题目内容

He apologized for ______.

A. his not being able to come
B. his being able not to come
C. not his being able to come
D. his being not able to come

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Now, I've got quite used to ______ in this computer company.

A. work
B. worked
C. working
D. to be working

已知函数f(x)为区间(−1,1)上的奇函数且可导, 则f'(x)为(−1,1)上的偶函数.

A. 对
B. 错

已知a > 0且函数f(x)在区间(−a,a)上是偶函数且可导, 则f'(x)在(−a,a)上是奇函数.

A. 对
B. 错

大学生在选择工作时，要经过三至四次的选择，坚守宁缺毋滥的原则，一定要找到自己终身喜欢的工作。所以对第一份工作特别挑剔。

A. 对
B. 错