一、选出下列各组单词中划线部分读音不同的一项。

l .A.book         B.cool        C.wood        D.foot

2.A.Earth         B.dear        C.hear         D.year

3.A.cute          B.useful       C.much        D.reuse

4.A.paper         B.glass        C.save         D.waste

5.A.skin          B.bin          C.slip         D.drive

二、英汉互译。

1.一个有用的机器人               2.制作纸袋

3.保持空气干净                   4.对…有害

5.在河里                         6.a lot of energy

7.draw a rubbish bin first            8.many other things

9.drive too much                  10.come from trees

三、用所给单词的适当形式填空。

1.We should _______ (eat)fruit and vegetables every day.

2.Mr Green _______(drink)too much yesterday.

3._______(not)waste water,please.

4.Helen and Tim _______(be) in Japan last summer holiday.

5.There are three plastic _______ (bottle)on the table.

6.We use wood ________(make)things.

7.The books are _______(use).

8.What _______ (make)the air clean?

9.Mike would like _______ (play)computer games.

10.________ (protect)the Earth,we can reuse many things.