A、Kids should learn not to be afraid of monsters. B、Firefighters play an important role in America. C、Carelessness can result in

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问题  

选项 A、Kids should learn not to be afraid of monsters.
B、Firefighters play an important role in America.
C、Carelessness can result in tragedies.
D、Informative speeches can save lives.

答案D

解析
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