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【单选题】
在Powerpoint2010中最多可取消操作数为( )次A.
50
B.
100
C.
150
D.
200
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【单选题】The mayor felt that the police, in spite of the reports, had done __________ best in a difficult situation.
A.
its
B.
their
C.
his
D.
our
【单选题】The mayor felt that the police, in spite of the reports, had done ______ best.
A.
a. its
B.
b. their
C.
c. his
D.
d. our
【单选题】The mayor felt that the police, in spite of the reports, had done ______ best in the difficult situation.
A.
his
B.
their
C.
its
D.
out
【单选题】The mayor felt that the police, in spite of the reports, had done ______ best.
A.
its
B.
his
C.
their
D.
our
【单选题】Suppose Host A sends two TCP segments back to back to Host B over a TCP connection. The first segment has sequence number 90; the second has sequence number 110. How much data is in the first segment ...
A.
90
B.
20
C.
21
D.
110
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