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【单选题】
在时间线面板中将图层置于顶层的快捷键是?A.
Ctrl+Shift+]
B.
Ctrl+Shift+[
C.
Ctrl+]
D.
Ctrl+[
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举一反三
【单选题】How was your trip to Paris?
A.
Take care.
B.
It’s great.
C.
My pleasure.
D.
This way please.
【单选题】Sam had a trip to Paris last month. Which of the following is the picture he took there?
A.
B.
C.
【单选题】—Visitors need to know all the travel routes to Paris, ______? —Sure. But The trip has not arranged.
A.
do they
B.
need they
C.
don't they
D.
needn't they
【单选题】对于二极管，以下说法不正确的是 。
A.
二极管加正向电压时，二极管就导通
B.
二极管的反向饱和电流的大小受温度影响大
C.
二极管的正向导通压降，硅管比锗管高
D.
同样外部条件下， 硅管的 反向饱和电流比锗管小
【单选题】—Visitors need to know all the travel routes to Paris, ______? —Sure. But The trip has not arranged.
A.
do they
B.
need they
C.
don't they D needn't they
【简答题】____________ (所一切都考虑过后), the trip to Paris has to be called off.
【单选题】The teacher _____ some old friends on his vacation trip to Paris. [ ]
A.
dropped by
B.
dropped in
C.
droped by
D.
droped in
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