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问题
单项选择题
痫病首见于( )
A．《诸病源候论》
B．《古今医鉴》
C．《丹溪心法》
D．《内经》
E．《三因极一病证方论》
答案
参考答案：
D
选择题
Soon after the Wenchuan earthquake all means _____ to get into those worst-stricken areas.
A. was tried
B. had been tried
C. were tried
D. have tried
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单项选择题
锅炉放水旋塞的内径不得小于( )mm。
A．8
B．10
C．14
D．18
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