[单项选择]

Passage 3
In spite of rising concern in the Northeast and Canada, Administration spokesmen have repeatedly insisted that nothing could really be done about acid rain and the industry-produced sulfur emissions until all the scientific facts were in. Suddenly last week, however, facts came raining down, in effect making further scientific debate on what mainly causes the problem all but irrelevant.
What brought about the downpour was a study commissioned by Presidential Science Adviser. The spokesmen plainly called for remedial action even if some technical questions about acid rain were still unanswered. "If we take the conservative point of view that we must wait until the scientific knowledge is definitive," said the spokesman, "The accumulated deposition and damaged environment may reach the point of ’irreversibility.’"
When it rains, it pours. Next came a study from the National Research Council. Its defi
A. the Administration has ignored the public anxiety about acid rain
B. the industrial sulfur emissions need further scientific verification
C. the spokesmen have denied the presence of proofs of acid rain
D. scientific evidence has made the cause of acid rain undebatable

[单项选择]

Passage 3
In spite of rising concern in the Northeast and Canada, Administration spokesmen have repeatedly insisted that nothing could really be done about acid rain and the industry-produced sulfur emissions until all the scientific facts were in. Suddenly last week, however, facts came raining down, in effect making further scientific debate on what mainly causes the problem all but irrelevant.
What brought about the downpour was a study commissioned by Presidential Science Adviser. The spokesmen plainly called for remedial action even if some technical questions about acid rain were still unanswered. "If we take the conservative point of view that we must wait until the scientific knowledge is definitive," said the spokesman, "The accumulated deposition and damaged environment may reach the point of ’irreversibility.’"
When it rains, it pours. Next came a study from the National Research Council. Its defi
A. a heavy fall of acid rain
B. a sudden thunderstorm
C. a series of criticism
D. a succession of evidence

[单项选择]

Passage Three
in spite of "endless talk of, difference," American society is an amazing machine for homogenizing people. This is "the democratizing uniformity of dress and discourse, and the casualness and absence of consumption" launched by the 19th century department stores that offered vast arrays of goods in an elegant atmosphere. Instead of intimate shops catering to a knowledgeable elite, "these were stores, anyone could enter, regardless of class or background D. This turned shopping into a public and democratic act. The mass media, advertising and sports are other forces for homogenization.
Immigrants are quickly fitting into this common culture, which may not be altogether elevating but is hardly poisonous. Writing for the National Immigration Forum, Gregory Rodriguez reports that today% im- migration is neither at unprecedented level nor resistant to assimilation. In 1998 immigrants were 9.8 percent of population; in 1900,
A. identifying
B. associating
C. assimilating
D. monopolizing

[填空题]Passage Five Rising carbon dioxide levels leads to global warming. The industrialized world has been the main protagonist given that carbon dioxide lasts about 100 years in the atmosphere, but as the developing nations become increasingly mechanized and urbanized, the balance is shifting. Indeed, the carbon emissions of Asia more than doubled from 1990 onwards.

[单项选择]In spite of rising concern in the Northeast and Canada, Administration spokesmen have repeatedly insisted that nothing could really be done about acid rain and the industry-produced sulfur emissions until all the scientific facts were in. Suddenly last week, however, facts came raining down, in effect making further scientific debate on what mainly causes the problem all but irrelevant. 　　What brought about the downpour was a study commissioned by Presidential Science Adviser. The spokesmen plainly called for remedial action even if some technical questions about acid rain were still unanswered. "If we take the conservative point of view that we must wait until the scientific knowledge is definitive," said the spokesman, "the accumulated deposition and damaged environment may reach the point of ’’irreversibility’’." 　　When it rains, it pours. Next came a study from the National Research Council. Its definitive conclusion: reducing emissions of sulfur dioxide from coal-burning power p
A. a heavy fall of acid rain.
B. a sudden thunderstorm.
C. a series of criticism.
D. a succession of evidence.