There was such a long queue for coffee a_爱下问搜题

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问题选择题

There was such a long queue for coffee at the interval that we ________ gave up.[ ]

A. eventually

B. unfortunately

C. generously

D. purposefully

答案

答案：A

解答题

已知定义域为[-2，2]的函数f（x）=

是奇函数．
（Ⅰ）求实数a，b的值；
（Ⅱ）解关于m的不等式f（m）+f（m-1）＞f（0）．

填空题

货物倒装车一车倒装两车时，作业次数按（）次计算。