极限
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参考答案：0
解析：[考点提示] 求极限． [解题分析] 因[*]，且sinx和cosx均为有界函数，故 [*]
Many people say that they are annoyed by the U.S. News pictures.
A.Right
B.Wrong
C.Not mentioned
在水电解装置中，需自动控制哪四个主要参数？
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