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  3. The passage summarizes harmful effects of animal experiment. However, as animal experiment is indispensable in a number of areas

The passage summarizes harmful effects of animal experiment. However, as animal experiment is indispensable in a number of areas

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问题 The passage summarizes harmful effects of animal experiment. However, as animal experiment is indispensable in a number of areas, it might not be stopped or replaced by other alternatives.
Animal experiments are needed in research to find new drugs and vaccines, and to find ways of protection from the toxicity of chemicals.
选项 A、Y
B、N
C、NG
答案A
解析 根据题目中的new drugs，toxicity of chemicals回到文章定位信息。在第一部分第二段，可以判断此题符合文章的内容。
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大学英语四级

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