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【单选题】
设【图片】则当【图片】时有A.
B.
C.
D.
不存在，且
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【单选题】Da Vinci was the first robotic system to be applied and approved by the Food and Drug Administration.
A.
Y
B.
N
C.
NG
【单选题】The insect population increased due to ______.
A.
the hot air
B.
the tropical climate
C.
the rain clouds
D.
the damp atmosphere
【单选题】What is Mr. Porter's profession?
A.
Director of Human Resources
B.
Detective
C.
Accountant
D.
Administrative Assistant
【单选题】What do we learn about business schools in the last paragraph?
A.
They are reluctant to admit to failing
B.
They resent criticism of their academic journal
C.
They used to be looked down on by other institution
D.
They are comfortable with the current situatio
【简答题】LTE中，______类似RAI+P-TMSI;_______类似2G/3G位置区LAI或路由区RAI，由____、____和____组成，寻呼时按照_____进行寻呼。
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