After a long walk in the sun, they wanted to drink .
A：cold something
B：something cold
C：nothing cold
D：cold anything
—Would you mind taking the underground to the theatre tonight?
— .it will take less time than driving a car.
若已知某行星绕太阳公转的半径为r，公转的周期为T，万有引力常量为G，则由此可求出（ ）
解题方案：
