How long does it take the Earth to travel once around the SunA.24 hours B.28 days C.12 months

问题描述:

How long does it take the Earth to travel once around the Sun
A.24 hours B.28 days C.12 months

C
地球绕太阳一圈需要多长时间?
(根据常识)12个月

C

C地球绕太阳转一圈为一年

C.12 months

C.12 months 即地球绕太阳一周需要花费的时间---12个月

C.12 months 地球自转一周是一天,即24小时,地球公转即围绕太阳旋转一周是一年,就是12个月