Internet useappears to cause a decline in psychological well-being,（因特网的使用使人们的心理健康度下降）according toresearch at Carnegie Mellon University.

Even people whospent just a few hours a week on the Internet experienced more depression andloneliness than those who logged on（进人电脑系统）less frequently, the

two-year studyshowed. And it wasn't that people who were already feeling bad spent more timeon the Internet,but that using the Net actually appeared to cause the bad

feelings.

2.Researchers arepuzzling over the results,which were completely contrary to theirexpectations.They expected that the Net would prove socially healthier than

television,since theNet allows users to choose their information and to communicate with others.

3.The fact thatInternet use reduces time available for family and friends may account for thedrop in well-being, researchers hypothesized（假设）.Faceless, bodiless virtual

（虚拟的）communicationmay be less psychologically satisfying than actual conversation,and therelationships formed through it may be shallower. Another possibility is

that exposure to thewider world via the Net makes users less satisfied with their lives.

4."But it'simportant to remember this is not about the technology itself;it's about how itis used,"says psychologist Christine Riley of Intel,one of the study'ssponsors（发起

人）."Itreally points to the need for considering social factors in terms of how youdesign applications and services for technology."Exposure to thewider world via the Net _________.

A.experience as muchof depression as those who never

B.may suffer moredepression than those who never

C.after they use theNet

D.makes users lesssatisfied with their lives

E.before they usethe Net