奎尼丁治疗房颤应先服用（）
A．维拉帕米
B．新斯的明
C．利多卡因
D．普萘洛尔
E．地高辛
参考答案：E
自卑、自负、自信三者之间的关系？
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If k is an integer greater than 44 and less than 51，then which of the following could be the product of 11 and k ？（）
A.565
B.550
C.500
D.484
E.440
