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【单选题】
被称作微观经济学之父的是( )A.
B.
亚当•斯密
C.
马歇尔
D.
凯恩斯
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【单选题】Questions 22 to 25 are based on the conversation you have just heard. 22.A) It was about a little animal. B) It took her six years to write. C) It was adapted from a fairy tale. D) It was ...
A.
It was about a little animal.
B.
It took her six years to write.
C.
It was adapted from a fairy tale.
D.
It was about a little girl and her pet.
【单选题】关于感应电流,下列说法正确的是( )
A.
一段导体在磁场中运动，导体内必有感应电流
B.
一段导体在磁场中切割磁感线运动，导体内必有感应电流
C.
闭合电路中一部分导体在磁场中切割磁感线运动，导体内必有感应电流
D.
闭合电路中有一部分导体在磁场中切割磁感线运动，导体内也不一定有感应电流
【简答题】On Thursday afternoon Mrs. Clarke, dressed for going out, took her handbag with her money and her key in it, pulled the door behind her to lock it and went to the Over 60s Club. She always went there ...
【多选题】奥迪车主典型的购买原因包括: ( )。
A.
身份性(表明地位、实力……)
B.
享受性(舒适、视听、环境……)
C.
可信性(安全、质量、品质、后续成本……)
D.
满足性(加速、操控……)
【单选题】Alice was ill, so her mother________ her at home.
A.
took after
B.
looked for
C.
looked after
D.
took care
【多选题】奥迪车主典型的购买原因包括( )
A.
身份性(表明地位、实力等)
B.
享受性(舒适、视听、环境等)
C.
可信性(安全、质量、品质、后续成本等)
D.
满足性(加速、操控等)
【单选题】关于感应电流,下列说法正确的是( )
A.
只要闭合导体回路内有磁通量，回路中就有感应电流。
B.
穿过螺线管的磁通量发生变化时，螺线管内部就一定有感应电流产生
C.
线圈不闭合时，即使穿过线圈的磁通量发生变化，线圈中也没有感应电流
D.
只要导体回路的一部分做切割磁感线运动，回路中就一定有感应电流
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