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【单选题】
关于技术规范10要素中三检测说法正确的是A.
电源检测、主板检测、外观检测
B.
外观检测、主板检测、市电检测
C.
外观件测、电源检测、市电检测
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知识点：
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举一反三
【单选题】三相异步电动机在什么情况下会出现转差率s<1,是< /div>
A.
再生制动
B.
能耗制动
C.
反接制动
D.
机械制动
【判断题】Beijing Opera came into being as a result of the classes from Anhui province constantly cooperating with artists in Han accent from Hubei opera.
A.
正确
B.
错误
【简答题】As a Beijing Opera actor, he is a great success ._________________________________________ Evidently all this talk caused him embarrassment ._______________________________________
【单选题】Antiseptics(杀菌剂) have saved countless lives, but they are most effective when the bacteria they are attacking are individual cells in suspension. Once bacteria have attached themselves to solid surfac...
A.
the bacteria are floating in individual cells
B.
the bacteria pollute the medical devices in the hospital
C.
the bacteria adhere to solid surfaces, wrapped by films
D.
the disinfectants are not so standard
【判断题】Beijing Opera, as its name suggests, originated in Beijing but borrowed a lot from " Hui Tune".
A.
正确
B.
错误
【单选题】The program deals with subjects as ( ) as pop music and Beijing Opera.
A.
ideal
B.
diverse
C.
superficial
D.
exceptional
相关题目：
【单选题】三相异步电动机在什么情况下会出现转差率s<1,是< /div>
A.
再生制动
B.
能耗制动
C.
反接制动
D.
机械制动