肉桂治胸阳不振，寒邪内侵之胸痹心痛，与其何种功效有关（）
A.温中散寒
B.行气血、运经脉
C.补火助阳
D.补益气血
E.散寒止痛
参考答案：B, E
国防建设不是国家建设的重要组成部分。
How could you walk into the lab with your shoes?You're________to take them off before you
enter it.I told you so![ ]
A. hoped
B. supposed
C. allowed
D. permitted
