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问题 单项选择题

急性肾炎引起水肿的主要机制是

A．大量蛋白尿引起低蛋白血症

B．血压增高引起急性心衰

C．肾小球滤过率下降

D．全身毛细血管通透性增加

E．抗利尿激素分泌过多

答案

参考答案：C

选择题

----The Singaporean singer Stefanie Sun took the Most Popular Female Award in Hong Kong.

----But when she studied in middle school, no fans could have imagined how well she _______ in the world of entertainment. (孙燕姿)

A．would do

B．was doing

C．had done

D．did
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单项选择题

绒癌的微观病理特点（）

A.绒毛水肿，滋养细胞高度增生

B.绒毛内无血管，滋养细胞高度增生

C.无绒毛结构滋养细胞高度增生

D.无合体滋养细胞

E.间质血管形成血栓
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