(
2
) (4
) (5
) (3
) (6
) (1
)答案：（2 4 5 3 6 1）
1. Please put your
2. There was much black
3. There are thirteen
4. The fish are
dirty
/'dɜːti/ socks in the basket. You can wash them tomorrow.2. There was much black
smoke
/sməʊk/ from the factory. It made the air dirty.3. There are thirteen
cities
/'stɪts/ in Jiangsu.4. The fish are
dead
because the water is very dirty
.答案：1. dirty 2. smoke 3. cities 4. dead, dirty
(
A.of; making
B.from; made
C.from; make
B
)1.Smoke ______ cars ______ the air dirty.A.of; making
B.from; made
C.from; make
答案：B
(
—There was so ______ rubbish in the street.
A.makes; many
B.made; many
C.made; much
C
)2.—What ______ the city messy?—There was so ______ rubbish in the street.
A.makes; many
B.made; many
C.made; much
答案：C
(
A.keeping
B.keep
C.to keep
C
)3.You can walk to school ______ your body strong.A.keeping
B.keep
C.to keep
答案：C
(
A.keep
B.keeps
C.keeping
A
)4.Trees can help ______ the air clean.A.keep
B.keeps
C.keeping
答案：A
(
A.walk at
B.walk to
C.walk for
B
)5.—Let's ______ school now. —OK.A.walk at
B.walk to
C.walk for
答案：B
(
A.was
B.have
C.are
A
)6.There ______ rubbish in the river.A.was
B.have
C.are
答案：A
(
A.Here you are.
B.Well done!
C.Thank you.
B
)7.—Look! I can skate. —______A.Here you are.
B.Well done!
C.Thank you.
答案：B
四、将下列句子排列成一段通顺的对话。
(
(
(
(
(
(
(
(
3
)The water becomes black and dirty.(
2
)They're dumping(倾倒) rubbish into the river.(
1
)Look at the men. What are they doing by the river?(
5
)What should we do now?(
6
)Let's go and tell them not to dump rubbish into the river.(
4
)And the fish are dead too.(
7
)We should also call on(呼吁) people to protect the environment.答案：3 2 1 5 6 4 7