2. 外语
  3. The only safe way of distinguishing between edible and poisonous mushrooms is to learn to______the individual species.

The only safe way of distinguishing between edible and poisonous mushrooms is to learn to______the individual species.

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问题 The only safe way of distinguishing between edible and poisonous mushrooms is to learn to______the individual species.
选项 A、identify
B、classify
C、isolate
D、separate
答案A
解析 本题空格处是说学会识别单独的种类。A项identify“识别”符合题意，如：The markings are so blurred that it is difficult to identify．(标记模糊不清，难以识别。)其他三项classify“分类”，isolate“使孤立”，separate“分离”都不正确。
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