分娩期心力衰竭的诱因应排除().
A.腹压骤减
B.回心血量骤增
C.体循环血量增加
D.腹压增加
E.回心血量减少
参考答案:B
–How was your interview with the famous basketball player—Yao Ming?
--I was quite nervous at first, but his warm smile put me____.
A.in action
B.at ease
C.on work
D.on watch
我国在2008年北京奥运会上获得51枚金牌,金牌总数位居世界 。 [ ]
A.第一
B.第二
C.第三
D.第四