2024年广东省中考英语总复习 词法专题课件 专题5　数词

专题五　数词 1 思维导图 精讲考点 考点1基数词 表示数目或者数量多少的词叫作基数词。 1.100以内的基数词 1-9 11-19 整十 几十几 one eleven ten twenty-one two twelve twenty twenty-two three thirteen thirty thirty-three four fourteen forty forty-four five fifteen fifty fifty-five six sixteen sixty sixty-six seven seventeen seventy seventy-seven eight eighteen eighty eighty-eight nine nineteen ninety ninety-nine 2.100及100以上的基数词 100(一百) a hundred 1,000(一千) a thousand 10,000(一万) ten thousand 100,000(十万) a hundred thousand 1,000,000(一百万) a million 10,000,000(一千万) ten million 100,000,000(一亿) a hundred million 1,000,000,000(十亿) a billion 101(一百零一) one hundred and one 420(四百二十) four hundred and twenty 658(六百五十八) six hundred and fifty-eight 2,638(二千六百三十八) two thousand,six hundred and thirty-eight 3,003(三千零三) three thousand and three 15,240,063(一千五百二十四万零六十三) fifteen million,two hundred and forty thousand and sixty-three 1,234,567,894(十二亿 三千四百五十六万 七千八百九十四) one billion,two hundred and thirty-four million,five hundred and sixty-seven thousand,eight hundred and ninety-four 3.基数词的用法 用法 说明 举例 表示 时刻 小时+分钟 7:25　 seven twenty-five 30分钟以内:分钟+past+小时 12:15　 fifteen past twelve 大于30分钟:(60分钟-分钟数)+to+(小时+1) 11:50　 ten to twelve 表示顺 序、编号 置于名词后 Unit 2　第2单元 数词前有No.:No.+基数词 the No.346 bus　346路公共汽车 用法 说明 举例 表示 年龄 基数词+year(s) old 15 years old 15岁 基数词+连字符+year-old a 15-year-old girl 一个15岁的女孩 in one’s+基数词复数 in her twenties 在她20几岁时 表示 年代 in+基数词 in 2019在2019年 (2023·广东,短文填空,72)Imagine that you travel back to 　hundred　 of years ago and brush your teeth comfortably.  考点小练 考点2序数词 表示顺序的词叫作序数词。 1.序数词的构成 100以下的序数词 1st—12th 13th—19th 20th—90th 1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth 11th eleventh 12th twelfth 13th thirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seven-teenth 18th eighteenth 19th nineteenth 20th twentieth 21st twenty-first 22nd twenty-second 30th thirtieth 40th fortieth 50th fiftieth 60th sixtieth 70th seventieth 80th eigh