We cannot tell when an earthquake is coming.

We cannot tell when an earthquake is coming.

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We tend to make mistakes when we are nervous.

We tend to make mistakes when we are nervous.

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古代的“鼎”最初是一种()A.礼器B.炊具C.盛酒器D.传国重器

古代的“鼎”最初是一种()A.礼器B.炊具C.盛酒器D.传国重器

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