肾小囊和肾小管末端中的液体分别是( )
A:血浆和尿液
B:原尿和血浆
C:血浆和原尿
D:原尿和尿液
如图,点E、F在AB上,且AF=BE,AC=BD,AC∥BD.求证:CF∥DE.
____ this ____ and drink more water every day.