2. 外语
  3. Opinion polls repeatedly tell us that the only thing Americans worry about more than the environment is their health. This is【B1

Opinion polls repeatedly tell us that the only thing Americans worry about more than the environment is their health. This is【B1

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问题     Opinion polls repeatedly tell us that the only thing Americans worry about more than the environment is their health. This is【B1】understandable, for health is obviously【B2】to illness. What makes today’s concern【B3】health slightly surprising is that Americans are【B4】healthier now than they. have ever been. Many diseases that once【B5】terror into hearts have either been completely【B6】or brought under control. Although AIDS is a notable【B7】, few new mass killers have come out to【B8】the ones that have been eliminated.【B9】, health—and the various threats to it—remains everyone’s【B10】concern. After all, more than half of us(57 percent) will die from either heart disease or cancer, if current【B11】continues.
    One major problem with any【B12】of health risks—especially life-threatening ones is that they【B13】enormously in their immediacy. For instance, AIDS If you get it—will probably be【B14】after a number of years. Cancer induced by smoking or【B15】to radiation, on the other hand, may take 20 to 30 years【B16】its fatal effects show【B17】. In making choices about health risks,【B18】, it is important to bear in【B19】the likely time lag between taking a risk and【B20】its consequences.
选项 A、entirely
B、chiefly
C、exclusively
D、mostly
答案A
解析 语义衔接题。首句点明了本篇的主题Americans worry about more than the environment is their health，即美国人更关心他们的健康，由此可知本篇的重点是谈论健康。空格所填的词修饰understandable,选项A符合题意，指这种对健康的关注是完全可以理解的。选项B“主要地”；选项C“专有地”；选项D“大部分”。
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