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问题 单项选择题

治疗室性心律失常的首选药物是：

A．普萘洛尔
B．奎尼丁
C．维拉帕米
D．利多卡因
E．胺碘酮

答案

参考答案：D

问答题 简答题

清粮装置的类型
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单项选择题

In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.（）

A. cry   

B. circle    

C. class     

D. picture
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