青蒿素抗疟作用发生在（）
A.红细胞内期
B.红细胞前期
C.红细胞外期
D.疟原虫配子体
E.以上均不是
参考答案：A
– ________.
– With pleasure.
A．Excuse me for interrupting.
B．Is there anything that I can do for you?
C．Why not wear some flowers tonight?
D．Would you please look after my car for a moment?w
均具有燥湿化痰、祛风止痉功效的药物是（）。
A.半夏
B.牛黄
C.天南星
D.全蝎
E.天麻
