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【判断题】
只有当工作电源断路器跳闸后，备用电源自动投入装置才动作投入备用电源。( )A.
正确
B.
错误
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【简答题】The movie Titanic is a great success. It’s about the romantic story between Jack and Rose. Do you know the story of the big ship Titanic? The ship left for the U.S. from Britain on April 14, 1912. It ...
【单选题】双光束分光光度计与单光束分光光度计相比，其主要优点是( )
A.
可用较宽的狭缝，增加了光强度
B.
可用较弱的光源
C.
消除了光源不稳定的影响
D.
可消除共存物质干扰
【简答题】各种危及生命的严重低血压状态，需用对心率影响最小和强效α受体激动剂时应选用（）|过敏性休克或心搏骤停时，选用（）|适用于Ⅱ度、Ⅲ度房室传导阻滞，阿托品治疗效果差的心动过缓患者的药物是（）A. 多巴胺B. 去氧肾上腺素C. 去甲肾上腺素D. 肾上腺素E. 异丙肾上腺素
【单选题】听力原文：W: Excuse me. Do you know how this works? M: Yes. Put the washing inside.., shut the door.., the money goes in here. Then when the machine starts you have to put the soap powder in through here. ...
A.
The woman is willing to do the washing for the man.
B.
The man wants the woman to do the washing for him.
C.
The woman knows little about the machine.
D.
The man knows nothing about the machine.
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