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Experiments in which animals live in artificial surroundings show that ______. Animals try to avoid their enemies by ______.
Experiments in which animals live in artificial surroundings show that ______. Animals try to avoid their enemies by ______.
admin
2009-04-23
59
问题
Experiments in which animals live in artificial surroundings show that ______.
Animals try to avoid their enemies by ______.
选项
答案
reducing activity at certain times
解析
由题干enemies可定位至第二段第三句…they make the animal less conspicuous to its enemies(它们使得动物对其天敌来说不太显眼),其中they指的是该段开头提到的daily periods of reduced activity,即休息时间。
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0
大学英语四级
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