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Humans are forever forgetting that they can’t control nature. Exactly 20 years ago, a Time magazine cover story announced that "
Humans are forever forgetting that they can’t control nature. Exactly 20 years ago, a Time magazine cover story announced that "
admin
2010-07-06
32
问题
Humans are forever forgetting that they can’t control nature. Exactly 20 years ago, a Time magazine cover story announced that "scientists are on the verge of being able to predict the tome, place and even the size of earthquakes." The people of quake-ravaged Kobe learned last week how wrong that assertion was.
None of the methods conceived two decades ago has yet to discover a uniform warning signal that preceded all quakes, let alone any sign that would tell whether the coning temblor is mild or a killer. Earthquake formation can be triggered by many factors, says Hiroo Kanamori, a seismologist at the California Institute of Technology, so, finding one all-purpose warning sign is impossible. One reason: Quakes start deep in the earth, so scientists can’t study them directly. If a quake precursor were found, it would still be impossible to warn humans in advance of all dangerous quakes, places like Japan and California are riddled with hundreds, if not thousands, of minor faults.
Prediction would be less important if scientists could easily build structures to withstand tremors. While seismic engineering has improved dramatically in the past 10 to 15 years, every new quake reveals unexpected weaknesses in "quake-resistant" structures, says Terry Tullis, a geophysicist at Brown University. In Kobe, for example, a highway that opened only last year was damaged. In the Northridge earthquake, in the other hand, well-built structures generally did not collapse...
A recent report in science adds yet more anxiety about life on tile faulty lines. Researchers ran computer simulations to see how quake-resistant buildings would fare in a moderate-size temblor, taking into account that much of a quake’s energy travels in a large "pulse" of focused shaking. The results: Both steel-frame buildings and buildings that sit on insulating rubber pads suffered severe damage.
More research will help experts design stronger structures and possibly find quake precursors. But it is still a certainty that the next earthquakes will prove once again that every fault cannot be monitored and every highway cannot be completely quake-proofed.
From what the author said in Para. 1, it can be inferred that______.
选项
A、scientists can never be able to predict the coming of earthquakes.
B、the existing power on predicting earthquakes is somewhat exaggerated.
C、quite a lot of scientific assertions are groundless.
D、earthquake predictions are beyond the reach of scientists.
答案
B
解析
本题为推理题。在文章的第一句话,作者就点出主题:人类忘记了他们永远都不能控制自然。接下来,作者提到了Time 杂志有关人们可以准确预知地震的文章。本段最后作者以神户大地震为依据提到这种看法是完全错误的。因此答案选B。
转载请注明原文地址:https://kaotiyun.com/show/jnDd777K
本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
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公共英语四级笔试
公共英语(PETS)
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