—No, thanks. I don't want ________ drinks now.
A:any; any
B:any; some
C:some; some
D:some; any
已知正六边形的半径为2,则它的边心距为____ .
甲.手电筒静止,乒乓球转动
乙.乒乓球静止不动,手电筒绕着乒乓球转动
丙.乒乓球转动,手电筒也绕着乒乓球转动
我们的母亲河是指____。