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问题 单项选择题 A1/A2型题

慢性前列腺炎前列腺镜检的标准是（）

A.每高倍视野白细胞或脓细胞5个以上

B.每高倍视野白细胞或脓细胞20个以上，卵磷脂小体减少

C.每高倍视野白细胞或脓细胞10个以上，卵磷脂小体减少

答案

参考答案：C

选择题

根据句意，用括号中所给单词的正确形式填空。

小题1:The boy is very rude so he is _________ (popular) with his classmates.

小题2:The brave boy was in hospital and many ________ (visit) came to see him.

小题3:The father makes his son ________ (clean) his own bedroom every day.

小题4:When autumn comes, ________ (leaf) begin to fall off the tree.

小题5:It’s raining very hard so I decide _________ (not go) out.

小题6:It’s necessary for us _________ (keep) the classroom clean.

小题7:There was a lot of traffic on the way, but ________ (lucky), we didn’t miss the film.

小题8: Yesterday morning, Zhang Ming was late for class because of ________ (get) up late.
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单项选择题

下列哪种情况可出现S2反常分裂

A．主动脉瓣关闭提前

B．主动脉瓣关闭迟于肺动脉瓣

C．肺动脉瓣关闭延迟

D．主动脉瓣与肺动脉瓣同时关闭

E．主动脉瓣与肺动脉瓣关闭的时距相对固定
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