2. 职称英语
  3. Chimpanzees are frequently used as stand-ins for human beings in experiment.A、pa

Chimpanzees are frequently used as stand-ins for human beings in experiment.A、pa

游客2023-12-27  69
问题 Chimpanzees are frequently used as stand-ins for human beings in experiment.
选项 A、partners
B、role-models
C、stand-bys
D、substitute
答案 D
解析 本题中，stand-ins的意思是“替代品”。四个选项中，substitute的意思是“替身，替代品”，如：use plastics as a substitute for steel(用塑料做钢的代用品)。partner的意思是“合伙人，股东”；role-model的意思是“典型”；stand—by的意思是“后备人员”。只有D项符合题意。
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