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【单选题】
F的功能不包括（ ）。A.
复制
B.
整合
C.
转移
D.
化
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【单选题】With the development of science and technology , more new technology____ to the fields of IT.
A.
has been introducing
B.
is being introduced
C.
is introduced
D.
was introduced
【简答题】The use of new building materials and the introduction of such new technology as the elevator and the air-conditioner have played an important role ______ .
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