来自孙谨的问题
Weallknowthattheearthgoesaroundthesun.Howfardoestheearthgoaroundthesuninonesecond?A.300kmB.30kmC.3km要写计算过程
Weallknowthattheearthgoesaroundthesun.Howfardoestheearthgoaroundthesuninone
second?
A.300kmB.30kmC.3km
要写计算过程

