读《纬线和纬度》图,图中的A点为北极点,其纬度为( )
A:70°N
B:80°N
C:90°N
能分泌胆汁的器官是____ ,能最先消化蛋白质的器官是____ ,消化吸收的主要器官是____ ,能将食物残渣形成粪便的器官是____ 。
The factory last month because it caused too much pollution.
- Would you like to play basketball with us this afternoon?
- ________, but my mother is ill.