[单项选择]A. The violence and aggression impose effects on children.
B. Playing games for a long time damages children’s sight.
C. Playing games influences the development of the brain.
D. Playing games lead to the decrease of children’s physical growth.

[单项选择]To impose computer technology （　） teachers is to create an environment that is not conducive to learning.
A. with
B. to
C. in
D. on

[单项选择]Compared with the big company, what side effects can a small one avoid
A. the condition of being bureaucratic
B. contagious situation
C. taking a lot of wings

[单项选择]Effects of Environmental Pollution
If pollution continues to increase at the present rate, formation of aerosols (浮质) in the atmosphere will cause the onset (开始) of an ice age in about fifty year’s time. This conclusion reached by Dr S. I. Rasoo1 and Dr S. H. Scheider of the United States Goddard Space Flight Center, answer the apparently conflicting questions of whether an increase in the carbon dioxide (二氧化碳) content of the atmosphere will cause the Earth warm up or increasing the aerosol question is dominant.
Two specters haunting conservationists have been the prospect that environmental pollution might lead to the planet’s becoming unbearably hot or cold. One of these ghosts has now been laid, because it seems that even an increase in the amount of carbon dioxide in the atmosphere to eight times its present value will produce an increase in temperature of only 2℃, which would take place over several thousand years. But the other problem now looms larger than ever.

[简答题]negative effects

[单项选择]Violent lyrics in songs increase aggression - related thoughts and emotions and could indirectly create a more hostile social environment, a study released on Sunday by a U. S. psychology association found. The Washington D.C. -based American Psychological Association (APA) released the study, resulting from five experiments involving over 500 college students, in the May issue of the Journal of Personality and Social Psychology.
The violent songs increased feelings of hostility without provocation or threat, according to the study. It said the effect was not the result of differences in musical style, specific performing artist or arousal properties of the songs. Even the humorous violent songs increased aggressive thoughts, the study said.
The group said the study contradicts a popular notion that listening to angry, violent music actually serves as a positive catharsis for people.
The music industry came under criticism from lawmakers in October for failing to use mor
A. actual performers of music
B. a more hostile environment
C. feelings of hostility
D. violent humors of the songs

[单项选择]Couples blessed with strength and aggression（）looks are better off having boys, as these characteristics are of more use to males.
A. other than
B. rather than
C. rather too
D. in spite of