中考英语复习重要考点详解：数词
<p> 一、知识点总结</p><p> 数词分为基数词和序数词两种;</p><p> (一)基数词在英语中表示数目的词称为基数词。</p><p> 1.基数词的构成</p><p> (1)1-20：<span word="one">one</span>,<span word="two">two</span>,<span word="three">three</span>,<span word="four">four</span>,<span word="five">five</span>,<span word="six">six</span>,<span word="seven">seven</span>,<span word="eight">eight</span>,<span word="nine">nine</span>,<span word="ten">ten</span>, <span word="eleven">eleven</span>,<span word="twelve">twelve</span>,<span word="thirteen">thirteen</span>,<span word="fourteen">fourteen</span>,<span word="fifteen">fifteen</span>,<span word="sixteen">sixteen</span>,<span word="seventeen">seventeen</span>,<span word="eighteen">eighteen</span>,<span word="nineteen">nineteen</span>,<span word="twenty">twenty</span></p><p> (2)21-99 先说几十，再说几，中间加连字符。</p><p> 23<span word="twenty">twenty</span>-<span word="three">three</span>,34<span word="thirty">thirty</span>-<span word="four">four</span>,</p><p> (3)101999先说几百，再加<span word="and">and</span>,再加末两位数或末位数;</p><p> 586<span word="five">five</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="eighty">eighty</span>-<span word="six">six</span>,803<span word="eight">eight</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="three">three</span></p><p> (4)<span word="l">l</span>,000以上,先从右往左数，每三位数加一个,,第一个,前为<span word="thousand">thousand</span>.第二个,前为<span word="million">million</span>,第三个,前为<span word="billion">billion</span>,然后一节一节地表示。</p><p> 9,785<span word="nine">nine</span> <span word="thousand">thousand</span>, <span word="seven">seven</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="eighty">eighty</span>-<span word="five">five</span></p><p> 6,260,309<span word="six">six</span> <span word="million">million</span> <span word="two">two</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="sixty">sixty</span> <span word="thousand">thousand</span> <span word="three">three</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="nine">nine</span></p><p> 750,000,000,000<span word="seven">seven</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="fifty">fifty</span>, <span word="billion">billion</span></p><p> 2.基数词的用法</p><p> (1)表示数量</p><p> <span word="Eg">Eg</span>. 一 <span word="How">How</span> <span word="many">many</span> <span word="books">books</span> <span word="would">would</span> <span word="you">you</span> <span word="like">like</span>?</p><p> 一<span word="I">I</span> <span word="would">would</span> <span word="like">like</span> <span word="two">two</span>.</p><p> (2)表示号码</p><p> <span word="eg">eg</span>.<span word="My">My</span> <span word="phone">phone</span> <span word="number">number</span> <span word="is">is</span> 6887789.</p><p> (3)表示时间</p>
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