气滞血瘀多与何脏腑的功能异常密切相关：（）
A.肺
B.脾
C.肾
D.三焦
E.以上都不是
参考答案：E
—He is often late for school, isn't he?
—_______ He always goes to school earlier than others. [ ]
A. Yes, he is.
B. No, he isn't.
C. Yes, of course.
D. No, sometimes.
突出矿井的井下避难所内的压风自救系统应当满足哪些要求？
