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【简答题】
端口特性为 u=3q+4 的二端电路元件是 _______ 元件。 1) 电感 2) 电容 3) 电阻
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反馈参考答案：
举一反三
【单选题】How many people have died in the train crash in article 2 ?
A.
Only John Phillips has died.
B.
Ten people have died in the crash, including John Phillips.
C.
Four people have died in the crash, including John Phillips.
D.
John Phillips, his wife and children all died in the crash.
【单选题】After the train crash, the station was a ________ of absolute panic. [ ]
A.
scenery
B.
scene
C.
sighting
D.
sign
【简答题】在右手笛卡儿坐标系中,大拇指的方向为 轴的正方向,食指指向 Y 轴的正方向,中指指向 __ 轴的正方向
【简答题】一辆汽车上山要8小时,沿原路返回要6小时,上山和下山的时间比是( ),速度比是( )。
【单选题】Several passengers were ______ in the train crash.
A.
injured
B.
damaged
C.
destroyed
D.
inflicted
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