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【单选题】
产品生命周期中，竞争最激烈的阶段是( )。A.
引入期
B.
成长期
C.
成熟期
D.
衰退期
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【简答题】揄 y 喈 j 缗 mn 棹 z 毳鹋 m 酡 t 巽 xn
【单选题】— Would you do me a favor to choose a wedding dress? — Of course, but it is a matter of personal _____. [ ]
A.
concern
B.
sense
C.
style
D.
taste
【单选题】— Excuse me,sir.Would you do me a favor? — Of course. What is it? — I _____ if you could tell me how to fill out this form. [ ]
A.
had wondered
B.
was wondering
C.
would wonder
D.
did wonder
【单选题】—Would you do me a favour and give me a ride? —______.
A.
It's my pleasure
B.
No trouble
C.
That's all right
D.
With pleasure
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