下列哪种药物为Ⅲ类抗心律失常药()
A.利多卡因
B.胺碘酮
C.西地兰
D.心律平
E.维拉帕米
参考答案:B
教学技能发展的最高形态是()
A.教学技巧
B.教学技艺
C.教学艺术
D.教学方法
It is high time that we started to consider what ________ we should take to reduce heavy smog caused by traffic fumes and other pollutions.
A.affection
B.attention
C.measures
D.advantages