1. Please put your
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
(
B
)1.Smoke ______ cars ______ the air dirty.
A.of; making
B.from; made
C.from; make
答案：B
(
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
(
C
)3.You can walk to school ______ your body strong.
A.keeping
B.keep
C.to keep
答案：C
(
A
)4.Trees can help ______ the air clean.
A.keep
B.keeps
C.keeping
答案：A
(
B
)5.—Let's ______ school now. —OK.
A.walk at
B.walk to
C.walk for
答案：B
(
A
)6.There ______ rubbish in the river.
A.was
B.have
C.are
答案：A
(
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
