2016年12月英语四级听力练习集181
听力材料
Professors from Yale University agreed in a paneldiscussion tonight [26]that the automobile was whatone of them called "Public Health Enemy No. 1 in ThisCountry". Besides polluting the air and overcrowdingthe cities, [27]automobiles could cause heart disease"because we don't walk anywhere any more," said Dr.H. P. Richard Weinerman, professor of medicine andpublic health. Dr. Weinerman's sharp accusation against the automobile came in a discussionof human environment on Yale Reports, a radio program broadcast by Station WTIC inHartford, Connecticut. The program opened a three-part series on "Staying Alive". [28]"For thefirst time in human history, the problem of man's survival has to do with his control of man-made hazards," Dr. Weinerman said. "Before this, the problem had been the control of naturalhazards."
Questions 26 to 28 are based on the passage you have just heard.
26. What is the main idea of the passage?
[C]解析：短文开头即称汽车是“该国公共健康的头号敌人”，整篇文章即围绕此主题展开，故答案C。短文开头句通常是主题所有，听出automobile和health enemy No.1，即可准确答题。
27. Why could automobiles cause heart disease?
[D]解析：短文说，“因为我们去什么地方都不再走路，所以汽车也能引发心脏病”，由此选D。听到什么选什么。信号词because后的内容即是答案。walk原词再现。
28. For the first time, what does the problem of man's survival have to do with?
[D]解析：短文说，“在人类历史上，人的生存问题次与控制人造危险相关联了”，故选D。the firsttime，语义突出，其后的内容是听音重点。
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