[单项选择]Who is hurt by air pollution


A. The buyer.
B. The seller.
C. Both the buyer and the seller.
D. None.

[单项选择]Who is hurt by air pollution


A. The buyer.
B. The seller.
C. Both the buyer and the seller.
D. None.

[单项选择]

Passage Five
Scientists claim that air pollution causes a decline in the world’ s average air temperature. In order to prove that theory, ecologists have turned to historical data in relation to especially huge volcanic eruptions. They suspect that volcanoes effect weather changes that are similar to air pollution.
One source of information is the effect of the eruption of Tambora, a volcano in Sumbawa, the Dutch East Indies ( the former name of the Republic of Indonesia) ,in April 1815. The largest recorded volcanic eruption, Tambora threw 150 million ton of fine ash into the stratosphere. The ash from a volcano spreads worldwide in a few days and remains in the air for years. Its effect is to turn in coming solar radiation into space and thus cool the earth. For example, records of weather in Eng land show that between April and November 1815, the average temperature had fallen 4.5°F during the next twenty-four months, England suffered one of th
A. Weakened
B. Improved
C. Depreciated
D. Declined

[单项选择]The author mentions people dying of air pollution in ______.
A. Illinois
B. Pennsylvania
C. New Jersey
D. Washington

[单项选择]Air pollution causes airplane accidents because ______.
A. pilots become ill
B. visibility is reduced
C. engines fail.
D. the air is too hot

[单项选择]I hope all the precautions against air pollution, ______ are suggested by the local government, will be seriously considered here.
A. as
B. while
C. after
D. since

[单项选择]Because of air pollution being greatly reduced, this city is still ______.
A. a good place in which to live
B. a good place to live in
C. lived as a good place
D. living in as a good place

[单项选择]That boys suffer more from air pollution can possibly be justified by the fact that
A. the male have larger bones than the female.
B. women can manufacture blood more efficiently than men.
C. men usually breathe more deeply than women.
D. women breathe as often as men.