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【单选题】
精液常规检查的目的，哪不确切的A.
评价男性的生育能力
B.
诊断男性不育症
C.
诊断泌尿生殖系统疾病
D.
观察输精管结扎术效果
E.
检查男性性传播疾病
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举一反三
【单选题】The book is borrowed from the library, so you ______ your children put dots and lines here and there.
A.
should have left
B.
ought not to have let
C.
needn't have let
D.
mustn't have let
【简答题】Where does your food come from? How is it made? These days, many people worry about food safety. But food safety is not a new worry. In 1906, Upton Sinclair wrote the Jungle. The book is the story of ...
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