关于礼仪的英文文章,谁有啊??????急啊

In China,manners is very important.Bowing is comman in the past,but now,people often wave their hands or nod when they meet their friends in the street.When you are having meal with others,you can't speak when you have food in your mouth.When someone give you something to eat,you can't say"No,thanks".You can't refuse that.
If you can be careful enough anytime,you will make your behave
welcomed.