现象随处可见。
这儿有一家快餐店也在搞促销，你能算出这些美食分别打几折吗？每人可任选一种计算一下。
①食品原价4元，现价3元。
3 ÷ 4 = 0.75 = 75％ = 七五折②食品原价5元，现价4元。
4 ÷ 5 = 0.8 = 80％ = 八折③食品原价10元，现价7元。
7 ÷ 10 = 0.7 = 70％ = 七折7、常熟新开了一家永乐生活电器，“十•一”节日期间，那里的商品降价幅度很大。
有一种款式的MP3，原价280元，现在打三折出售。
根据这个信息，你想计算什么？①现价多少元？三折 = 30％ 280 × 30％ = 84（元）②现价比原价便宜了多少元？ 280 – 84 = 196（元）改编：（1）有一种款式的MP3，打三折出售是84元，原价多少元？84 ÷ 30％ = 280（元）（2）有一种款式的MP3，打三折出售比原价便宜了196元，原价多少元？196 ÷ （1 - 30％）= 280（元）8、一种矿泉水，零售每瓶卖2元，生产厂家为感谢广大顾客对产品的厚爱，特开展“买四赠一”大酬宾活动，生产厂家的做法优惠了百分之几？ (注意解题策略的多样性。
) 4 ÷ （4 + 1） = 0.8 = 80％ 1 - 80％ = 20％9、一辆自行车200元，在原价基础上打八折，小明有贵宾卡，还可以再打九折，小明买这辆车花了多少钱？ 200 × 80％ × 90％ = 144（元）10、小红在书店买了两本打八折出售的书，共花了12元，小红买这两本书便宜了多少钱。
12 ÷ 2 ÷ 80％ = 7.5（元） 7.5 × 2 – 12 = 3（元） 或 12 ÷ 80％ – 12 = 3（元）参考答案（三）：一、基本训练：1、找出下列各题中的单位“1”。
①男生人数占女生人数60%。
把女生人数看作单位“1” ②男生人数比女生人数多20%。
把女生人数看作单位“1” ③女生人数比男生人数少25%。
把男生人数看作单位“1” ④加工一批零件，已完成了80%。
把一批零件看作单位“1”⑤今年的猪肉单价比去年上涨了80%。
把去年的猪肉单价看作单位“1”2、根据所给信息，说出数量间的相等关系①一条路，已修了全长的60% 全长 × 60% = 已修 ②一种彩电，现价比原价降低10% 原价 × 10% = 降价 原价 ×（1-10%）= 现价③松树的棵数比柏树多13 柏树 × 13 = 松树比柏树多的棵数柏树 ×（1+13 ）= 松树 3、看图列式。
用去30% ?只灰兔 比灰兔多25%用去 ? 吨 还剩28吨 白兔28 ÷（ 1 - 30%）×30% = 12（吨） 30只ｘ + 25％ｘ = 30ｘ = 244、列式计算：（1）一个数的75%比30的25%多1.5，求这个数。
75％ｘ – 30 × 25% = 1.5= 12（2）一个数的25%比它的75%少30，求这个数。
75％ｘ – 25%ｘ = 30 x = 60 二、解决问题：1、对比练习（1）某工厂六月份用煤60吨，六月份比五月份少用煤25％，五月份用煤多少吨？解：设五月份用煤ｘ吨。
ｘ – 25%ｘ = 60ｘ = 80（2）某工厂六月份用煤60吨，五月份比六月份多用煤25％，五月份用煤多少吨？ 60 + 60 × 25% = 75（吨）2、一张课桌比一把椅子贵10元，如果椅子的单价是课桌单价的60%，课桌和椅子的单价各是多少元？ 解：设课桌的单价是ｘ元，椅子的单价是60%ｘ元。
ｘ – 60%ｘ = 10ｘ = 2525 × 60% = 15（元）或 25 – 10 = 15（元） 答：课桌的单价是25元，椅子的单价是15元。
3、果园里的梨树和苹果树共有360棵，其中的苹果树的棵树是梨树的棵树的20%。
苹果树和梨树各有多少棵？ 解：设梨树的棵树是ｘ棵，苹果树的棵树是20%ｘ棵。
ｘ + 20%ｘ = 360ｘ = 300300 × 20% = 60（棵）或 360 – 300 = 60（棵）答：梨树的棵树是300棵，苹果树的棵树是60棵。
4、一套桌椅的价格是78元，其中椅子的价格是桌子的30%。
桌子和椅子的价格各是多少元？解：设课桌的单价是ｘ元，椅子的单价是30%ｘ元。
ｘ + 30%ｘ = 78ｘ = 6060 × 30% = 18（元）或 78 – 60 = 18（元）答：课桌的单价是60元，椅子的单价是18元。
5、一条绳子，第一次剪去全长的25%，第二次剪去全长的35%，两次共剪去6米，这条绳子共长多少米？解：设这条绳子共长ｘ米。
25%ｘ + 35%ｘ = 6ｘ = 10答：这条绳子共长10米。
6、一条绳子，第一次剪去全长的25%，第二次剪去全长的35%，第二次比第一次多剪了1米，这条绳子长多少米？解：设这条绳子共长ｘ米。
35%ｘ - 25%ｘ = 1ｘ = 10答：这条绳子共长10米。
7、根据问题列式。
平山茶场去年原计划种茶20公顷，实际种茶25公顷，________?①实际种茶的公顷数是原计划的百分之几？ 25 ÷ 20 = 125%②计划种茶的公顷数是实际的百分之几？ 20 ÷ 25 = 80%③实际种茶的公顷数比原计划多百分之几？（25 – 20）÷ 20 = 25%④计划种茶的公顷数比实际少百分之几？（25 – 20）÷ 25 = 20%8、根据算式填条件果园里有苹果树200棵，，梨树有多少棵？①200÷20% 苹果树是梨树的20%②200×20% 梨树是苹果树的20%③200÷（1+20%）苹果树比梨树多20%④200÷（1-20%）苹果树比梨树少20%⑤200×（1-20%）梨树比苹果树少20%⑥200×（1+20%）梨树比苹果树多20%参考答案（四）：上图上面从左到右依次是：底面、侧面积中间从左到右依次是：高、高下面从左到右依次是：底面、底面周长、底面周长下面( A )图形旋转会形成圆柱。
3、在下图中，以直线为轴旋转，可以得出圆锥的是（④）。
4、求下列圆柱体的侧面积（1）底面半径是3厘米，高是4厘米。
3.14×3×2×4 = 75.36（厘米）（2）底面直径是4厘米，高是5厘米。
3.14×4×5 = 62. 8（厘米）（3）底面周长是12.56厘米，高是4厘米。