Twitter is a free microblogging service founded in 2006. At its heart are ______-character bursts of information called tweets. Users can include ________ to other content in their tweets, and broadcasts can be public or private.
举一反三
- A public cloud ________. A: can be accessed free by any use B: can be accessed by any user who has paid for the service C: can be accessed through a subscription D: is owned by service provide
- The information collected from sources like ( ) and other market players can be called marketing information.
- Children are always happy. They can play ______. A: for their heart's content B: for their heart content C: to their heart's content D: to their hearts' content
- Information in an abstract can include information from the sections of introduction, ______ , ______ and ______ .
- Users ____ put in their information to register. A: shall B: will C: can D: used to