题目

Hi, Sarah， It's been a month since I came to this new school and I really want share with you some of the problems I have been experiencing. As I tell you last time, I made three new friend here. We hang out﹙玩耍﹚ together during lunch and after school. We've been spending a lot of time sing in karaoke bars. It's been three Saturdays now and it really costs me many money. And I started to see this as a time­wasting activity! In fact，I don't like to go anymore, so I'm afraid I'll lose their friendship. How do you think I should do? If you are me，would you talk to him? Plea下列关于人体消化的叙述,错误的是(　　)A. 淀粉在口腔内开始被消化 B. 蛋白质消化的最终产物是氨基酸C. 胆囊分泌的胆汁对脂肪起乳化作用 D. 胃是消化器官