设集合M={﹣1,0,1},N={x|x2≤x},则M∩N=( )
A:{0}
B:{0,1}
C:{﹣1,1}
D:{﹣1,0,1}
假如你遇到类似下列漫画《投球》中的现象,你会对这个人说( )
—I'll go to the country to enjoy the fresh ____ (空气) and clear streams.