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  3. We should also know that "greed" has little to do with the environmental crisis. The two main causes are population pressures, e

We should also know that "greed" has little to do with the environmental crisis. The two main causes are population pressures, e

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问题    We should also know that "greed" has little to do with the environmental crisis. The two main causes are population pressures, especially the pressures of large metropolitan populations, and the desire—a highly commendable(praiseworthy)one—to bring a decent living at the lowest possible cost to the largest possible number of people.
   The environmental crisis is the result of success—success in cutting down the mortality (死亡率)of infants (which has given us the population explosion), success in raising farm output sufficiently to prevent mass famine (which has given us contaminati9n by pesticides and chemical fertilizers), success in getting people out of the houses of the 19th-century city and into the teenager and privacy of the single-family home in the suburbs(which has given us urban sprawl and traffic jams). The environmental crisis, in other words, is largely the result of doing too much of the right sort of thing.
   To overcome the problems that success always creates, one must build on it. But where to start? cleaning up the environment requires determined, sustained effort with clear targets and deadlines. It requires, above all, concentration of effort UP to now we have tried to do a little bit of everything—when what eve ought to do first is draw up a list of priorities.
The passage indicates that the conditions that led to overcrowded roads also brought about______.
选项 A、more attractive .living conditions for many people
B、a healthier younger generation
C、greater occupational opportunities
D、the population explosion
答案A
解析 第二段中间说“……成功地使人们以19世纪的城市家园中走出，来到独门独户、无人扰、草木葱茏的郊区生活(这给我们带来了城市扩大、交通阻塞的问题)”。可见导致道路过分拥挤也会给许多人带来更有魅力的居住环境。因而选[A]。
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