2. 外语
  3. Although cosmic objects have struck Earth since the planet’s very formation, humanity has only recently become aware of these ev

Although cosmic objects have struck Earth since the planet’s very formation, humanity has only recently become aware of these ev

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问题 Although cosmic objects have struck Earth since the planet’s very formation, humanity has only recently become aware of these events: two centuries ago the idea that objects orbiting the Sun could collide with Earth was widely______.
A ridiculed
B doubted
C disseminated
D promulgated
E marginalized
F disbelieved
选项
答案B,F
解析 The colon introduces an example that explains or demonstrates the former lack of awareness about cosmic collisions with Earth. Because people were not aware of the existence of events of this type, the idea of their possibility would not have been "disseminated" or "promulgated." Although "ridiculed" and "marginalized" make sense when inserted into the blank, they do not produce sentences with the same meaning, which "doubted" and "disbelieved" do.
Thus the correct answer is doubted(Choice B)and disbelieved(Choice F).
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