用英语说中国用餐礼仪（英语高手进）

Question

用“it is impolite”或“it is polite”说说中国用餐礼仪，简单一点（初二水平），最好不要有错误，“it is impolite”和“it is polite”各说3条.....
急啊！！好的加分啊~~

Answer 1

It is polite to arrive half an hour in advance
It is polite to put ourselves generous dress neatly
It is polite to take some of everything that is passed to you.
It is impolite to set the teapot down where the spout is facing towards somebody
It is impolite to put much food in your mouth at a time
It is impolite to clean your teeth at the table or anywhere in public, either with your finger or a tooth pick,not even with you tongue