【单选题】The trouble with television is that it discourages concentration. Television's variety becomes a narcotic, not a stimulus. Its serial, kaleidoscopic exposures force us to follow its lead.The viewer is...
A.
TV easily diverts our attention while we are reading.
B.
TV misleads our attention to violence and other sensational news.
C.
TV commercials frequently interrupt our viewing of a program.
D.
TV programs are short and keep changing constantly.
【单选题】听力原文: A court in Yemen has upheld the death sentence on a militant convicted of killing a prominent politician and of coordinating an attack which killed three American Christian missionaries. The def...
【简答题】A.To restore our atmosphere. B.To stop refrigerator-use. C.To pr people from killing insects. D.To restrict the use of some pollutants that harm the ozone layer.