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【简答题】
农民伯伯要在开挖一条排水沟,为了加快进度,他们打算分三段同时开挖,现在他们仅有长度为排水沟长度的 的线绳一根,可以将每段排水沟挖直,那么怎样才能使挖好的三段水沟在一条直线上呢?请你设计一下,并说明其中的道理。
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【单选题】对NPN型晶体管,如果在集电极和发射极施加电压,其中集电极为正电压,那么发射极内的自由电子( )。
A.
朝基极侧移动
B.
朝集电极侧移动
C.
不动
D.
在发射极处无序运动
【单选题】Could you tell me _____ the cool T-shirt?
A.
where you buy
B.
where do you buy
C.
where did you buy
D.
where you bought
【简答题】对NPN型晶体管如果在集电极和发射极施加电压,其中集电极为正电压,那么发射极内的自由电子( )
【单选题】--Excuse me ,could you tell me where the post office is ? ---Ok.Between the two white buildings ___ the post office.
A.
are lying
B.
lie
C.
lies
D.
lay
【单选题】A: Take a seat, Mr. Carl. Could you tell me which position you think most appeals to you? B: __________
A.
Well, I am easy-going and have many interests.
B.
I'm strong willed and determined.
C.
I prefer to take the post of sales manager if you think I am qualified.
D.
I don' t quite care whichever is offered to me.
【单选题】对NPN型晶体管,如果在集电极和发射极施加电压,其中集电极为正电压,那么发射极内的自由电子( )。
A.
朝集电极侧移动
B.
在发射极处无序运动
C.
朝基极侧移动
D.
不动
【单选题】( )对象是JSP中一个很重要的内部对象,我们使用它来保存某个特定客户端(访问者)一次会话的一些特定信息。
A.
request
B.
page
C.
session
D.
response
【单选题】Could you tell me _____, Linda? [     ]
A.
what's the matter with you
B.
what was wrong with you
C.
when the accident was happened
D.
when did the accident happen
【简答题】When swimmers travel in Honolulu, where is the best choice for them?
【单选题】对NPN型晶体管,如果在集电极和发射极施加电压,其中集电极为正电压,那么发射极内的自由电子()。
A.
朝基极侧移动
B.
朝集电极侧移动
C.
不动
D.
在发射极处无序运动
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