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  3. The Book of Life So far, scientists have named about 1.6 million living species, and that’s a just a fraction of that probab

The Book of Life So far, scientists have named about 1.6 million living species, and that’s a just a fraction of that probab

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问题                         The Book of Life
    So far, scientists have named about 1.6 million living species, and that’s a just a fraction of that probably exists on Earth. With so many plants, animals and other creatures coveting the planet, it can be tough to figure out what type of spider is moving up your leg or what kind of bird is flying by.
    A soon -to-be - started Web site might help. An international team of researchers has announced the creation of Web - based Encyclopedia of life(EOL). The project aims to catalog every species on Earth in a single, easy-to -use reference guide.
    To get the encyclopedia started, the creators will use information from scientific databases that already exist. And eventually, in special sections of the site, nonscientist with specialized knowledge will get to join in. Bird -watchers, for example, will be able to input which bird they’ve seen and where. The technology for this kind of tool has only become available.
    As the EOL develops, you might find it useful for school projects. The site will feature special pages for kids who are studying ecosystems(生态系统) in their neighborhoods. To make sure the encyclopedia is accurate, scientists will review much of the information added to it. People who visit the site will be able to choose to leave out pages that haven’t been reviewed.
    Another convenient feature of the EOL is that you’ll be able to pick the level of detail you want to see to match your interest, age and knowledge. If you wanted to learn about bears for a science class report, for example, you could use the "novice" setting to get basic information about the animals. On the "expert" setting, on the other hand, you could get much more detailed information about the history, literature and exploration of bears.
    It now takes years for scientist to collect all the data they need to describe and analyze species. The creator of the Encyclopedia of Life hope that their new tool will speed up that process.
"Spider" and "bird" mentioned in Paragraph 1 are examples to illustrate______.
选项 A、there are numerous living species on Earth
B、animals are people’s friends
C、it is easy to see spiders and birds
D、here are many types of spiders and birds
答案A
解析 本题有一定难度，带着题干信息词回文章定位，答案依据主要在文章第一段：So far，scientists have named about 1．6 million living species．…it can be tough to figure out what type of spider is moving up your leg or what kind of bird is flying by．谈到了地球物种数量巨大，回来看选项，A项和原文句意相近，是答案。
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