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【单选题】
— Hello, Paul, do you like to join us in playing football? We need one more person to ____ a team. — Yes, I’d like to.
A.
pick up
B.
pick out
C.
make up
D.
make out
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【判断题】从驱动方式来分,电力场效应晶体管(P-MOSFET)属于电压驱动型电力电子器件。
A.
正确
B.
错误
【多选题】MOSFET(场效应晶体管)属于
A.
不可控器件
B.
半控型器件
C.
全控型器件
D.
电压型驱动型器件
E.
电流型驱动型器件
【判断题】中华传统美德是中华优秀文化的重要组成部分
A.
正确
B.
错误
【判断题】从驱动方式来分,电力场效应晶体管(P-MOSFET)属于电流驱动型电力电子器件。
A.
正确
B.
错误
【单选题】2MOSFET(场效应晶体管)属于
A.
全控型器件
B.
电流性驱动型器件
C.
半控型器件
D.
不可控器件
【单选题】All the following sentences indicate a subjunctive mood EXCEPT
A.
Jack wishes that he had studied business in university.
B.
I think it's high time that she made up her mind.
C.
I had finished my homework when he called me.
D.
Take your raincoat in case it rain.
【判断题】从驱动方式来分,电力场效应晶体管(P-MOSFET)属于电流驱动型电力电子器件。
A.
正确
B.
错误
【单选题】场效应晶体管MOSFET属于( )控制型元件。
A.
电流
B.
电压
C.
频率
D.
电阻
【多选题】晶闸管(SCR)、电力晶体三极管(GTR)、电力场效应管(电力MOSFET)、绝缘栅双极型晶体管(IGBT)中,属于双极型电力电子器件的是:
A.
晶闸管(SCR)
B.
电力晶体三极管(GTR)
C.
电力场效应管(电力MOSFET)
D.
绝缘栅双极型晶体管(IGBT)
【单选题】Assuming all six soil samples contain the same amount of soil, which of the following statements is LEAST accurate?
A.
The soil samples from the forest contain about the same amount of silt as the soil samples from the grassy field.
B.
The soil samples from the forest contain a smaller amount of clay than the soil samples from the grassy field.
C.
The soil samples from the forest contain a smaller amount of sand than the soil samples from the grassy field.
D.
The soil samples from the forest contain a larger amount of loam than the soil samples from the grassy field.
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