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    More than 200 scientists have completed a two­year study to identify the most natural and undeveloped areas on Earth. Their findings are reported in a new book called Wilderness：Earth’s Last Wild Places. The book describes 37 wilderness areas around the world. Each has an area greater than 10,000 square kilometers. The study considered only areas where at least 70% of all plants are native.
    North and South America are home to the largest number of wilderness areas. There are 16 such areas, from southern Argentina to Alaska and northern Canada. Africa has 8 wilderness areas, including the thick forests and the grasslands. Australia and New Guinea (几内亚) share 6 areas. Europe has 3 areas and Asia has 2.The Arabian Desert and Antarctica also are considered wilderness areas.
    The largest wilderness area is the Boreal Forest (北方森林)．It extends for 16­million square kilometers south of the Arctic Circle. The Boreal Forest extends across Alaska, Canada, northern Europe and Russia. The smallest of the 37 wilderness areas is the Sundarbans. It is the world’s largest tidal mangrove forest (红树林)．It covers 10,000 square kilometers of land at the mouth of the Ganges River in India and Bangladesh (孟加拉国)．
    The study found that wilderness areas cover about 46% of the Earth’s land surface. However, they are home to less than 2.5% of the world’s population. Nineteen of the wilderness areas have only about one person for each square kilometer. Native people usually live in these areas.
    Wilderness areas help to influence the world’s weather systems and rainfall. They are also home to many plants and animals. Population growth and the spread of agriculture and mining operations threaten wilderness areas. But just 7% of all such areas have some form of official protection.
    小题1:What does the author think of the wilderness areas around the world in the book?
    A．Unwanted.B．Long-lasting.C．ValuableD．Perfect.
    小题2:The writer describes the wilderness areas to show that they ________.
    A．are worth the public supportB．can attract readers’ attention
    C．need to be stressed as resourcesD．are seen on every continent
    小题3:According to the 4th paragraph, we can draw a conclusion that the 37 wilderness areas are ________.
    A．desertedB．crowdedC．uncontrolledD．undeveloped
    小题4:As the result of the effect on nature, the wilderness areas on Earth should be ________.
    A．thought more of by the governmentsB．explored as natural habitats very soon
    C．further made full use of at presentD．discovered for their advantages of nature
    小题5:The purpose of writing this text is to tell us ________of the wilderness areas around the world.
    A．the importanceB．the situationC．the developmentD．the environment

    小题1:C
    小题2:C
    小题3:D
    小题4:A
    小题5:B

    试题分析：本文旨在介绍荒野之地的基本分布及其意义。
    小题1:C 推理判断题。根据最后两段所介绍的“wilderness areas”的作用人类居住、动植物的家园、影响气候与降雨可推断作者认为“wilderness areas”是珍贵的，故选 C。
    小题2:C 推理判断题。全文介绍完了荒野之地在世界上的大致分布情况之后，指出它们是动植物的家园， 也影响气候与降雨， 由此可判断作者认为它们应该被作为一种资源去重视，从而得到保护，故选 C。
    小题3:D 推理判断题。根据第四段 Nineteen of the wilderness areas have only about one person for each square kilometer.可判断选 D。
    小题4:A 推理判断题。根据最后一段 Population growth and the spread of agriculture and mining operations threaten wilderness areas. But just 7 of all such areas have some form of official protection.可判断选 A。
    小题5:B 主旨大意题。全文重点介绍“wilderness areas”在世界上的主要分布情况，由此判断选 B。
    点评：本文旨在介绍荒野之地的基本分布及其意义。本文主要还是考查了细节题和推理题，注重综合语言能力的运用，需要根据段落大意，结合语境，做出准确的判断。要求考生在仔细阅读文本的基础上，仔细审题和每个选项，做适当的延伸，做出合理的判断推理。
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