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【单选题】
(河北省衡水二中2019届高三质检)如图所示是法拉第制作的世界上第一台发电机的模型原理图。把一个半径为r的铜盘放在磁感应强度大小为B的磁场中,使磁感线水平向右垂直穿过铜盘,铜盘安装在水平的铜轴上,两块铜片C、D分别与转动轴和铜盘的边缘接触,G为灵敏电流表。现使铜盘按照图示方向以角速度ω匀速转动,则下列说法中正确的是( )A.
C点电势一定高于D点电势
B.
圆盘中产生的感应电动势大小为Bωr 2
C.
电流表中的电流方向为由a到b
D.
若铜盘不转动,使所加磁场磁感应强度均匀增大,在铜盘中可以产生涡旋电流
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举一反三
【单选题】On seeing the movie star appeared on the stage, the audience ________ cheering.
A.
burst into
B.
burst on
C.
burst out
D.
burst in
【简答题】The little boy happily looks forward to (meet) ______the movie star at the party.
【简答题】简述面试的基本类型。
【简答题】A．Because she also uses the soap for better skin. B．Because she admires the movie star. C．Because she considers it a good example of certain ads. D．Because she thinks that it is a good idea to have a ...
【简答题】简述结构化面试问题的类型
【单选题】It was the news ____ the movie star would come to our school ____ let us understand the meaning of the word “fanaticism(狂热)”.
A.
that; which
B.
when; that
C.
what; so
D.
that; that
【简答题】简述求职面试的类型有哪些。
【单选题】—Do you like the pop star Zhou Jielun or the movie star Liu Dehua? —________. I am not their fan. [ ]
A.
Both
B.
Either
C.
Neither
D.
All
【单选题】We promise attends the party a chance to have a photo taken with the movie star.
A.
who
B.
whom
C.
whoever
D.
whomever
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