不符合急性前壁心肌梗死致心源性休克血流动力学特点的是()
A.左室射血分数增高
B.肺毛细血管楔压下降
C.心排血指数下降
D.左室舒张末压下降
E.心排出量下降
参考答案:A
—He is tired now. He _____ stay at home and have a rest.
—Thanks, doctor. [ ]
A. has to
B. mays
C. need
D. can't
两侧导硐施工法适用于稳定性较差的松软岩层和掘进宽、高大于6m的硐室。