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. tableB. save C. same D. around ( ) 2. A. drive B. drink C. litter D. slip( ) 3. A. October B. orange C.smokeD. holiday( ) 4. A. driveB. plastic C. bin D. pick( ) 5. A. cut B.rubbish C. museum 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.shouldnt C.can ( ) 3. Trees help _ the air clean.A. keeping B to keep C. keepD. keeps( ) 4. Dont 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. Dont 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 whats C.What D. how is( ) 11. _ comes from trees.A. Coal B Wood C. Water D. Rubbish( ) 12. When is World Environment Day? Its _.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; learnB. 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; onC. is; on( )18.I think its _ cool. A. a reallyB. really C. real D. a real( )19. We have_ in the classroom every day. A. funB.funnyC. happyD. a fun( )20. English is _ useful subject. A. / B. an C. a 三、按要求改变句子。1. We shouldnt 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 theres 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. Dont _(throw)rubbish anywhere.2. The students are _ (plant) trees on the hill now.3. The sign means “No _(park)”4. Its Helens turn _(clean) the classroom.5. You should _(put) rubbish in the bin.6. Id 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 shouldnt 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. mustnt( )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. Its 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 arent C. Yes, they do. D