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发布时间:2024-05-30 04:02:31

[简答题]Cars are responsible for most of the smog in cities,______(这已经对环境造成了严重的污染).

更多"Cars are responsible for most of th"的相关试题:

[填空题]Smog has become the most serious type of pollution.
[填空题]Dutch settlers in New York were most responsible for ______.
[填空题]Smog is fateful.
[单项选择]
D

American cities are similar to other cities around the world: In every country, cities reflect the values of the culture. American cities are changing, just as American society is changing.
After World War U , the population of most large American cities decreased ; however, the population in many Sun Belt cities increased. Los Angeles and Houston are cities where population shifts(转移) to and from the city reflect the changing values of American society. In the late 1940s and early 1950s, city residents (居民) became wealthier. They had more children so they needed more space. They moved out of their apartments in the city to buy their own homes. They bought houses in the suburbs (郊区).
Now things are changing. The children of the people who left the cities in the 1950s are now adults. Many, unlike their parents, want to live in the cities. They continue to move to Sun Belt cities and older ones of the Northeas
A. They are alive.
B. They are hopeless.
C. They are similar.
D. They are different.

[填空题]New York is one of the (11) large American cities to have. some of its policemen on horseback. The New York Police have 170 horses that they use in certain parts of the city. The horses are expensive to (12) , but it needs even more special horseshoes. In fact, they need more than (13) of them each year. Every police horse in New York gets new shoes every month. (14) these shoes in good repair is the job of six black-smiths. There are only about thirty-five of these blacksmiths in the (15) United States.
[填空题]Photochemical smog exists mainly in big cities.
[填空题]Smog is caused by chemical reactions between pollutants derived from different sources, primarily automobile exhaust and industrial emissions.
[单项选择]
C

根据下面短文回答下列问题。
David likes working in big cities, but he lives with his family in a small town, so he has to take a bus to work in the city every day. It takes him about an hour to get to work in the morning and another hour to get home in the evening. At first he didn’t mind that because he thought his work in the city was interesting. But now, he is beginning to feel that he spends too much time getting to and from work, so he thinks that it is better for him to find a house and live in the city.
David wants to live in cities because he likes city life. [A] True [B] False

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