新概念第一册第15.16课ppt课件.ppt

Lesson 1516 Your passports, please. 请出示你们的护照。New words 定冠词 the ; 不定冠词 a / an的用法： 1. 可数名词单数前面 2. 具有不确定意义的事或名词前面 a 用于普通名词前 an 用于元音因素（元音发音）的单词前 面 Examples: It is _ Swedish car. It is a Swedish car. She is _ air hostess. She is an air hostess. B: 模仿例句提问并用our来回答 Example：books / red What color are your books? Our books are red.