Welcome unit Listening and Speaking【课件】-2020-2021学年高一英语教学必备精品课堂（人教版2019必修第一册）

Welcome Unit --Listening and Speaking Key words: 1、exchange n./ vt. exchange A for B exchange sth. with sb. in exchange for e.g.: I would like to volunteer to help visitors, introduce Chinese paintings, spread Chinese culture, and strengthen world cultural exchanges. Key words: 2、impression n. impress vt. impressive adj. impress sth. on sb. impress sb. with sth. sb. be impressed by/ with sth. leave/make a(an)…… impression on sb. e.g.: Hangzhou is really an impressive place. The famous West Lake always leave a deep impression on the visitors. I was deeply impressed by its beauty the first time I saw it. His parents try to impress on him that it is very important to be honest. Key words: 3、design n./vt. designer n. be designed for/ be meant for/ be intended for be designed to do by design/ on purpose/ by chance/ by accident e.g.: a book designed/ meant/ intended for children This after-class activity is designed to improve students’ lea