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    4．Man is a land animal，but he is also closely tied to the sea．Throughout history the sea has served the needs of man．The sea has provided man with food and a convenient way to travel to many parts of the world．Today，nearly two-thirds of the world's population live within 80kilometers of the sea coast．
    In the modern technological world，the sea offers many resources to help mankind survive （=continue to live）．Resources on land are beginning to be used up．The sea，however，still can be hoped to supply many of man's needs．
    The list of riches of the sea yet to be developed by man's technology is impressive．Oil and gas explorations have been carried out for nearly 30years．Valuable amounts of minerals exist on the ocean floor ready to be mined．
    Fish farming promises to be a good way to produce large quantities of food．The culture of fish and shellfish （贝类动物） is an ancient skill practised in the past mainly by Oriental people．
    Besides oil and gas，the sea may offer new sources of energy．Experts believe that the warm temperature of the ocean can be used in a way similar to the steam in a steamship．Ocean currents （水流） and waves offer possible use as a source of energy．
    Technology is enabling man to explore ever more deeply under the sea．The development of strong，new materials has made this possible．
    The technology to harvest the sea continues to improve．Experts believe that by the year 2000the problems that prevent us from exploiting fully the food，minerals，and energy sources of the sea will be largely solved．

    6．The major things that the sea offers man areD．
    A．fish and oil                    
    B．minerals and oil
    C．warm temperature and ocean currents
    D．the food，energy sources，and minerals
    7．The sea serves the needs of man becauseD．
    A．in provides man with food              
    B．it offers oil to man
    C．it supplies man with minerals            
    D．all of the above
    8．We can conclude from this passage thatB．
    A．the sea resources have largely been used up
    B．the sea，in the broad sense，has not yet been developed
    C．the problems that prevent us from using the food，minerals，and energy sources of the sea have already been solved．
    D．by the year 2000，the technology will be good enough to exploit all the sea resources
    9．The underlined words Oriental people in the fourth paragraph probably meanA．
    A．the people in Asia                  
    B．African people
    C．European people                   
    D．American people
    10．The best title for this passage isA．
    A．Sea Harvest                       
    B．Sea Food
    C．Technology for Exploiting the Sea     
    D．Man and the Sea．

    分析 本文是一篇说明文．文章阐述了海洋是一个丰富的资源宝库．它为人类提供很多资源保障，从食物到能源．随着人类技术的发展，海洋资源的开发的前景将会越来越广阔．

    解答 6．D．细节理解题．根据文章Oil and gas explorations have been carried out for nearly 30years．Valuable amounts of minerals exist on the ocean floor ready to be mined；Fish farming promises to be a good way to produce large quantities of food；Besides oil and gas，the sea may offer new sources of energy可知海洋提供的主要的东西是食品、能源和矿物；故选D．
    7．D．推理判断题．根据文章Oil and gas explorations have been carried out for nearly 30years．Valuable amounts of minerals exist on the ocean floor ready to be mined；Fish farming promises to be a good way to produce large quantities of food；Besides oil and gas，the sea may offer new sources of energy可知海洋满足了人类的需要因为提供了食物，能源和矿物；故选D．
    8．B．推理判断题．根据文章第三段中的The list of riches of the sea yet to be developed by man's technology is big．可知，有待于人类技术的发展才能被开发的海洋丰富资源的项目是很大的．故选B．
    9．A．猜测词义题．根据文章中的The culture of fish and shellfish （贝类动物） is an ancient skill practised in the past mainly by Oriental people，including people in China．可知，其中包括中国人．由此推知意为：亚洲人．故选A．
    10．A．推理判断题．根据文章最后一段的总结段The technology to harvest the sea continues to improve．Experts believe that by the year 2020 the problems that prevent us from exploiting（开发） fully the food，minerals，and energy sources of the sea will be largely solved．可知，随着人类技术的发展，海洋收获将有改善．故选A．

    点评 考察学生的细节理解和推理判断能力，做细节理解题时一定要找到文章中的原句，和题干进行比较，再做出正确的选择．在做推理判断题不要以个人的主观想象代替文章的事实，要根据文章事实进行合乎逻辑的推理判断．

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