A：
B：
C：
D：
A：Our new school is big and nice. There is a gym in our school now.
B：Yes, and there is a big library, too.
—I like singing songs and music.
如图漫画《噱头》中商家的行为侵犯了消费者的知情权。
小肠绒毛不能直接吸收的营养物质是( )
，集合
，
，则
