问答题

  什么是笼蔽效应（Cage Effect）？

【参考答案】

由于初级自由基受溶剂分子包围，限制了自由基的扩散，导致初级自由基的偶合（或歧化）终止，使引发效率f降低。
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‍By saying “My dog could tell the difference between bottled and tap water” (Line 3 Para. 2), Von Wiesenberger wants to convey the message that ________.‎
A．plain tap water is certainly unfit for drinking
B．bottled water is clearly superior to tap water
C．bottled water often appeals more to dogs taste
D．dogs can usually detect a fine difference in taste
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