课时提能练(八) 必修2 Unit 5 Rhythm(B)
(对应学生用书第251页)
Ⅰ.阅读理解
(2017·合肥市2018届高三调研性检测)
Social networks are a big part of nearly every teenager's life in this day and age.Many teens have QQ，WeChat，or Weibo but little do a lot of teens know that they can be held responsible for everything they post for the rest of their lives.Everything you post online is part of a digital footprint that can always be traced (追踪)back to you.That includes every post，even every like，comment，favorite and forward that you have ever committed.All pictures you've posted or will post have been stored in a digital database，and it is the companies' right to keep all of these documents that you believe to have been deleted or hidden.
