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【单选题】
下面的句子中破折号的作用是( )。 还要把肉、鸡、鱼、青菜、年糕什么的都预备充足,至少足够吃用一个星期的——按老习惯,店铺多数天门,到正月初六才开张。A.
表示解释说明
B.
表示转折
C.
表示声音的延长
D.
表示话题突然转变
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举一反三
【简答题】PN 结形成后,在其内部就形成了一个内 [ ] ,其方向是由 [ ] 区指向 [ ] 区。
【单选题】Which of the following statements is true of libraries in the UK?
A.
The library is sacrificing books in favor of internet access and other facilities.
B.
More and more people go to the library reading a book.
C.
There are more and more computers in the library to facilitate the book index for the readers.
D.
The number of the booking in the library has increased.
【单选题】Mary does not read newspapers she reads Shakespeare, ______.
A.
therefore
B.
eventually
C.
however
D.
although
【单选题】What will happen to patrons if their library materials become overdue while the library is closed and they do not renew or return them?
A.
They will have to pay a fine.
B.
They will be required to use branch libraries.
C.
They will not be charged at all.
D.
They will lose their library privileges.
【简答题】空调系统中的发动机转速检测电路的转速信号来自（ ）。
【单选题】— How many people are there in the library? — _______. The library is not open today. [ ]
A.
Someone
B.
None
C.
Nothing
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