临产后的胎心监护,错误的是

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滴虫阴道炎的传播方式不包括

滴虫阴道炎的传播方式不包括A.衣物传播 B.性交传播  ^-^ ^-^ C.公共浴池传播 D.母婴垂直传播 E.不洁器械和敷料传播

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Why do many of the boys avoid certain instruments?

Why do many of the boys avoid certain instruments?A. Because they find it not ch

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Why is all life in danger? Because break up the food chains.

Why is all life in danger? Because break up the food chains.A. human beings B. a

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