B
1.Water is ______.
A.use
B.useful
C.waste
答案：B
(
C
) 2.We should not ______ so much.
A.to drive
B.driving
C.drive
答案：C
(
A
) 3.Most of our energy comes ______ coal and oil.
A.from
B.of
C.in
答案：A
(
B
) 4.We should not cut down too ______ trees because trees help keep the air clean.
A.much
B.many
C.a lot
答案：B
(
B
) 5.We should not use too ______ plastic.
A.many
B.much
C.very
答案：B
四、看图,从方框中选择合适的词组或句子。
A. save water B. Don’t throw rubbish. C. should not drive so much D. cut down trees
E. Don’t use too much plastic. F. Don’t smoke.
1.
D
2.
E
3.
C
4.
F
5.
A
6.
B
答案：1. D 2. E 3. C 4. F 5. A 6. B
