题干
---- Where's Miss Li? Someone ______ for her in her office.
---- She _________ to the bank.
A：is waiting, has been
B：waits, has been
C：is waiting, has gone
D：waits, has gone
答案(点此获取答案解析）
C
双只有颜色不同的手套中随机的取出
只，则恰好有两只成一双的概率为（ ）
为R上的连续函数，则( )