聚焦中考英语【专题四 数词】
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数词【概念引入】数词是指表示数目多少或顺序先后的词。
数词用法相当于名词和形容词,在句中可用作主语、宾语、表语、定语、同位语等。
【用法讲解】一、基数词基数词的写法或读法表示数目多少的数词叫基数词。
如one, five,ten,thirty,sixty-five0 zero1 one 11 eleven 100 one hundred2 two 12 twelve 20 twenty 1,000 one thousand3 three 13 thirteen 30 thirty 1,000,000 one million4 four 14 fourteen 40 forty 10,000,000 ten million5 five 15 fifteen 50 fifty 100,000,000 one hundred million6 six 16 sixteen 60 sixty 1,000,000,000 one billion7 seven 17 seventeen 70 seventy 1,000,000,000,000 one trillion8 eight 18 eighteen 80 eighty9 nine 19 nineteen 90 ninety10 ten1. 基数词的写法或读法(1)对于20 以内的基本的数字,需要同学们牢记。
要注意其中的一些规律例:13-19 的数字都是“teen”结尾等(2)十位数与个位数之间要加连字符例:23 → twenty-three(3)百位数与个位数之间要加and例:201 → two hundred and one642 → six hundred and forty-two拓展:除此之外,较大的数字是将数字由右向左每三位加一个逗号,使一个数字分成几个小节,第一个逗号前用thousand(千),第二个逗号前用million(百万),第三个逗号前用billion(十亿),然后依次读出(写出)。
语法专项突破专题四 数词数字 基数词形式例词 0~12 各自独立zero 0;one 1;nine 9;twelve 12 13~19 3~9+重读teen 结尾 特殊:thirteen 13;fifteen 15;eighteen 18一般:fourteen 14;sixteen 1620~90整位数 以ty 结尾 twenty 20;thirty 30;forty 40;fifty 50;eighty 80两位数(几十几) 整位数个位数 thirty five 35三位数(几百几)...hundred +and +两位数 six hundred and sixtysix 666 多位数 从右向左数起,每隔三位数加一个逗号,依次读作thousand (千)、million (百万)、billion (十亿),逗号中间按三位数读 89,696,787,656eightynine billion,six hundredand ninetysix million,seven hundred and eightyseventhousand,six hundred andfiftysix数字 序数词变化规则 例词1、2、3 不规则变化 first ,second ,third4~19 基数词尾加th 特殊:fifth 第五;eighth 第八;ninth 第九;twelfth 第十二;一般:fourth 第四;nineteenth 第十九20~90整位数 ty 变为tie 再加thtwenty→twentieth;ninety→ninetieth 两位数或多位数(整数除外) 只变个位数(hundred ,thousand 等只在词尾加th )twentythird 第23;one hundred and fiftyninth 第159;hundredth 第100时省略the 。
中考英语专题讲座(四)数词导学案(有答案)二、英语书面表达专项训练2.假如你是李华,你的美国朋友Jack热爱中国的唐诗宋词。
最近他对母亲节你在博客里发的《游子吟》(Song of the parting son)很感兴趣,给你写信想了解该诗,请你根据以下提示给他回信:1.作者:孟郊2.时间:唐朝3.内容:母亲为儿子做衣服4.主题:母爱的伟大注意:1.文中不得出现你的真实姓名和学校名称;2.语言通顺,意思连贯,条理清楚,书写规范;3.词数: 80-100词左右,信件的开头与结尾已经给出,不计入总词数。
Dear Jack,I’m glad to hear from you. I know you are interested in this poem Song of the parting son._______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ ____________________________________________________Yours,【答案】Dear Jack,I’m glad to hear from you. I know you are interested in this poem Song of the parting son. Now I’m writing to tell you something about it.Song of the parting son is one of the most popular Chinese poems. It was written by Meng Jiao, a famous poet in Tang Dynasty. It describes a common matter in daily life—a mother making clothes for her son, which is familiar to most of us. It mainly shows how great a mother’s love can be. In a word, this short poem has touched many people’s hearts.If you have any other questions about this poem, please tell me.Yours,Li Hua 【解析】【分析】这是一篇材料作文。