活血疗伤药的主要适用证是（） A.经闭痛经 B.跌打损伤 C.瘀肿_爱下问搜题

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问题多项选择题

活血疗伤药的主要适用证是（）

A.经闭痛经

B.跌打损伤

C.瘀肿疼痛

D.骨折筋伤

E.金疮出血

答案

参考答案：B, C, D, E

选择题

I was told that there were about 50 foreign students _____ Chinese in the school, most _____ were from Germany.

A. study; of whom
B. study; of them
C. studying; of them
D. studying; of whom

单项选择题

600mm轨距铺设混凝土轨枕时，在轨枕中部的（）的范围严禁捣固道碴，避免轨枕中部支承在道床上。

A、100mm

B、200mm

C、300mm