关于排卵型功血的临床表现,下列哪项是错误的:
A.长时间出血不能自止
B.月经量多,周期正常
C.周期缩短,经量正常
D.基础体温后半期上升幅度偏低
E.妇科检查无明显异常
参考答案:A
已知(a2+a+2)x>(a2+a+2)1-x,则x的取值范围是______.
. It is not I but you who__________the first to run to the goal in that competition.
A.is
B.am
C.is going to be
D.are