下列房颤转复效益比最好的是()
A.洋地黄
B.胺碘酮
C.普罗帕酮
D.索他洛尔
E.奎尼丁
参考答案:B
Being able to afford ______ drink would be ______ comfort in those tough times.
A.the; the
B.a; a
C.a; /
D./; a
工业革命对人类社会产生了哪些影响?
________________________________________________________________________