【单选题】“一身诗意千寻瀑; 万古人间四月天”是金岳霖为谁撰的挽联?
【单选题】“一身诗意千寻瀑,万古人间四月天。”是谁为一代才女林徽因写下的挽联( )
【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( )
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
【单选题】Mary _____ six dollars for the pen.
【简答题】中龋时牙髓组织受到激惹,可产生保护性反应,形成__________ ,它能在一定程度上阻止病变发展。
【单选题】Alice was ill, so her mother________ her at home.
【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
【简答题】It took her six years to pay her student loan.