反映腔静脉及右心房的压力（）
A.BP
B.CVP
C.PAP
D.CO
E.PAWP
参考答案：B
既能清实热，又可退虚热的药物是（）
A.石膏
B.知母
C.黄芩
D.苦参
E.栀子
Why does the speaker think some students don’ t like history
A．History teachers don’t care.
B．Students are too lazy.
C．The professors don’ t make it interesting.
D．Students think history is not important.
