2025年外研版中考英语总复习课件--数词

数词 主讲老师:kelly 考点解读 01 2 数词这一章考生需掌握基数词、序数词、分数、百分数、小数和倍数的表示法。 考试题型:语法选择题 数词的分类 基数词 序数词 表示数量多少 表示顺序先后 基数词 one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty thirty forty fifty sixty seventy eighty ninety 十几:-teen 几十:-ty 序数词 基变序,有规律,结尾字母是th.一二三,特殊记,结尾字母t、d、d.八去t,九去e,f要把ve替。ty变成tie,后面再加th.几十几,也好记,只变个位就可以。 first(1st),second(2nd),third(3rd), eight eighth, nine ninth, five fifth,twelve twelfth, twenty twentieth;thirty thirtieth twenty-one twenty-first forty-two forty-second 带hundred, thousand, million,billion的表达 百 千 百万 十亿 1.hundred前有明确的基数词,hundred不用加s 2.hundreds of 固定搭配,与of 连用,hundred要加s 3.带连字符和数词的,连字符里的任何一个单词都不需要加s ( )This company gave the staff a holiday.(2015年真题) A.two-week B.two-weeks C.two-week’s D.two-weeks’ 【答案】A 【解析】把two-week当作一个整体修饰holiday,与a+数字-year-old+名词用法类似。 ( ) people visit this museum every day. A.Hundred B.Hundreds C.Hundred of D.Hundreds of 【答案】D 【解析】表示约数与of连用时,hundred要加s。 分数、百分数、小数、倍数的表示 1.分数表示法 基数词代表分子,序数词代表分母。分子是1时,分子的基数词和分母的序数词都用单数;分子大于1时,分子的基数词用单数,分母的序数词用复数 1/3 one third 2/3 two thirds 2.百分数的表示法 基数词+percent 9%:nine percent 3.小数的表示法 基数词+point小数点+基数词 1.8:one point eight 2.87:two point eight seven 4.倍数的表示法 数词+times twice“两倍” three times“三倍” times 也有次数的意思 Love you more than three thousand times. 爱你不止三千遍. 倍数句型表示法 1.倍数+形容词(或副词)的比较级+than Our school is twice bigger than theirs. 我们学校比他们学校大两倍。 2.倍数+as+形容词(或 much)或副词+as Our school is twice as big as theirs. 我们学校是他们学校的两倍大。 3.倍数+the size(length,height,width,depth)of Our school is twice the size of theirs. 我们学校是他们学校的两倍大。 大小,长度,高度,宽度,深度 ( )This room is that one. A.four times as larger as B.four times the size of C.four times large D.four time as large as 【答案】 B 【解析】 (倍数+the size/height/length of+n.。) 5.号码、编号、系列号的表达 名词+基数词(大写首字母) Lesson One; Class Four; Page Ten; Room 101 五年级三班 Class Three,Grade Five the+序数词+名词 the first lesson; the forth class;the tenth page ( )The meeting will be held in . A.Room 201 B.201 Room C.the Room 201 D.the 201 Room 【答案】 A 【解析】 (201房间。) ( )His room is on floor. A.the three B.third C.a third D.the third 【答案】 D 【解析】 (the+序数词+名词,序数词前用the。) 6.年龄的表达 数字+years old The writer is thirty years old. a/an+数字-year-old+名词 The writer is a thirty-year-old boy. at the age of+数字 At the age of thirty in one’s+整数基数词的复数(在某人几十岁时) The writer is in his thirties. ( )Mary is a English girl.She is very lovely. A.15 year old B.15 years old C.15-years-old D.15-year-old 【答案】D 【解析】a+数字-year-old+名词。 7.时间表达 in 世纪年代 In the 1980s In the 1980’s 年份、季节、月份 in 1945; in spring; in March 上午、下午、晚上 in the morning;in the afternoon 大于一天 on 星期 on Monday 节日、具体某一天 On April 1st 带有修饰词的上午、下午、晚上、某一天 On a cold morning; 等于一天 at 钟点 At 7:00 黎明、黄昏、夜晚 At dawn; at dusk; at night 小于一天 年月日的表达: on+月份+日期+年份 on December 2nd,2019 ( )He was murdered(谋杀) . A.on April 14,1865 B.in April 14,1865 C.at 14 April,1865 D.in 14 April,1865 【答案】 A 【解析】 (具体到年月日介词要用on;顺序先月份+日期,最后年份。) 看 观 谢 谢 $$