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【单选题】
把网络202.112.78.0划分为4个子网，则子网掩码是（ ）。A.
255.255.255.192
B.
255.255.255.3
C.
0.0.0.192
D.
0.0.0.3
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举一反三
【单选题】The core item in the O il Record Book Part I is __,and its main content is____
A.
Item A; Ballast or Cleaning of Fuel O il Tanks
B.
Item B; Discharge of Dirty Ballast or Cleaning Water from Fuel O il. Tanks Referred to Under Section (A)
C.
Item C; Disposal of Oil Residues (sludge)
D.
Item H; Bunkering of Fuel Oils
【简答题】食物的特殊动力作用。
【简答题】食物的特殊动力作用
【单选题】We have been informed that he had done _____ visits were essential by eleven o'clock last night. [ ]
A.
all
B.
what
C.
that
D.
all that
【简答题】食物的特殊动力作用
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