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问题
单项选择题
下列哪味药不治虚热( )
A.青蒿
B.牡丹皮
C.白薇
D.柴胡
E.银柴胡
答案
参考答案:D
选择题
一 Your colleague's spoken English is beautiful, Lily.
一 It's no wonder. She _____ in the USA for a year as a visiting professor.
A. worked
B. has worked
C. had worked
D. has been working
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问答题 简答题
什么是血浆凝血酶原时间(PT)?
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