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【单选题】
Regarding to 0 dimensionalmaterials, the defects within them including the following categories except:
A.
Vacancies;
B.
Interstitials;
C.
Impurities;
D.
Grain boundary
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参考答案:
举一反三
【简答题】利用电力电子电路把直流电变成交流电的装置称为____。
【单选题】The survey shows that______have the best understanding of health concerns.
A.
senior citizens
B.
middle-aged citizens
C.
younger Taiwanese
D.
Taiwanese smokers
【判断题】用整流器把直流电源变为交流电供给用电设备的电路称为整流电路。
A.
正确
B.
错误
【判断题】稳压管正常稳压时应工作在 PN 结的反向击穿区域。
A.
正确
B.
错误
【判断题】“蛮婆”、“蛮汉”两词是党项族孑遗。
A.
正确
B.
错误
【单选题】Have a senior passager on board, you'd better_____.
A.
remingding the time of the terminal.
B.
reminding the senior of the temperature.
C.
take the tempreature of senior the passenger.
D.
bring coffee regualarly for him/her.
【单选题】能够把交流电变成直流电的电路称为(    )。
A.
逆变电路    
B.
整流电路
C.
滤波电路    
D.
放大电路
【单选题】Now many renowned universities tend to have their own ______ middle and senior schools.
A.
assigned
B.
enrolled
C.
mingled
D.
affiliated
【单选题】All the senior schools in Shandong make __________ a rule to have free Saturdays and Sundays.
A.
this
B.
that
C.
it
D.
them
【简答题】把交流电变换成直流电的电路称为 电路。
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