题目内容

半数有效量是指:( )

A. 临床有效量
B. LD50
C. 引起50%阳性反应的剂量
D. 效应强度
E. 以上都不是

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下列哪药不属于H2受体阻断药:( )

A. 雷尼替丁
B. 哌仑西平
C. 西咪替丁
D. 尼扎替丁
E. 罗莎替丁

对高肾素型高血压病有特效的是( )

A. 卡托普利
B. 硝苯地平
C. 肼屈嗪
D. 尼群地平
E. 二氮嗪

In the 9th and 10th centuries, it was "prohibited" to decorate Christmas trees.

A. allowed
B. forbidden
C. adopted
D. suggested

A beautifully "decorated" tree in the living room creates a real Christmas feeling.

A. given mark of distinction
B. planted
C. painted
D. made beautiful with ornaments put on