问题
多项选择题
对β受体阻断药的特点有
A．对高血压者忌用
B．可诱发或加剧哮喘的发作
C．可抑制肾素释放
D．对重度房室传导阻滞者忌用
E．对正常人休息时心脏的作用较强
答案
参考答案：B,C,D
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对β受体阻断药的特点有
A．对高血压者忌用
B．可诱发或加剧哮喘的发作
C．可抑制肾素释放
D．对重度房室传导阻滞者忌用
E．对正常人休息时心脏的作用较强
参考答案：B,C,D
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| Thomas Edison（托马斯·爱迪生） Thomas Edison invented (发明) many 1 , although (尽管) he didn't have much school education (教育). How did he do all these? Because he knew how to 2 a lot of things that 3 not taught 4 the classroom. He got knowledge (知识) from books outside school. He worked hard all 5 life, and the most important (重要的) thing is that he knew how to use his head. | ||||
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