— You're right. I choose my friends on how we .
A:get up
B:get off
C:get on
D:get in
—Who do you want to talk with at the end of the speech?—The man_________ Mr White.
如图为植物细胞和动物细胞结构示意图.请据图回答:
如图,已知BD⊥AC,EF⊥AC,D、F为垂足,G是AB上一点,且∠FEC=∠GDB,
试说明:∠AGD=∠ABC.