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【简答题】
交流电器设备铭牌上所表的额定电压和额定电流都是指( ) ,交流电流表、电压表上的指示值是指( ) 。
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反馈参考答案：
举一反三
【简答题】按取值情况,随机变量可以分为离散型随机变量和
【单选题】If you are not sure about how to deal with the problem at the moment, and need some time to figure out solutions, you can respond to the complaint by saying______
A.
I just don't know what to say.
B.
I suggest you leave it with us and we'll see what we can do.
C.
I am sorry but there's nothing we can do at the moment.
D.
I'm afraid we can't help you at the moment.
【简答题】随机变量可以分为
【简答题】急性肠扭转容易发展为
【单选题】听力原文： I am glad to see so many of you here. We've become really alarmed over at the health center by the number of students we are seeing, who are experiencing heating loss. First I want to go over so...
A.
To plan ways to prevent hearing damage.
B.
To inform. them about contagious ear infections.
C.
To explain part of the physical exam entering students must have.
D.
To provide background information for their course work.
【单选题】听力原文：M: Say, Lisa, what show are you watching? W: An old Japanese film. I figure if I'm going to spend all next year there, I'd better start familiarizing myself with the culture. M: You mean you were...
A.
Writing a memo.
B.
Watching a film.
C.
Taping some music.
D.
Making a video recording.
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