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问题
单项选择题 A1型题
生品行血、炒炭止血的药物是()
A.蒲黄
B.麦芽
C.荆芥
D.大蓟
E.槟榔
答案
参考答案:
A
选择题
The article is ________ more difficult than that one, so I think I can understand it with the help of a dictionary.
A. much
B. quite
C. very
D. a little
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问答题 简答题
我国有哪几种标准电压等级?什么是平均额定电压?
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