4．keep up with 紧跟； 跟上

　　5．content n. 内容

　　6．convenience n. 方便，便利

　　7．compete v. 竞争

　　8．in­depth adj. 深入的，全面

　　1．What resources do people use to know what's going on around the world?

　　2．What are the disadvantages of cellphone newspapers?

　　【答案】　1.Newspaper，TV，radio，computer and cellphone.

　　2．There are not detailed，in­depth reports on the cellphone newspaper as a result of limited length and space.

Section Ⅰ　Introduction & Vocabulary and Reading-Preparing

　　根据提示写出下列单词

　　1. n． (新闻报道等的)标题

　　2． n. 经济

　　3. n. 政治

4． n. 轨道