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中考英语复习精品课件---数词.ppt

发布:2015-09-02约6.92千字共30页下载文档
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Numbers 基数词          1. 基数词 表示数目的词称为基数词。其形式如下: A.从1——10 one,two,three,four,five,six,seven,eight,nine,ten. B.从 11——19 eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen. 这里除 eleven, twelve, thirteen, fifteen, eighteen为特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其个位数形式后添加后缀-teen构成。 C.从 21——99    整数几十中除twenty,thirty, forty,fifty,eighty为特殊形式外,sixty,seventy,ninety都是其个位数形式后添加后缀-ty构成。表示几十几时,在几十和个位基数词形式之间添加连字符“-”  21 twenty-one  76 seventy-six D.百位数 个数基数词形式加“hundred”,表示几百,在几十几与百位间加上and. 101 a hundred and one   320 three hundred and twenty 648 six hundred and forty-eight E.千位数以上 从数字的右端向左端数起,每三位数加一个逗号“,”。从右开始,第一个“,”前的数字后添加 thousand,第二个“,”前面的数字后添加 million,第三个“,”前的数字后添加 billion。然后一节一节分别表示,两个逗号之间最大的数为百位数形式。 2,648 two thousand six hundred and forty-eight 16,250,064 sixteen million two hundred and fifty thousand sixty-four 5,237,166,234 five billion,two hundred and thirty-seven million,one hundred and sixty-six thousand,two hundred and thirty-four 热门考点: 1.Be in one’s + 整十的复数形式  My parents are in their forties.  Mr. Green is in her fifties. 2.表示数量的名词的使用:  前有,后没有;前没有,后要有。   Several hundred students five thousand people thousands of years ago millions of stars 热门考点: 3. 合成词:合成形容词是用连词号把两个或者两个以上的词连成一个形容词。(1)只能做定语;(2)合成形容词的名词一律用单数。  a five-star hotel, a seven-year-old boy, an eight-year-old girl, a two-day trip In fact, the leaning Tower of Piza is a 54.5-metre-tall bell tower. Learn how to say the following numbers (1) 100 one hundred (2) 1,000 one thousand (3) 200 two hundred (4) 1,000,000 one million (5) 210 two hundred and ten (6) 4,189 four thousand one hundred and eighty-nine (7) 15,362 fifteen thousand three hundred
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