2010中考英语重点语法词法考点四：数词
<p> 基数词: 表示人或事物数量多少的词.</p><p> 序数词: 表示人或事物的顺序的词.</p><p> 一. 基数词.</p><p> 1.基数词的读法.</p><p> 1)1---12 : <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> </p><p> 2)13---19: 词尾加-<span word="teen">teen</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> </p><p> 3)20,30,40,50,60,70,80,90 : 逢十词尾加-<span word="ty">ty</span> :<span word="twenty">twenty</span> <span word="thirty">thirty</span> <span word="forty">forty</span> <span word="fifty">fifty</span> <span word="sixty">sixty</span> <span word="seventy">seventy</span> <span word="eighty">eighty</span> <span word="ninety">ninety</span> </p><p> 4)21----99: 在十位与个位之间加连字符构成.</p><p> 21--- <span word="twenty">twenty</span>-<span word="one">one</span> 99---<span word="ninety">ninety</span>-<span word="nine">nine</span></p><p> 5)101---999 :先说几百, 再加<span word="and">and</span> ,再加末尾两位数或个位数.</p><p> 101---<span word="one">one</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="one">one</span> 238----<span word="two">two</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="thirty">thirty</span>-<span word="eight">eight</span> </p><p> 6)1000以上的数:先将数字从右往左数,每三位数用一个逗号隔开, 从右往左第一个逗号表示 千读<span word="thousand">thousand</span> 第二个逗号表示 百万读<span word="million">million</span> 第三个逗号表示 十亿读<span word="billion">billion</span></p><p> 18,657,421---<span word="eighteen">eighteen</span> <span word="million">million</span> ,<span word="six">six</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="fifty">fifty</span>-<span word="seven">seven</span> <span word="thousand">thousand</span> ,<span word="four">four</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="twenty">twenty</span>-<span word="one">one</span>.</p><p> 二. 序数词</p><p> 基数词变序数词</p><p> 口诀: 基变序,有规律,词尾要加<span word="th">th</span> .一二三,特殊记,词尾分别<span word="tdd">tdd</span>(<span word="first">first</span> <span word="second">second</span> <span word="third">third</span> )</p><p> 八去<span word="t">t</span> ,九去<span word="e">e</span>,<span word="ve">ve</span>要用<span word="f">f</span>替.<span word="ty">ty</span>变作<span word="tie">tie</span>,再加<span word="th">th</span>莫忘记.</p><p> 若遇几十几,只变个位就可以.</p>
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