3.2 Discovering Useful Structures（重点练）-2020-2021学年高一英语十分钟同步课堂专练（人教版2019必修第二册）

重点练 I. 阅读选择 Do you use Facebook,MySpace or Twitter?If so,then you are part of a social network. Social networking sites allow us to see our social connections. When you create a profile (a description of somebody that gives useful information) on a social networking site, you open up a number of possible social connections. You can look up old friends, make new friends, and share music , photos and videos with them . You can also accoups according to you can also and can and and there and the favourite TV shows or music. Setting up a social networking account(账号）is simple.You just create and post a personal profile.For this you need a login name, and an e-mail account. Then add some, and and and age , sex , location , interests , etc . You can also add a photo of yourself . You can control who sees your profile . The next step is to look for new ones, and add them to your network. Then you can search your friends' connections for anyone else you'd like to add to your network . Differe