【正确答案】{{B}}On the Internet{{/B}}
The Internet is playing a more and more important role in our daily life.
On the Internet, we can learn news both at home and abroad and all kinds of other information as well. We can also send messages by email, make phone calls, go to net school, read various kinds of books and learn foreign languages by ourselves. Besides, we can enjoy music, watch sports matches and play chess or cards. On the Internet, we can have chats with others and make friends with them. We can even do shopping 6r do business.
In a word, the Internet has made our life more and more colorful.

【答案解析】[解析] 第一步：审题 1．题型：提纲作文；2．文体：说明文。 第二步：框架分析 1．总体说明互联网的作用；2．具体说明；3．总结。 第三步：列出写作思路 1．互联网在日常生活中日益重要；2．举例说明其重要性；3．呼应开头。 第四步：列出关键词和词组 The Internet is playing a more and more important role in our daily life；On the Internet，we can learn news both at home and abroad and all kinds of other information．We can also…Besides，we can…On the net，we can even…In a word，the internet… 第五步：落笔成文