单选题:Selecting a mobile phone for personal use is no easy task b

题目内容:
Selecting a mobile phone for personal use is no easy task because technology _______ so rapidly. A.changing
B.has changed
C.will have changed
D.will change

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答案解析:

Did you see the house that _______ by fire last year?

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下列关于剪力墙体系的说法,正确的是(  )。A.在高层建筑中,剪力墙主要承受水平荷载,同时也承受垂直荷载,墙体既受剪又受弯 B.剪力墙的厚度不小于120mm,剪

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