1.Because of its intimacy, radio is usually more than just a medium; it is _________.
　　［A］firm
　　［B］company
　　［C］corporation
　　［D］enterprise
　　2.However, growth in the fabricated metals industry was able to _________ some of the decline in the iron and steel industry.
　　［A］overturn
　　［B］overtake
　　［C］offset
　　［D］oppress
　　 3.The Timber rattlesnake is now on the endangered species list, and is extinct in two eastern states in which it once _________.
　　［A］thrived
　　［B］swelled
　　［C］prospered
　　［D］flourished
　　4.Using extremely different decorating schemes in adjoining rooms may result in _________ and lack of unity in style.
　　［A］conflict
　　［B］confrontation
　　［C］disturbance
　　［D］disharmony
　　 5.It is naive to expect that any society can resolve all the social problems it is faced with _________,
　　［A］for long
　　［B］in and out
　　［C］once for all
　　［D］by nature
　　参考答案：1 B 2 C 3 A 4 D 5 C