◆ 内容分析：
本单元的话题是“大众传媒”，Reading板块以两篇新闻报道为例，论证分析了导致新闻信息差异的原因，并对如何批判性地阅读新闻报道提出建议，旨在培养学生的批判性思维能力和独立思考能力。
◆ 教学目标：
By the end of this section, students will be able to:
1.understand the usage of the key words and expressions:
2.use the above words and expressions in new situations;
3.have a better understanding of the advantages and disadvantages of the Internet;
