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【简答题】
设a>0且a≠1，则“函数f(x)＝a x 在R上是减函数”是“函数g(x)＝(2－a)x 3 在R上是增函数”的__________条件．
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反馈参考答案：
举一反三
【单选题】_______right away, you would arrive there by 6 o’clock P.M.
A.
Would you start out
B.
Will you start
C.
Were you to start out
D.
If you’ll start out
【简答题】The cruel man often beat his wife ___________(violence), which led to her death.
【单选题】Mr.Wait, would you please fill out this application form?
A.
Yes, I am.
B.
OK.
C.
Take it easy.
D.
Go ahead.
参考解析：
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