选出你所听到的词语( )
A:rainy
B:windy
C:snowy
点M的柱坐标为2,π3,8 ,则它的直角坐标为____
下列四幅宋与辽、西夏、金并列示意图中,哪一幅是错误的?( )
— It's late now. We must go back to the ________.— Yes. I really need a good sleep.