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【单选题】
当八位寄存器中的二进制数为11111111时，若其为补码则对应的是___A.
-1
B.
+1
C.
+127
D.
-128
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举一反三
【单选题】- Can your uncle speak English? -_______. But he can speak Chinese.
A.
Yes, he can.
B.
Yes, he can't.
C.
No, he. can't.
D.
No, he can.
【单选题】—Can your father play chess? —______. [ ]
A.
No, he can't
B.
No, he's not
C.
Yes, he is
D.
No, he can
【简答题】Can you imagine (live) ______ in the desert.
【单选题】Only ____ do the job and only in this way _____ do the job well. [ ]
A.
can he, can he
B.
he can, can he
C.
he can, he can
D.
can he, he can
【单选题】________ you have tried it, you can’t imagine
A.
33. ________ you have tried it, you can’t imagine howpleasant it is. ( 北京 ) A.Unless
B.
Because
C.
Although
D.
When
【单选题】You can’t imagine the difficulty I have ___________the problem!
A.
to solve
B.
solved
C.
solving
D.
solve
【单选题】Every director needs an assistant that he can ________ to take care of problems that may occur in his asbsence.
A.
count of
B.
count for
C.
count on
D.
account for
【简答题】Are you a student in Pickering? Do you like to write? Can you imagine Pickering in the year 2025? If you say yes to these questions then you should enter the “In Your Words ”writing contest. You can w...
【简答题】A．He can take care of himself. B．He can stay at home. C．He can jump. D．He can parachute.
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