【简答题】阅读理解。 Social networking isn't only for the under 40s. More than 25 percent of Americans 50 years and older stay connected using sites such as Facebook, MySpace and Twitter, according to new research. ...
【简答题】Social networking isn’t only for the under 40s. More than 25 percent of Americans 50 years and older stay connected using sites such as Facebook, MySpace and Twitter, according to new research. “The l...
【单选题】Robert Hoss discovers that over 80 percent of people dream in color, but only 25 percent of them are able to remember the color the following morning.