Can you imagine what problem may ______ when human beings are cloned?A．raiseB．ca_刷题宝

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Can you imagine what problem may ______ when human beings are cloned?

A．raise	B．cause
C．arise	D．lead

上一题下一题 0.64难度单项选择更新时间:2014-11-22 03:23:36

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