2. 考研
  3. This leaves us with the challenge of finding some politically practicable way to reduce greenhouse gas emissions. But it is an a

This leaves us with the challenge of finding some politically practicable way to reduce greenhouse gas emissions. But it is an a

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问题     This leaves us with the challenge of finding some politically practicable way to reduce greenhouse gas emissions. But it is an awkward truth that when most U. S. senators were asked informally in 2000 if they would support the Kyoto Protocol should President George W. Bush send it to the Senate for ratification, the overwhelming majority, Democrats as well as Republicans, said they could not. The reason for the liberals’ surprising reply is clear. Many studies, not all by conservatives , suggest that full compliance with the terms of the Kyoto Protocol would likely lead to a deep American recession. For those willing to run this risk, sober reflection on the consequences of the economic collapse of 1929 and the subsequent worldwide depression with all its political and ultimately military consequences is certainly in order.
    That said, what can be done, in particular by our own country? Independent of the issues raised by the Kyoto Protocol, and given the weight of evidence that the problem of global warming is serious and fraught with dire consequences, failure to do anything at all and instead to promote "business as usual’ is downright criminal.
    Yet the Bush administration has given no more than lip service to the problem, though that could be changing. It is one thing to weigh alternatives and implement compromises drat reflect the complexity of the problem; it is quite another thing to do nothing, especially if doing nothing is just a way of securing support from certain industries that worsen the problem.
    There are, after all, things that can be done. Reopening a serious international dialogue, and not just saying a few good words, would be a useful if inadequate start. Not every problem must be solved before the weight of evidence becomes so compelling that certain initial steps become almost mandatory. We already know how to make more fuel-efficient automobiles, yet no national policy has surfaced to accomplish this. The scientific and engineering communities are the ones best suited to identify the scientific research that is still needed and the technical projects that show the greatest promise. These issues should be decided by them and not the politicians. Once solutions look promising, as a few already do, industry will be all too ready to jump in, for at that stage there is money to be made. And only a fool would underestimate human ingenuity when given a proper incentive, or the strength of American industry once the boiler is lit under it.
The author suggests all of the following measures EXCEPT_____.
选项 A、reopening a serious international dialogue
B、overcoming all difficulties before starting
C、conducting scientific researches concerned
D、doing the most promising technical projects
答案B
解析 通过“Not every problem must be solved before the weight of evidence becomes so compelling that certain initial steps become almost mandatory．”可知，在采取措施之前，并不需要解决好所有的问题。据此可知，应选择B。
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