2. 外语
  3. Certain animal behaviors, such as mating rituals, seem to be ______, and therefore ______ extemal factors such as climate change

Certain animal behaviors, such as mating rituals, seem to be ______, and therefore ______ extemal factors such as climate change

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问题 Certain animal behaviors, such as mating rituals, seem to be ______, and therefore ______ extemal factors such as climate changes, food supply, or the presence of other animals of the same species.
选项 A、learned...immune to
B、innate...unaffected by
C、intricate...belong to
D、specific...confused with
答案B
解析 learned…immune to“学到的……不受感染”；innate…unaffected by“先天的…… 不受影响”；intricate…belong to“复杂的……属于”；specific…confused with“特定的……混 淆”。根据句意和各个选项的意思可知，正确答案是B。
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