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【单选题】
—It is reported that it will rain hard next Sunday. —_______. We're planning to go boating that day. [ ]A.
I don't think so
B.
I hope so
C.
I'm afraid not
D.
I hope not
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【单选题】当载流子积累的能量 超过禁带宽度 时可使被碰撞的价带电子跃迁到导带,从而产生一对新的电子空穴对,这就是碰撞电离过程,其主要发生在反偏PN结的( )中
A.
中性区
B.
欧姆电极
C.
耗尽区
D.
扩散区
【多选题】How to properly ask passengers to turn off mobile phone for take-off?
A.
Could you please switch off your cell phone?
B.
Would you please turn off your mobile phone?
C.
Smoking is not allowed.
D.
Remote-controlled equipment is prohibited.
【简答题】试述注册会计师开展初步业务活动的 目的及 主要内容
【多选题】How to ask passengers to turn off mobile phone properly?
A.
Could you please switch off your cell phone?
B.
Would you please turn off your mobile phone?
C.
Would you be kind enough to turn off your mobile telephone?
D.
Excuse me, Miss. For your safety telephone is not allowed to use during the flight.
E.
You can’t use the cellphone.
F.
You mustn’t use your mobile phone.
G.
Please switch off your cell phone.
【简答题】Write some instructions on
how to switch off a laptop
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