( ) 2. We ______ reuse and save water.
A. can't
B. should
C. shouldn't

B

（ ）3. There is not ______ coal on Earth.
A. a
B. many
C. much

C

（ ）4. We often use ______ to make desks and chairs.
A. water
B. oil
C. wood

C

( ) 5. Trees help ______ the air clean.
A. keeping
B. keeps
C. keep

C

六、根据中文提示完成句子。
1. 汽车使用大量的能源。
______ use ______ ______ ______ energy.
2. 我们不应该使用太多的塑料袋。
We ______ ______ too ______ plastic bags.
3. 我们可以使用木头制造许多东西。
We ______ ______ wood ______ ______ many things.
4. 请不要扔垃圾到河里。
______ throw the rubbish ______ the ______.
5. 请捡起地上的塑料瓶。
Please ______ ______ the plastic ______ on the ground.

Cars
; a
; lot
; of
; shouldn't
; use
; many
; can
; use
; to
; make
; Don't
; in
; river
; pick
; up
; bottles

七、阅读理解。
Water has no colour, no shape, no taste, and no smell. Water is everywhere. It's in the ocean, in the sea, in the river and in the lake.
Water is useful. We use water to cook rice. We use water to wash clothes. We use water to take showers. We use water to put out fires(灭火).
Water brings us happiness, too. We can swim in the swimming pool in summer. People in China have the dragon boat race in the river.
Nothing can live without it. We should keep our water clean and protect our Earth.
根据短文内容，判断正(T)误(F)。
（ ）1. Water has no colour, no shape, no taste, and no smell.
（ ）2. People in Canada have the dragon boat race in the river.
（ ）3. Nothing can live without water.
（ ）4. Water can't bring us happiness.
（ ）5. We can use water to do many things.

T
; F
; T
; F
; T