—We can give you a ride into town.

—________Thank you.

A．Yes，why not?

B．Oh，it would be my pleasure.

C．Yes，please.

D．Oh，that would be great.

近地面大气的热量主要来自（  ）

A．太阳辐射

B．地面辐射

C．大气逆辐射

D．大气辐射