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1、司徒中学2012届初三毕业班英语培优练习（六）时间：16th, March, 2012（Friday afternoon）地点：美术室一、单项选择1 - Excuse me , is this seat taken ?- _. That man got his books and left a few minutes ago . A Im afraid so B I dont think so C. I dont know . D. I hope not.2. - _ is the population of your city ? - About two million. A. How B
2、What C. How many D. How much3. - What about the color of the shirt ? - oh , _ I dont like it. A. thats beautiful B. its ok C. thats too bright D. thats all right.4. Would you mind _ the door ? A. I closing B. to close C. me closing D. my close 5. - Have all the students know that our class will visi
3、t the factory this afternoon. - Yes , Every student _ about it. A. have told B. have been told C. has told D. has been told6. How long _ the film _ when you got there ? A. has ,begun B. had, begun C. has , been on D. had, been on7._ exciting news ! Were never had _ long vacation before. A. What, suc
4、h a B. What an , such a C. How , such a D. What ,so a 8. _ the bad weather , the swimming match had been put off. A, Because B. Thanks to C. With the help of D. For 9. - I wonder if it _ tomorrow. - Dont worry, if it _ , well stay at home. A. rains, rains B. will rain ,rains C. rains , will rain D.
5、will rain, will rain10. I couldnt agree with _ at the meeting . A. that you said B. which you said C. all what you said D. what you said 11. - Mum , could you buy me a dress like this ? - certainly, we can buy _ one than this , but _ this. A. a better, better than B. a worse , as good as C. a cheape
6、r , as good as D. a more important , not as good as12. Since youre _ danger, why not ask _ help? A. in, for B. in, to C. with , for D. with, to 13 - Shall we go skating tomorrow ? - _. A. youre all right B. Its very kind of you C. You are right D. Thats a good idea14. Jenny gave us _ on how to impro
7、ve English . A. some advices B. many advices C. some advice D. an advice 15. _ China is _ old country with _ long history. A. /,an, a B. The , an , a C. / , an, the D. / , the , a 16. Why not _ Tom _ his English. A. help, improve B. to help, improve C. help, improving D. to help, improving17. - Must
8、 I five the dictionary back to the library now ? - No, You _. You can _ it for another two weeks. A. neednt ,know B. neednt , keep C. mustnt , lend D. mustnt , keep18 He is wearing his sunglasses to _ himself from the sun. A. prevent B. stop C. keep D. protect19 Look , the teacher as well as all his
9、 students _ playing games on the playground. A are B. is C. has been D. have been 20. - Ann has made great progress recently . - _ and _. A. So has she , so have you B. So has she , so you have C. So she has , so you have D. so she has , so have you.21 There used to be a church here , _ ? A. dont th
10、ere B. used not there C. didnt there D. didnt it 22. The digital camera cost _ that I didnt buy it. A. so much B. so little C. such much D. such little23. - Who taught _ French ? - Nobody , she learned all by _. A. herself, her B. she , herself C. her , herself D. her ,she 24. Mick , your T-shirt ha
11、s _, why dont you buy a new one ? A. worn out B. broken out C. sold out D. run out 25 You need friends to _ , or we will feel _. A. chat, alone B. chat with , lonely C. speak, lonely D. talk with, alone二、阅读理解 AEvery object has weight. But the center of its weight is not always in the middle of the o
12、bject. If the top of an object is heavier than its bottom, it will fall over easily. We say that its center of gravity is high. But if the bottom is heavier, it wont fall easily. Then we say that its center of gravity is low.Look at the first picture. This empty box must fall over, because its cente
13、r of gravity (C) is not above the line of its bottom (AB).Now look at the second picture. There is some heavy iron in the bottom of this box. It will not fall, because its center of gravity is above its bottom.1. If the bottom of an object is _ its top, it will fall over easily. A. lighter thanB. he
14、avier thanC. no heavier thanD. as heavy as2. Please point out which box will not fall.3. The reason why the Leaning Tower of Pisa does not fall is that _.A. the top of the tower is heavier than its bottomB. the bottom of the tower is not heavier than its topC. its center of gravity is still above the line of its bottomD. its center of gravity is not above the line of its bottom4. If an object has
