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问题 单项选择题

属于十九畏的配伍药对是

A．川乌和草乌

B．桃仁与红花

C．官桂与赤石脂

D．乌头与贝母

E．甘草与甘遂

答案

参考答案：C

选择题
It is reported that many a new house _____ at present in the disaster area.

A. are being built
B. were being built
C. was being built
D. is being built
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单项选择题

胆道疾病引起的腹痛多放射至

A．左肩部

B．右肩部

C．背部

D．左腰背

E．右股内侧
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