2. 外语
  3. A particular bacterium that has never encountered a particular virus will usually succumb to it, a______that may, surprisingly,

A particular bacterium that has never encountered a particular virus will usually succumb to it, a______that may, surprisingly,

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问题 A particular bacterium that has never encountered a particular virus will usually succumb to it, a______that may, surprisingly, be beneficial to the colony in which the bacterium lives.
A susceptibility
B theory
C characteristic
D juxtaposition
E collision
F hypothesis
选项
答案A,C
解析 The blank calls for words that can refer to the tendency of a bacterium to be killed by an unfamiliar virus. "Susceptibility" and "characteristic," although not synonyms, can both be used to indicate this trait, and because it is clear that they are both referring to the same behavior, they produce sentences alike in meaning. The other choices contain a pair of synonyms—"theory" and "hypothesis"—that might at first seem tempting. But these, along with the other two choices, cannot aptly be used to characterize the typical behavior of bacteria, so they are all incorrect.
Thus the correct answer is susceptibility(Choice A)and characteristic(Choice C).
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