内容正文:
Unit 7 Protect the Earth
同步练习
一、英汉互译。
1.许多能源____________________ 2. so much oil ____________________
3. 再利用和节约水____________________ 4. waste water____________________
5.用木头做桌子____________________ 6. at the school gate____________________
7.砍伐树木____________________ 8. make a poster ____________________
9.在地球上____________________ 10. in many places __________________
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 D. don’t
( ) 3. Trees help _______ the air clean.
A. keeping B. for 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. There ______ too much water on the farm.
A. isn’t B. aren’t C. weren’t D. wasn’t
( ) 8. Do you know the news? Yes, Mike _____ me _______ it yesterday.
A. told, about B. tells, for C. says, about D. said, 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
三、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. Nancy usually _________ (use) paper bags and glass bottles.
4. We have three lessons this morning. The __________ (two) one is English.
5. ________ (do) your mother go to the supermarket yester