A:厌氧呼吸和体液免疫
B:厌氧呼吸和细胞免疫
C:需氧呼吸和体液免疫
D:需氧呼吸和细胞免疫
Judy, don't put your keys here. _____, please.
我国四大发明中为欧洲人开辟新航路做出了巨大的贡献的是( )