题目

Please keep an eye on my belongings, including the book on AI. I will be back. A . at no time B . in no time C . in a time D . at one time 答案：B下列各大洲按面积由大到小排序正确的是 [　　] A．北美洲、亚洲、南极洲B．非洲、南极洲、欧洲 C．南极洲、南美洲、大洋洲D．北美洲、非洲、大洋洲