题干

新华社消息,我国平均每年有20个天然湖泊消亡。统计表明,湖北省五十年代共有湖泊1052个,有“千湖之省”的美誉,而目前只剩783个。昔日“八百里洞庭湖”水面缩小四成,由我国第一大淡水湖退居成第二。西部一批烟波浩渺的大湖相继消亡,湖水逐渐向盐湖、干盐湖方向发展,除闻名中外的罗布泊外,东西居延海、艾丁湖(海拔-155m)已是一片荒漠。有关专家说,湖泊环境的日益恶化,已造成水灾频发,成为经济可持续发展的制约性因素。据此完成下列各题。

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Authors (作者)

    Alexandru Micu: Author

    ZME Science author profile | e-mail: alex@zmescience.com

    Main focus: technology, biology

    Curiosity (好奇心) is what drives Alex forward-his interest in learning more about the planet being matched only by his ability to discuss things with a light heart. Alex tries to make others more interested in special science and technology. He does things in his own way.

    Dragos Mitrica: Author

    ZME Science author profile | e-mail: dragos@zmescience.com

    Main focus: wheather

    Dragos loves nature, and does everything he can to understand it. This interest led him to many unexpected places in his life, and now, he mainly studies and understands how ancient (古代的) weather changed, and what this means for the future.

    Henry Conrad: Author

    ZME Science author profile | e-mail: henrykconrad@gmail.com

    Main focus: technology

    Henry Conrad is a game developer from Albuquerque, New Mexico. Whenever he's not working or reading the latest tech news, he enjoys writing about the latest inventions and technology, which benefits (有益) him a lot. It helps him find rich writing materials (材料).

    Mihai Andrei: Editor-in-chief

    ZME Science author profile | e-mail: andrei@zmescience.com

    Main focus: geophysics, environment

    Andrei has put a lot of sweat and tears into ZME Science ever since he was a student. He is always looking for the most interesting subjects, presenting them in a way that everybody can understand. He believes that education is the key towards a better future and he tries to persuade people to become better persons of the planet. His background is in Geology and Geophysics, but now, he focuses more on environmental studies.