【单选题】Why doesn’t Len buy a tie?
A.
a. He doesn’t like them.
B.
b. They are very expensive.
【单选题】Why doesn't Len buy a tie?
A.
He doesn't like the colors of them.
B.
They are very expensive.
D.
It is difficult for him to choose them.
【简答题】(满分8分)计算:( ) -1 - 2sin 45°+ |1- |.
【单选题】已知tanα=1,那么 2sinα-cosα 2sinα+cosα 的值等于( )
【判断题】在修图软件VXCO中,必须先将相册的图片导入工作室后才可以修图编辑。
【判断题】起动机主要功能是起动发动机,由电磁开关、传动机构组成。
【单选题】–Why don’t you choose the red tie? --For me, it doesn’t _________ my shirt very well.