内容正文:
Unit 3 The Earth
1、 单项选择
1. Benny saw three ______ climbing the walls.
A. thiefs
B. thief
C. thieves
D. thieve
2. —Tom, what are those?
—They are________.
A. deers
B. a deer
C. deer
D. deeres
3. There ____ a book and two pens on the desk.
A. is
B. are
C. be
D. /
4. The boy is thirsty, and he would like _______.
A. a bowl of rice
B. a cup of tea
C. a box of chocolate
D. a piece of bread[来源:Z+xx+k.Com]
5. Maths _____ my favourite subject.
A. is
B. am
C. are
D. be
6. It’s important _______ us to study hard.
A. to
B. for
C. on
D. with[来源:Zxxk.Com]
7. There are many animals on Earth. Some live _____ the land. Some live ____ the water.
A. under; on
B. in; under
C. on; under
D. under; in
8. We must stop _____ the animals!
A. kill
B. to kill
C. killed
D. killing
9. Don’t ____ rubbish into the river!
A. go
B. throw
C. pull
D. push
10. Forests are very important. They provide