洋地黄中毒引起的室早二联律,首选的治疗是()
A.苯妥英钠
B.阿托品
C.普萘洛尔
D.人工心脏起搏器
E.氯化钾
参考答案:A
Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
A.puzzling; puzzled
B.puzzled; puzzling
C.puzzling; puzzling
D.puzzled; puzzled
简述梁漱溟对西方、中国、印度三大文化体系的比较 。