A:take, in
B:on, by
C:by, on
D:in, on
Our boss will be on business next week, and he asked me to book a ticket for him.
下面漫画显示出( )①我国公民享有人身自由权②我国公民依法享有监督权③人民群众民主、权利意识增强④人民群众的监督有利于推进依法行政
用两平行面去截球,如图,在两个截面圆上有两个点,它们的球坐标分别为 A(8,π4,θa),B(8,3π4,θB), 求出这两个截面间的距离
I'm sorry I know about it. It's a secret between them.