新旧鞋号n,m之间有m=2n﹣10这样的关系,如果你想买一双旧尺码为38号的鞋,那么到商店后,你应该挑选的鞋的新尺码是[ ]
A.36号
B.28号
C.26号
D.24号
答案:D
把极坐标方程ρcos=1化为直角坐标方程是________
—Who would you like to have_____with you?
—Julie. I enjoy staying with her, you know.
A.to work
B.worked
C.work
D.been working