[不定项选择题]共用题干 Psychologically Unhealthy Internet

Internet is used widely in our daily life.It brings us convenience as well as some troubles.Internet use appears to cause a decline in psychological well一being,according to research at Carnegie Mellon University.
_______(46)Though actually,even people who spent just a few hours a week on the Inter-net experienced more depression and loneliness than those who logged on less frequently,the two-year study showed.And it wasn't that people who were already feeling bad spent more time on the Internet,_______(47)
Researchers are confused about the results,which were completely contrary to their expectations_______（48)
The fact that Internet use reduces time available for family and friends may account for the drop in well-being,researchers hypothesized._______(49),and the relationships formed through it may be shallower. Another possibility is that exposure to the wider world via the Net makes users less satisfied with their lives.
"_______(50);it's about how it is used,"says psychologist Christine Riley of Intel,one of the study's sponsors."It really points to the need for considering social factors in terms of how you design applications and services for technology." _________（49）
A.Faceless,bodiless"virtual"communication may be less psychologically satisfying than actual conversation
B.Generally,people may assume only those who stick to the computer screen suffer from that.
C.but that using the Net actually appeared to cause the bad feelings.
D.They expected that the Net would prove socially healthier than television,since the Net allows users to choose their information and to communicate with others.
E.But it's important to remember this is not about the technology
F.The researchers' expectation is that television would prove more attractive to the audience than the Net.