同学们，在这一部分，我们主要讲解课文背景知识和重要词汇。大家可以在学习的过程中，把自己有问题的地方记录下来，在答疑时间提出，获得老师的解答。

Information Related to the Reading Passage

Likes or dislikes with regard to food vary greatly from culture to culture. What is disgusting to one person can be a delicacy to another. Sometimes we need to change our eating habits. If we move or travel to a new place with a different culture, our favorite meat, fruit and vegetables may not be available to us. As a result, we have to eat what is different from the food we are used to. Slowly, this strange food may become familiar to us. Our tastes may change, too, and we begin to enjoy eating the food that used to seem unusual to us.

那些外国人在中国点的外卖