科目:初中英語 來源: 題型:
( ) 5. Tom is very good at science his brother Jimmy knows nothing about it.
A. if B. when
C. while D. because
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科目:初中英語 來源: 題型:
What is pollution?
Pollution means a 1 dirty or harmful things to land,air,water and so on. It is bad for animals and plants,and it even makes people's health in d 2 . In our daily life,we can see different kinds of pollution in many places. There are t 3 main forms of pollution;land pollution,air pollution and water pollution.
Land pollution is caused by solid(固體的) waste,such as cans,bottles and some o 4 things. It makes the environment look very bad. However,air pollution is more s 5 than land pollution. It is much worse in cities and towns because of the fumes (廢氣)from traffic and the waste from human activities. When people d 6 their cars,they produce fumes with C02,N02 and S02. The fumes does great h 7 to people's health. And human activities are also the main r 8 for water pollution. In some places,it has caused the shortage of fresh water.
Different kinds of pollution will c 9 many health problems. People have realized (意識到)they must change this serious situation.
We have only one e 10 We must try our best to help protect our environment for the future wherever we are.
1. 2. 3. 4.
5. 6. 7. 8.
9. 10.
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科目:初中英語 來源: 題型:
( ) 5. She is a hard-working teacher. it was very late at night,she still went on working.
A. Because B. Even
C. Since D. Although
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科目:初中英語 來源: 題型:
5. 上海的磁懸浮列車最高時速可達(dá)每小時431千米。
The maglev train in Shanghai can reach________________________ 431 km per hour.
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