I'11go for a picnic if it _____tomorrow.Will you go with me?
Yes,of course.( )
A.doesn't rainB.isn't raining
C.won't rainD.didn't rain
设函数,则满足的的值是()
设,若,若,则的值为()
已知定义在上的奇函数,设其导函数为,当时,恒有,令,则满足的实数x的取值范围是( )
已知函数,则=()
已知中,,则这个三角形是()