Hurry up, dear. We have to get to the station before 11:45 we can catch the 12:00 train.
A:since
B:after
C:as soon as
D: so that
In society, some greedy businessmen hide from their r____ and only worry about money.
设k>0,函数f(x)=12x2+x+kln|x﹣1|.
(1)讨论函数f(x)的单调性;
(2)当函数f(x)有两个极值点,且0<θ<π时,证明:(2k﹣1)sinθ+(1﹣k)sin(1﹣k)θ>0.