What are they doing?Ss: They are ordering food.

并能运用本单元的句型实行实际对话，学以致用。

Photo is of Nelson ordering food at an African restaurant.

图为Nelson在一家非洲餐厅点菜。

Do not use Chinese in the cafeteria, even when ordering food.

不要在自助餐厅里用中文，甚至包括点菜。

Until the 1980s you could not buy a drink in Ontario on a Sunday without ordering food.

直到20世纪80年代，周日的安大略省，你如果不点吃的话是绝对买不到酒的。

When ordering food or drinks, never begin with "I want...," as it's considered rude and ignorant to do so.

在点餐或饮料时不要以“我想要…，”的句子开头，这样会显得你很粗鲁无知。