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
.
What a pity! I missed meeting my boss at the airport because my car was ______ in the traffic jam.
A.broken up
B.kept away
C.held up
D.kept up
()是教材评估工作的目标,也是教材评估的两个基本要求。