注意：此部分试题请在答题卡2上作答。

　　51. What have past behavioural studies found about our brain?

　　A) Its capacity actually knows no limits.

　　B) It grows sophisticated with practice.

　　C) It keeps our most precious memories until life’s end.

　　D) New information learned pushes old information out.

　　52. What is the benefit of forgetting?

　　A) It frees us from painful memories.

　　B) It helps slow down our aging process.

　　C) It facilitates our access to relevant information.

　　D) It prevents old information from forming associations.

　　53. What is the emphasis of current studies of memory?

　　A) When people tend to forget.

　　B) What contributes to forgetting.

　　C) How new technology hinders memory capacity.

　　D) Why learning and forgetting arc complementary.

　　54. What do people find about their rare ability to remember every detail of their life?

　　A) It adds to the burden of their memory.

　　B) It makes their life more complicated.

　　C) It contributes to their success in life.

　　D) It constitutes a rare object of envy.

　　55. What does the passage say about forgetting?

　　A) It can enlarge our brain capacity.

　　B) It helps get rid of negative memories.

　　C) It is a way of organising our memories.

　　D) It should not cause any alarm in any way.

　　Part IV Translation (30 minutes)

　　Directions: For this part, you are allowed 30 minutes to translate a passage from Chinese into English. You should write your answer on Answer Sheet 2.

　　长江是亚洲最长、世界上第三长的河流。长江流经多种不同的生态系统，是诸多濒危物种的栖 息地，灌溉了中国五分之一的土地。长江流域(river basin )居住着三分之一的人口。长江在中国历史、文化和经济上起着很大的作用。长江三角洲(delta)产出多达20%的中国国民生产总值。几千年来，长江一直被用于供水、运输和工业生产。长江上还坐落着世界最大的水电站。

　　注意：此部分试题请在答题卡2上作答。

　　参考答案

　　答案：

　　长江是亚洲最长、世界上第三长的河流。长江流经多种不同的生态系统，是诸多濒危物种的栖息地，灌溉了中国五分之一的土地。长江流域居住着中国三分之一的人口。长江在中国历史、文化和经济上起着很大的作用。长江三角洲产出多达20%的中国国民生产总值。几千年来，长江一直被用于供水，运输和工业生产。长江上还坐落着世界最大的水电站。

　　TheYangtze River is the longest river in Asia and also the third longest riveraround the world. Yangtze River which flows through a variety of differentecosystems, is the habitat of many endangered species, irrigating one fifth ofthe land in China. The Yangtze River Basin is home to one third of Chinesepopulation, which plays a significant role on Chinese history, culture andeconomy. The Yangtze River Delta produces up to twenty percent of China's GrossNational Product. For thousands of years, the Yangtze River has been takenadvantages of water supply, transportation and industrial production. Besides,the world’s largest hydro-electric power station stands on the Yangtze River.