Revision
Advertisements, which often use p________ language and e______ images, play an important p___ of our lives. There are two main t_____ of advertisements. One is called c_________ advertisements, which are meant to p_______ a product or s_____ .
But they don’t tell c _______ the c _______ truth. Another one is called PSAs, which use a________ and o____ ____ images and c_______ language, are often placed for f_ ___. They d____ with many social i_____ which often affect public w______.
persuasive/exciting/part/types/commercial/promote/service
Customers/complete/attractive/original/creative/free/deal/issues/welfare
1. We are so used to them that we often do not even realize how many we see and hear in a day.
对广告我们太习以为常了，我们甚至经常意识不到一天之能看到和听到多少广告。
be used to (doing) sth: 后接名词、代词或动名词做宾语，强调适应的状态。
