1 They feel cut off from the adult world into which they have not yet been accepted.
2 When you are having soup make the least noises and use the side of yourspoon inside out this way, not the tip. And you mustn't pick up your soup bowls so as to drink away the last drops of your soup from the bottom of the bowl
3 when the meal is finished, the guests put their napkins on the table and stand up, the men again helpong the ladies with their chairs
4 The study say that being able to choose what you look at is the main reason teens choose the internet over other types of media

1 他们感觉到被隔绝开来，为成人世界所拒之门外。
2 喝汤时，尽量不要发出声音，拿着汤匙的侧边而非汤匙顶部从内向外侧舀汤喝。一定不要为了想喝干碗底的汤而将碗端起。
3 吃完饭后，宾客们把餐巾放在桌子上，随即站起。男士们再次帮助女生拉开坐椅。
4 研究认为青少年之所以会选择互联网而不选择其他类型的媒体，就在于互联网允许他们选择自己想看的东西。