题目列表(包括答案和解析)
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No air means death. Though we can't see it, there is air all around us, so air is everywhere and gives life to every living thing.
Without it we can't live. Bad air makes people ill. We must have fresh air to keep us in good health.
In the city there are many people and there are too many cars running on the roads the gas which the cars spread
(传播)out is full of poison(有毒). Every day we breathe it in again and again. This makes us feel sick.Besides the cars, there are many factories too. From the chimneys (
烟囱) of these factories, we get the smoke usually back and grey in colour. This kind of smoke, when mixed with air, is dangerous to our health because it contains many poisonous gas. So in order to keep ourselves healthy we should go out to the countryside to breathe more fresh air.Choose the best answer:
(1) Air is very important because ________.
[
]A. we can't see it.
B. It is everywhere.
C. It gives life to every living thing.
D. It does no harm to people's health.
(2) We must have fresh air to ________.
[
]|
A .make our room healthy |
B .keep us healthy |
|
C .keep our house clean |
D .see every thing clearly |
(3) The gas which the cars spread out is ________ the black smoke that comes out of the factories.
[
]|
A .as grey as |
B .as much as |
|
C .as dense(浓密的)as |
D .as little as |
(4) In the city, the air is not so clean as that ________.
[
]|
A .in factories |
B .out of doors |
|
C .in the countryside |
D .indoors |
(5) We can't get more fresh air when we are in ________.
[
]|
A .hills |
B .countryside |
|
C .seaside |
D .big cities |
I like ______ in the countryside.
[ ]
|
A .lives |
B .live |
C .living |
D .to lived |
No air means death, although we cannot see it. Here is air around us, so air is everywhere and it gives life to everything. Without it we can not live. Bad air makes people ill. We must have fresh air to keep us in good health.
In the city there are a great many people and there are too many cars running on the road. The gas which the cars spread out is full of poison (毒素). Every day we breathe (呼吸) it in and out. This makes us feel sick. Therefore people should go out of door as much as they can.
Besides so many cars, there are many factories, too. From the chimneys of these factories, we see the smoke usually in black or green colour.
This kind of smoke, when it mixes (混合) the air, is dangerous to our health. It is because smoke contains (含有) many small poisonous soils and gases. So in order to keep us healthy we have to go out to the countryside to breathe more fresh air. Or we can go up hills to get more fresh air.
(1)Which of the following title is best for this passage?
[ ]
A.Air B.Fresh C.Breathing Air
(2)________ could live without air.
[ ]
A.Fish B.Any thing C.Nothing
(3)Although we can't see it, there is ________ all around us.
[ ]
A.air B.water C.smoke
(4)Air gives ________ to all living things.
[ ]
A.life B.cleath C.health
(5)We must have fresh air to keep us ________.
[ ]
A.breathy B.healthy C.wealthy
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