所属成套资源：人教版（pep）小升初英语语法专项复习讲义
人教版（pep)小升初英语语法专题复习讲义 4.数词
展开数 词 一．数词的定义和分类在英语中表示数目或顺序的词称为数词。表示数目的词称为基数词，如1,2,3......。表示数目顺序的词成为序数词，如第一，第二，第三........。还有以基数词和序数词合成的分数词。二．基数词：1. 1-12（独立的基数词）1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten11 eleven 12 twelve2. 13-19（有对应的个位数加后缀teen构成，但要注意13,15,18 的基数词构成）13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen3. 20-99(1)20-90整十位数（由2-9加后缀ty构成，注意20-50整十位数构成）20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety(2)21-99非整十数（由整十位数+个位数构成，十位数和个位数之间用-连接）22 twenty-two 33 thirty-three 44 forty-four 55 fifty-five 67 sixty-seven 71 seventy-one 88 eighty-eight 96 ninety-six4. 100--999(1)100-900整百位数（由1-9后面加hundred构成）100 a/one hundred 200 two hundred 300 three hundred 400 four hundred 500 five hundred 600 six hundred 700 seven hundred 800 eight hundred 900 nine hundred(2)101-999非整百数（由整百位数+整十位数+个位数构成。百位数 和十位数之间用and连接。十位数和个位数之间用连字符-连接。如果没有十位数，则百位数和个位数之间用and连接）101 one hundred and one 232 two hundred and thirty-two 320 three hundred and twenty 444 four hundred and forty-four 507 five hundred and seven 621 six hundred and twenty-one 796 seven hundred and ninety-six 811 eight hundred and eleven5. 千以上的基数词：英语中没有专门表示“万”“亿”的说法，但是却有专门表示“百万”“十亿”的说法，分别是million,billion.一千 a/one thousand 五千five thousand 一万 ten thousand 六万 sixty thousand一百万 a/one million 四百万 four million 十亿 a/one billon 二十亿 two billon特别注意：hundred, thousand, million 表示具体几百，几千，几百万时不能加s. 但是在下面词组中常加s, 后面还要跟介词of. 表示约数。hundreds of（数以百计的）; thousands of（数以千计的）, millions of（数以百万计的）, thousands and thousands of 成千上万的三．序数词：1. 序数词的构成 变化方式 举例 备注第一，第二，第三 特殊变化first ( 1st ) second ( 2nd ) third (3rd ) 第四至第十九在基数词后面加上后缀-thfourth ( 4th ); fifth; sixth; seventh; eighth; ninth; tenth; eleventh; twelfth; thirteenth; fourteenth; fifteenth; sixteenth; seventeenth; eighteenth; nineteenth这类序数词共有16个特别关注：5；8； 9；12的序数词！ 第二十至第九十(整十位数） 变y为i加ethtwentieth; thirtieth; fortieth; fiftieth; sixtieth; seventieth; eightieth; ninetieth共8个，全是十位整数。第二十一至第九十九(非整十位数）十位不变，仅把个位上的基数词变成序数词，表示“第几十几”。twenty-first thirty-first;forty-third sixty-second;eighty-seventh; ninety-eighth 2. 序数词的用法1， 序数词做定语时一般要加定冠词：the first time, the second day; 但当表示“再一”“又一”时，通常加不定冠词 ：Will you try a second time? 要不要再试一次？2， 事物的“编号”可用序数词，也可用基数词，当数字较长时多用基数词：the first part—part one; the tenth lesson—lesson ten; the eighth page—page eight; Room 4038; 175 Daxue Road; Number 5; bus No, 3; 3， 日期中的“几号”可用基数词，也可用序数词，要注意读法：Oct. 1 或 Oct. 1st 读作：Oct. (the) first. 或the first of Oct.4， “the first +可数名词复数”表示“前几个…” “头几个…” : the first two pages 前两页。四．分数词：1.分数词由基数词和序数词构成，分子由基数词表示，分母由序数词表示，当分 子大于“1”时，分母中序数词要用复数形式：(子基母序） 1/3—one-third; 2/3—two-thirds2. “百分比” 的表达法由“基数词+percent” : 50%--fifty percent3. 带“小数点”的数只能用基数词，“点”用point表示：3.1415926读作：three point one four one five nine two six五．年月日，时刻和四则运算： 1. 2008年8月8日：Oct. 8, 2008或Oct. 8th, 2008 2000年：the year two thousand 20世纪80年代：1980’s 或nineteen eighties 2. 表示时间：(1) 整点：用基数词表示，o’clock可以省略 9:00 nine (o’clock)(2) 几点过几分：30分钟以内，包括30分钟，可以用介词past, 即分钟数+past+小时数9:10 nine ten/ ten past nine9:15 nine fifteen / a quarter past nine9:30 nine thirty / half past nine (3) 几点差几分：30分钟以上，不包括30分钟，可以用介词to, 即（60-分钟)+ to+ (小时+1) 8:40 eight forty /twenty to nine 9:45 nine forty-five / a quarter to ten10:50 ten fifty/ ten to eleven3. 数学运算，这时谓语动词用单数1+2=？ 读做：How much is one plus two? It’s three.1+2=3 读做：one plus/and two is/makes three.9-5=4 读做：nine minus five is/makes four.8x9=72 读做：Eight times nine is/makes seventy-two10÷2=5 读做：Ten divided by two is/makes five.4. 几个与数目有关的词语的英语表达方式如下：几个—several; a few一打—a dozen ( two dozen:两个)二十—score (two score:四十)好几十、许多—scores of, dozens of几百—several hundred, a few hundred一半--half5.介词in + one’s +整数数词的复数 表示年龄：in his twenties. 在他20多岁的时候。6.货币表示法： ￥4.50: four yuan fifty fen ￡ 9.35: nine pounds thirty-five pence ＄19.20: nineteen dollars twenty cents 小升初专项练习—数词一、按要求变化下列单词 five ( 序数词 ) ___________ twelve ( 序数词) ___________ eight ( 序数词)____________ nine ( 序数词 )____________ thirty ( 序数词 )____________ eighty-three( 序数词 )____________ first (缩略形式)___________ twenty-second (缩略形式)__________ sixth (缩略形式)___________二、写出下列节日的准确日期 1, Children’s Day is on the ___________ of June. 2, The Women’s Day is on the _________ of March. 3, New Year’s Day is on the __________ of January. 4, National Day is on the first day of __________. 5, The Olympic Games will be opened on the eighth day of _________ in Beijing.三、单项选择1, His uncle has lived at _______ for ten years.No. 103 Xinhua Street B. 103 Xinhua Street C. Xinhua Street 103 D. Xinhua Street No. 1032, There are ______ students in the park.A. hundreds of B. hundred of C. hundreds D. hundred3, ---How far is the small village from London? --- It’s about _______ kilometers.seven hundred and twenty two B. seven hundred and twenty-two C. seven hundreds and twenty-two D. seven hundred twenty two4, Look! There are _______ in sky.A. thousand stars B. thousand of stars C. thousands of stars D. thousands of star5, 365 reads _______.three hundred sixty five B. three hundreds sixty five C. three hundred and sixty five D. three hundred and sixty-five.6, Lucy and Lily are in ______.A. Row Fourth B. the Row Four C. Row Four D. Four Row7, September is ______ month of the year.A. nine B. nineth C. the ninth D. the nineth8, _________ is the most difficult in this book.A. Lesson ninth B. The ninth lesson C. Ninth Lesson D. The nine lesson9, The Yellow River is ________ longest river in China.A. the first B. the second C. first D. the third10, __________ of the students are Young Pioneers in our class.A. Two three B. Two threes C. Two thirds D. Second three11, ---How many times have you been to Japan? --- _________.A. For the third time B. Three times C. a third time D. For three times12, ---How soon will you finish reading the book? ---In _______.A. one or two weeks B. one week or two C. a week and two D. a or two weeks13, Mary was born ________.A. in 1985, June 1 B. on June 1, 1985 C. at June 1, in 1985 D. in June 1, 198514, How old is your father? He is _______.fourty-one B. fouty one C. forty-one D. forty one
