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【单选题】
患者心绞痛急性发作时,选用下列哪种药物最恰当
A.
戊四硝酯制剂口服
B.
硝酸甘油舌下含化
C.
美托洛尔口服
D.
维拉帕米口服
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参考答案:
举一反三
【单选题】一半导体薄片置于如图所示的磁场中,薄片中电流的方向向右。试判断上下两侧的霍尔电势差:
A.
电子导电,Ua
B.
电子导电,Ua>Ub;
C.
空穴导电,Ua>Ub;
D.
空穴导电,Ua=Ub。
【单选题】Joe just wanted to play a joke on her. He did not mean ______ Sarah.
A.
hurting
B.
to hurt
C.
hurted
D.
hurts
【单选题】Sarah has read lotsof stories by American writers . Now she would 1ike toread stories by writers from countries .
A.
. some ; any     
B.
. other ; some    
C.
. some ; other           
D.
. other ; other
【单选题】听力原文:Sarah has been knocking herself out to deliver the work on time, since she expected to live up to her boss who promises to give her a promotion if nothing goes amiss. (30)
A.
Sarah gets her head knocked on the door in a rush to deliver the work on time.
B.
Though Sarah tried her best on the job, she failed the expectation of her boss.
C.
Sarah worked very hard in the hope of getting promoted.
D.
Sarah's boss gave her an empty promise, even though Sarah has worn herself out on the job.
【单选题】现浇单向板肋梁楼盖有以下步骤,正确的设计步骤为()。 1梁、板的内力分析;2确定梁、板的计算简图;3截面配筋及构造措施;4结构平面布置,并初步拟定板厚和主、次梁的截面尺寸;5绘制施工图
A.
②④①③⑤
B.
②④③①⑤
C.
④②③①⑤
D.
④②①③⑤
【单选题】一半导体薄片置于如图 所示的磁场中,薄片中电流的方向向右。试判断上下两侧的霍尔电势差:
A.
电子导电, V a b ;
B.
电子导电, V a >V b ;
C.
空穴导电, V a >V b ;
D.
空穴导电, V a =V b 。
【判断题】Sarah has learnt Christmas stories from her brother.()
A.
正确
B.
错误
【单选题】一半导体薄片置于如图所示的磁场中,薄片中电流的方向向右。试判断上下两侧的霍尔电势差:
A.
电子 导 电,V a V b ;
B.
电子导电, V a V b
C.
空穴导电,V a >V b ;
D.
空穴导电,V a =V b
【单选题】现浇单向板肋梁楼盖有一下步骤,正确的设计步骤为()。 1梁、板的内力分析;2确定梁、板的计算简图;3截面配筋及构造措施;4结构平面布置,并初步拟定板厚和主、次梁的截面尺寸;5绘制施工图
A.
②④①③⑤
B.
②④③①⑤
C.
④②③①⑤
D.
④②①③⑤
【单选题】Her back _____ .She has to _____ the doctor. [      ]
A.
hurts ;see
B.
is hurt;look
C.
hurt; watch
D.
is hurt ;see
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