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

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

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问题 Certain animal behaviors, such as mating rituals, seem to be ______, and therefore ______ external 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 形容词词义及动词词组辨析。由题干中的mating rituals(交配仪式)判定此种行为应该是天生的。选项中，unaffected by与后面external factors(外部因素)搭配符合逻辑，故答案为B。
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