丁香柿蒂汤的功效是（）
A.行气降逆、宽胸散结
B.降逆止呕、益气清热
C.温中益气、降逆止呃
D.降逆止呕、和胃清热
E.降逆化痰、益气和胃
参考答案：C
—"You look tired today, _________."
—"Thank you very much. "[ ]
A. take it away
B. take it easy
C. be away
D. stay away
实验室内并不禁烟。
