Unit 7 复习练习 班级___________姓名__________ 一、选出划线部分发音与其余三个不同的选项。 ( ( ( ( ( ) 1. A. table B. save ) 2. A. drive B. drink ) 3. A. October B. orange ) 4. A. drive B. plastic ) 5. A. cut B.rubbish C. same C. litter C.smoke C. bin C. museum D. around D. slip D. holiday D. pick D. summer 二、单项选择。 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ) 1. Look! There are too many ________ in the river. A.fish B.plastic C. rubbish D.water ) 2. We ________ use too many plastic bags, A. should B.shouldn’t C.can ) 3. Trees help _______ the air clean. A. keeping B to keep C. keep　D. keeps ) 4. Don’t use _________ plastic, Mum. A. too many B too much C. much too D many too ) 5. We can use water ____________things. A. to clean B cleaning C. clean D. cleans ) 6. Coal is _______ useful energy. A. an B a C. / D the ) 7. Don’t use too much _______ .. A. bags B plastic C. bottles ) 8. Do you know the news? Yes, Mike _____ me _______ it yesterday. A.told, about B.tells, for C. says, about ) 9. There are a lot of oranges ______ the trees. A. in B. at C. on D. of ) 10._______ a nice poster! A. How B what’s C.What　 D. how is ) 11. ______ comes from trees. A. Coal B Wood C. Water D. Rubbish ) 12. When is World Environment Day? It’s ___________. A. in 10th September B.on 5th June C.in 22nd April D.on 22nd April ) 13. There is_____ milk in the bottle. A.very much B. to much C. too much D. too many ) 14. ---We use gloves _______ warm. A. keep B. to keep C. to keeping D. kept ( ) 15.You can______ the dictionary(字典)______ the new words. ( A.use; learn B. to use; to learn C. use; to learn )16. There are some ______ on the table. A. plastic bag B. plastics bags C. plastic bags ( ( ( ( )17. There _______ not much coal or oil _____ Earth. A.is; in B. are; on C. is; on )18.I think it’s ______ cool. A. a really B. really C. real D. a real )19. We have______ in the classroom every day. A. fun B.funny C. happy D. a fun )20. English is ________ useful subject. A. / B. an C. a 三、按要求改变句子。 1. We shouldn’t waste water. (改为同义句) We ss water. 2. There is much oil on Earth.( 改为否定句)www.21-cn-jy.com much oil on Earth. 3. Wood comes from trees.(改为一般疑问句) 4. People should save energy because there’s not much energy.(对划线部分提问) 　　 5. We can reuse a plastic bottle to make a toy. (对划线部分提问) 四、用所给单词的适当形式填空。 1. Don’t ________(throw)rubbish anywhere. 2. The students are _______ (plant) trees on the hill now. 3. The sign means “No _________(park)” 4. It’s Helen’s turn __________(clean) the classroom. 5. You should __________(put) rubbish in the bin. 6. I’d like some __________（banana）. 7. Rubbish _________（make）the streets dirty. 8.Mike likes _________( play) computer games. 9. They _________( bring)some hot dogs for lunch yesterday. 10.Billy _________( slip)on the skin and fell. 五、完型填空。 1 can we protect the Earth? It 2 a problem in the world.Our Earth is just like our mother. We must love 3 . We can 4 up litter around us. You 5 cut down too 6 trees. We can move factories 7 from our city. 8 keep the air clean, we shouldn’t drive too 9 ___. Then 10 will be more and more beautiful. ( )1.A. What B. How C. Why D. When ( ( ( ( ( ( ( ( ( )2.A. be B. become C.becomes D.was )3.A. they B. she C. her D. him )4.A. make B. throw C. pick D. come )5.A. can B. could C. should D. mustn’t )6.A.many B.much C. some D. any )7.A./ B. in C. out D. away ) 8.A.About B. With C.To D. For ) 9.A.many B. much C. some D. any )10.A.he B.she C. the river D. the air 六、阅读理解。 The Earth is big. It’s a big, round ball. There are rocks（岩石） on the Earth. There is soil（土壤） on the Earth. There is water on the Earth. See people on Earth. Do people fall off（跌倒） on Earth? Jump. You come down to Earth. Jump up again. You come down again. You always come down to the Earth. The Earth pulls things down. The pull of the Earth is gravity.(重力) 根据短文内容，选择正确的答案。 ( )1.The earth is ________. A.small B big C. short D.long ( ) 2. There are ________ on the Earth, A. rocks B.water C.soil D. A, B, and C ( ) 3. Do people fall off on Earth? A. Yes, they are. B. No, they aren’t C. Yes, they do. D. No, they don’t