读图,下列各组大洲中,北回归线均有穿过的是( )
A:北美洲、大洋洲、亚洲
B:南美洲、欧洲、亚洲
C:北美洲、非洲、亚洲
D:南美洲、大洋洲、非洲
Sportsmen wanted to arrive earlier so that they could have time to before the race.
下列现象中,不是利用热传递改变内能的是( )