2. 外语
  3. This passage mainly discusses how epidemics spread and how to prevent in advance. Antibiotics have been proved not effective in

This passage mainly discusses how epidemics spread and how to prevent in advance. Antibiotics have been proved not effective in

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问题 This passage mainly discusses how epidemics spread and how to prevent in advance.
Antibiotics have been proved not effective in preventing against viruses.
选项 A、Y
B、N
C、NG
答案A
解析 本题定位词是Antibiotics，所以应将目标锁定在对此有所提及的第三段。第三段中间对 antibiotics进行解释说明的部分指出抗生素是用来杀死细菌、治疗感染的(is used to kill bacteria and cure infections)，末尾又明确提到Antibiotics are useless against viruses，即抗生素对抵抗病毒毫无用处。题干是说抗生素被证实在抵抗病毒方面没有效果，表述完全符合原文。
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大学英语四级

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