2. 外语
  3. As the generations progress, feather length will increase because females do not prefer a specific length tail, but a longer-tha

As the generations progress, feather length will increase because females do not prefer a specific length tail, but a longer-tha

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问题 As the generations progress, feather length will increase because females do not prefer a specific length tail, but a longer-than-average tall. Eventually tail length will increase to the point______the liability survival is matched by the sexual attractiveness of the trait and an equilibrium will be established.
选项 A、that
B、where
C、which
D、/
答案B
解析 the point是定语从句的先行词，在从句中做状语，用where引导。
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