[填空题]
As the Internet has rapidly become a mainstream medium, the
social impact of the Internet has been a topic of ongoing debate. Some studies
have found that Internet use is associated with reduced social networks and
increased loneliness.
Internet use appears to cause a decline in
psychological well-being, {{U}} (31) {{/U}} to research at Carnegie
Mellon University. Even people {{U}} (32) {{/U}} spent just a few hours a
week {{U}} (33) {{/U}} the Internet experienced more depression and
loneliness {{U}} (34) {{/U}} those who logged on less frequently, the
two-year study showed. And it wasn’t {{U}} (35) {{/U}} people who were
already feeling had spent more time on the internet, {{U}} (36) {{/U}}
that using the Net actually appeared to {{U}} (37) {{/U}} the bad
feelings.
Researchers are puzzling over the results,
{{U}} (38) {{/U}} were completely contrary {{U}} (39) {{/U}} their
expectation. They expected that the Net would {{U}}
