The writer points out that writing and discussion on crime prevention ______.
A. are not based on facts and not systematic
B. involve profound thinking
C. are ideological and scientific
D. are not explicitly expressed
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Natural pollutants can play an important role in controlling air pollution because they ______.
A. occur in greater quantities than other pollutants
B. are less harmful to living beings than are other pollutants
C. have existed since the Earth developed
D. function as part of a purification process
Woman: We heard about you and Julie! Man: You mean about our engagement？ Who's got the big
A. Julie has a large mouth.
B. They made their engagement public.
C. The news of their engagement is spreading.
D. The man thinks the woman gossips too much.
Almost all companies involved in new production and development must ______.
A. borrow large sums of money from friends and people they know
B. rely on their own financial resources
C. depend on the population as a whole for finance
D. persuade the banks to provide them with long-term finance
The last sentence of this passage indicates that ______.
A. businesses trying to get publicity is a part of the Olympic Games
B. the Olympic organizers are not interested in the Olympic non-sponsors' doing
C. businesses must try very hard to earn money from the Olympic Games as if they were themselves competing in the Games
D. those who fail to sponsor the Olympics this time will try very hard the next time
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