2. 外语
  3. Doctors initially feared that antibiotics would have______effect, destroying healthy tissue as well as harmful bacteria.

Doctors initially feared that antibiotics would have______effect, destroying healthy tissue as well as harmful bacteria.

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问题 Doctors initially feared that antibiotics would have______effect, destroying healthy tissue as well as harmful bacteria.
选项
答案A，B
解析 逗号说明前后同义重复。空格与destroying healthy tissue as well as harmful bacteria(在消灭有害细菌的同时破坏健康组织)同义重复。deleterious有害的，pernicious有害的，salutary有利的，antiquated过时的，infinitesimal微小的，minuscule微小的。答案选AB。注：这里infinitesimal和minuscule是干扰项，问表示“微小的”。
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