中考英语数词知识点解析

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2024年人教版中考英语基数词详解以及练习

2024年人教版中考英语基数词详解以及练习

中考英语基数词详解以及练习1)中考英语基数词详解基数词是用来表示数目或者数量的词,没有限定顺序。

从1到100的基数词都有固定的表达形式,其中1~12的基数词较为特殊,需要逐个记忆,如one(1)、two(2)、three(3)等。

而13~19的基数词,除了thirteen(13)、fifteen(15)、eighteen(18)外,其余均在十位基数词后加-teen构成,如fourteen(14)、sixteen(16)等。

对于20~90的整十位数,它们都以-ty结尾,例如twenty(20)、thirty (30)、forty(40)等。

在构成21~99的基数词时,先说“几十”,再说“几”,中间加连字符“-”。

例如,twenty-one(21)、thirty-four(34)、seventy-six(76)等。

基数词在句子中有多种用法。

它可以表示确切的年龄,如“The little girl is six years old.”(这个小女孩六岁了。

)也可以用来表示时间的具体分钟数,如“I'll meet you at ten minutes past eight.”(我将在八点十分和你见面。

)此外,基数词还可以用来描述数量、价格等,如“I have three apples.”(我有三个苹果。

)或“The price of the book is fifty dollars.”(这本书的价格是五十美元。

)另外,基数词在表达倍数、算式等方面也有特定的用法,比如“twice three is six.”(二乘以三等于六。

)或者“five plus five equals ten.”(五加五等于十。

)例句:表示数量:I have seven books on my desk.(我桌上有七本书。

)They planted two hundred trees last year.(他们去年种了两百棵树。

中考英语数词知识点总结

中考英语数词知识点总结

专题四数词知考点重点考点清单一、基数词、序数词以及和数词有关的表示法1。

基数词(1)基数词最基本的是下面这些,所有(2)其他基数词可以用下面的方式构成。

①21~99先说“几十”,再说“几”,中间加连字符.如:thirty—one boys 31个男孩② 101~999先说“几百”,再加and,然后再加末两位数(或末位数)。

如:three hundred and sixty-five days 365天③ 1000以上的数,先从后向前数,每三位数为一节,第一节前为thousand,第二节前为million,第三节前为billion,然后一节节表示。

如:seven thousand three hundred and sixty—two 7,3622。

序数词(1)序数词的基本构成是:一般以与之相对的基数词词尾加-th来构成.如:sixth 第六(2)下面这些基数词在变为序数词的时候,有另外的表达法,需特殊记忆。

如:one—first two—second three—third five-fifth eight—eighth nine—ninth twelve-twelfth(3)以ty结尾的基数词,要变y为ie,再加th。

如:twenty—twentieth forty—fortieth(4)若是多位数词,则前面为基数词,后面为序数词,照第一条变.如:twenty—one —twenty—first ninety—nine—ninety—ninth(5)在使用序数词时,通常前面加定冠词the;有时也可以加不定冠词a/an,表示“又一、再一”;当序数词前面已经有限定词时,则不需要加定冠词.3. 和数词有关的表示法(1)年月日的表示法:①年份用基数词表示,一般写为阿拉伯数字。

表示在哪一年,则一般在年份前加介词in。

如:in 1949 在1949年②月份词的第一个字母要大写,表示在哪个月份也要用介词in。

中考数词讲解

中考数词讲解

数词讲解一.数词分为基数词和序数词两种,基数词表数目,序数词表顺序。

基本构成(一)基数词——从1数到N1.1—12的基数词是独立的单词,即:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve.2.13—19的基数词以-teen结尾。

如:fourteen,seventeen等,但13,15,18较特殊,13—thirteen 15—fifteen 18—eighteen.3.20—90的整十位均以-ty结尾。

如:sixty,ninety,但20,30,40,50,80较特殊,20—twenty,30—thirty,40—forty ,50—fifty ,80—eighty.4.十位数与个位数之间要加连字符号―-‖,如:28—twenty-eight,96—ninety-six.5.百位和十位(若无十位则和个位)之间加and,如:148—one hundred and forty-eight,406—four hundred and six.6.hundred(百),thousand(千),million(百万),billion(十亿)等前面即使有具体的数词,也不能在它们的后面加s.如:600—six hundred, 8百万—eight million.7.1000以上的数字,从后往前数每三位加一个逗号―,‖第一个逗号前为千(thousand),第二个逗号前为百万(million),第三个逗号前为billion(十亿)。

英语中无―万‖这个词,我们可以用―几十个千(thousand)‖表示几万,―几百个千(thousand)‖表示―几十万‖。

如:2,510=two thousand five hundred and ten;84,296=eighty-four thousand two hundred and ninety-six;274,350=two hundred and seventy-four thousand three hundred and fifty.8.hundred,thousand,million用复数形式修饰名词时要用―of+复数名词‖,如:数以百计的年轻人hundreds of young people;数以千计的书thousands of books.注意:hundreds of/thousands of/millions of +复数名词,其前面不能加具体的数词,但可加several或many.Hundreds of new buildings have sprung up here this year.Thousands upon thousands of people in South Africa are rising against their oppressors.Thousands and thousands of people come to visit the city every day.(二)序数词——由基数词转变而来,表示―这是第N个‖1.口诀巧记基数词变序数词:―一、二、三,特殊记,八去‖t―,九去‖e―,‖ve―要用‖f―替,见‖y―变成‖i―和‖e―,词尾加上‖th―,若是遇到几十几,只变个位就可以。

2023年中考英语复习语法知识精讲(数词+介词+连词)

2023年中考英语复习语法知识精讲(数词+介词+连词)

中考英语语法专题10:介词、连词和数词用法精讲。

一、数词1.确数和约数(1) 当我们说“几百”、“几千”这样一些确数时,“百”“千”是不能用复数形式的。

结构是:数词+hundred/thousand/million/billion+名词复数。

five hundred五百; three thousand三千; two million两百万; six billion六十亿。

(2)当hundred, thousand, million加上s后,它们就成了概数,表示“数百”、“数千”、“数百万”等概念。

而且通常接of,表示“成百的”,“数以千计的”,“成千上万的”,“亿万的”等。

结构是:hundreds/thousands/millions/billions+of+名词复数。

eg: hundreds of new tall buildings.2.数词和冠词的关系(1) 一般情况下,序数词前要加定冠词the,但基数词前不加冠词。

He failed in the first try.My number is forty-nine.(2)a/an+序数词,表示“又一、再一”。

The monkey ate a second banana.(3)of the+基数词,表示“范围”。

You can choose a toy of the two as a birthday present.3.“数词+more”与“another+数词”(1) another表“另一个”时只跟可数名词单数,而表“另外的、额外的、附加的”之意时,可跟带有few或具体数字的复数名词,此时可把“数词+复数名词”看作是一个整体。

如:Mr Smith asked me to fetch another three CDs.(2) other表“另外的”接复数名词,如与具体数词连用,则置于数词之后,但与定冠词the连用时,other要放在数词前。

中考英语常用语法知识——数词知识点总结(含答案解析)

中考英语常用语法知识——数词知识点总结(含答案解析)

一、选择题1.__________wonderful time we had watching the birds yesterday!A.How B.How a C.What a D.What C解析:C【解析】【详解】句意:昨天我们看鸟玩得多开心啊!考查感叹句。

how和what都可用于引导感叹句:how修饰形容词或副词,what修饰名词或名词性短语。

a time指(或长或短的)一段时间,句中“wonderful time美好时光”表示单数含义,需用“what + a/an +形容词+名词+主谓”结构;根据句意结构,可知选C。

【点睛】感叹句通常有以下形式:一、How+形容词〔或副词〕+S+V…!二、What a [an] +形容词+名词+S+V…!若名词为不可数或复数的话,就不能用不定冠词。

例如:What bad weather we’re having! 多讨厌的天气!三、How+形容词+ a [an] +名词+S+V…!2.—________ fine day! We can fly kites today.—Yes, let's go.A.What a B.What C.How D.How a A解析:A【解析】【详解】句意:——多么好的天气呀!我们今天可以放风筝。

——是的,我们去吧。

考查感叹句。

英语中感叹句一般有两种结构:what +(a/an)+形容词+名词+主语+谓语!名词是复数或不可数名词,不加a/an;how+形容词/副词+主语+谓语!根据句意理解可知,这里感叹句中省略了主谓部分,且空格后面的名词是可数名词的单数形式,故用what a来修饰。

故选A。

【点睛】注意英语中感叹句的用法结构。

1. What+a/an+形容词+单数可数名词+主语+谓语!2.What+(形容词)+可数名词复数或不可数名词+主语+谓语! 3. How+形容词/ 副词+主语+谓语! 4. How+主语+谓语!做题时要根据句子结构来分析应该用哪个结构。

中考英语数词考点

中考英语数词考点

中考英语数词考点数词:表示数目多少或者顺序先后的词叫数词,它有两种形式:表示数目多少的叫基数词。

例如:one一,two二,three三,four四。

表示顺序先后的词叫序数词。

例如:first第一,second第二,third第三,fourth第四,fifth第五。

中考对数词的要求是:基数词表示数目和号码的用法;基数词表示年级、班级、房间和编号的用法;hundred,thousand,million和billion的用法;序数词表示次序的用法;分数的表达方式及用法;定冠词the和序数词连用知识点等。

1.基数词:A. 基数词的构成:(1) 1-12的基数词是:one 1,two 2,three 3, four 4,five 5, six 6, seven 7,eight 8,nine 9, ten 10, eleven 11, twelve 12。

(2) 13-19的基数词:分别在3-9的基数词后加词缀-teen,但要注意几个特殊变化的基数词: 13-thirteen,15-fifteen,18-eighteen。

(3) 20-90的逢十的基数词:分别在2-9的基数词后加-ty构成,即:20-twenty,30-thirty,40-forty,50-fifty,60-sixty,70-seventy,80-eighty,90-ninety。

(注意20,30,40,50,80拼写的特殊变化。

)(4) 21-29的基数词:由十位数20的单词形式twenty加个位数1-9构成。

中间用连字符。

即: 21-twenty-one,22-twenty-two,23-twenty-three,24-twenty-four,25-twenty-five, 26-twenty-six,27-twenty-seven,28-twenty-eight,29-twenty-nine。

其他的十位数照此类推。

(5) 百位数是由1-9加hundred构成。

九年级英语中考复习《数词》考点突破(带详解)

中考英语复习《数词》考点突破近年来,中考英语试题中针对数词的考点主要有:确切数量与模糊数量表示法;年龄、年代表示法;分数词表示法;“基数词十名词”构成的合成形容词;基数词与序数词辨异。

【考点一】确切数t与模糊数且表示法●当hundred, thousand, million等前面有不定冠词a或one, two, three, four等数词时,hundred, thousand, million等要用单数形式表示“确切数量”。

如果表示“数百、数千、数百万”等“模糊数量”时,hundred, thousand, million要用复数形式,且后面要与of连用。

如:a hundred people“一百人”,four thousand cars “4000辆车”,seven million dollars“700万美元”,hundreds of computers“数百台电脑”,thousands of trees“数千棵树/成千上万棵树”,millions of stars“数百万颗星星”等。

●表示“模糊数量”时,还可用and连接两个数词hundred, thousand或million,此时这两个数词都要用复数形式,后面同样都要与of连用。

如:hundreds and thousands of“千千万万的”,hundreds and millions of“亿万的”等。

【中考链接】1. visitors came to take photos of Hongyadong during the vacation. (2018年重庆A卷)A. ThousandB. Thousand ofC. ThousandsD. Thousands of2. people visited Hongyadong, Chongqing on May Day this year.(2018年重庆B卷)A. ThousandB. ThousandsC. Thousand ofD. Thousands of3. The CCTV program The Readers interests people of all ages. (2018年孝感)A. thousandB. thousandsC. thousand ofD. thousands of4. Nowadays, farmers leave their home town to search for work in the cities.(2018年滨州)A. million ofB. two millionsC. millions ofD. two millions of5.-England is becoming a popular tourist destination now.-I think so. people come here every summer vacation.(2017年恩施)A. Hundreds and thousands ofB. Hundred and thousand ofC. Hundreds and thousands【答案与解析】1. Do thousand前没有不定冠词a或one,two, three, four等数词时,要用thousands of表示“模糊数量”,意为“成千上万的”。

中考英语知识点-数词

中考英语知识点-数词2016中考英语知识点-数词数词是表示数目多少或顺序先后的词。

那么中考英语知识点数词语法有哪些要点呢?下面跟店铺一起来看看吧!Ⅰ.直击中考数词分为两种:基数词和序数词,表示人或事物数量多少的数词,叫基数词,如one,two,three,ten;表示人或事物的顺序的数词叫序数词,如first,second,third,fourth等。

在中考中主要考查的是:(1)基数词、序数词、分数词、小数、百分数、倍数的表达;(2)日期、时刻、年代、年龄的表示法;(3)掌握表数目的名词(如dozen,score,hundred,thousand,million等)的有关用法,以及“许多”的表示法。

平时备考时,考生应将用基数词或序数词表示物的正确形式加以对比、归纳、总结、熟练掌握以及牢记常用的数位名词所表示的数目大小等。

Ⅱ.知识精讲1)数词知识结构2)数词知识点剖析:A.基数词1.基数词的构成及读法①1-12的构成为独立单词②13-19的构成都以后缀-teen结尾,但thirteen,fifteen,eighteen为不规则变化③20-90的构成都以后缀-ty结尾,但twenty,thirty,forty,eighty为不规则变化④21-99的构成是在十位数和个位数之间加连字符- e.g.25 twenty-five⑤三位数101-999的构成要注意百位数和十位数(个位数)之间用and连接。

e.g.901 nine hundred and one⑥英语中没有“万”这个单位,1000以上而不到100万的数词都用thousand表示⑦百万 1,000,000:one (a) million⑧千万 10,000,000:ten million⑨亿 100,000,000:one (a) hundred million⑩十亿 1,000,000,000:one (a) thousandmillion(等于美国英语a billion)注:英语数字中,只有hundred后才加and2.基数词的作用①作主语 e.g.Two of the girls are from California.姑娘中有两个来自加州。

《中考英语》初中英语语法知识—数词的知识点总复习附解析

一、选择题1.There are ________ teachers in our school, ________of them are women teachers.A.two hundreds ; three fourth B.two hundred ; three fourthsC.two hundred; three forths D.two hundreds; three fourths 2.Christmas Day is on ______ of December.A.twenty-five B.twenty-fifth C.the twenty-fifth 3.—How do your students improve their English writing?—Well, about ______________ of the students like keeping diaries in English in our class. A.two fifth B.two fifths C.second five D.two five4.It is reported that people throw ______________ plastic bags along this street every day. A.three hundreds of B.three hundreds C.hundreds of D.hundred of 5.The shoe factory is only about ______ walk from our school.A.half an hour’s B.half and an hour’s C.half an hours’6.--Many young people came to Zhongshan in ______.When did he come to Shenzhen?---When he is an ______ boy,he came here with his parents.A.1980s; eight years oldB.1980s; eight-year-oldC.the 1980s; eight-year-oldD.the 1980s; eight-years-old7.Next Friday is my daughter’s birthday. So I will buy her a cake with candles.A.five; fifth B.twelfth; twelve C.nineth; nine8.________of the students in our class________ going to the summer camp in Beijing next week.A.Two fifths; are B.Second fifths; are C.Two fifths; is D.Two fifth; are 9.This is our _______ school year, we are going to graduate in two months.A.third B.three C.the third10.The environment here becomes better and better. ______________ birds are coming back. A.Thousands of B.Thousand ofC.Thousands D.Thousand11.— How was your weekend? —Great ! It was my grandfather’s ______birthday. He was born _____.A.ninety, in the 1920 B.ninetieth, in the 1920sC.the ninetieth, on the 1920s D.nintieth, on the 192012.I think we've learnt English words so far.A.hundred of B.nine hundreds C.hundreds of13.-Hi, Cathy. Did you watch the Spring Festival Gala on New Year’s Eve?-Of course, I can’t miss it. And I know more than 646 ______ people in China and overseas watched the show on television.A.million B.millions of C.millions D.million of 14.______of the teachers in our school is 118, ______ of them are women teachers. A.The number; first fourth B.The number; one fourthC.A number; one second D.A number; three quarters15.Every day, _______ people wait to watch the raising of the national flag at Tian’anmen Square.A.thousands B.two thousands C.thousand of D.thousands of 16.--- Which is the biggest number of the four?--- ______.A.One third B.A half C.Two thirds D.A quarter 17.—Good news! We will have a ________ holiday.—I’ve heard of it. But it’s coming in ________.A.three days; three days’ time B.three days’; three days’C.three-day; three days D.three days; three-day time 18.—Hi, Jack! What about playing soccer after school?—I’d love to, but it’s my grandfather’s ______ birthday and we will have a celebration. A.ninetith B.ninetieth C.nintieth 19.Father’s Day is on _________ Sunday of June.A.three B.the three C.third D.the third 20.Jim failed twice, but he wanted to have __________ try.A.a second B.a third C.the second D.the third 21.—Simon, how old is your father this year?—______. And we just had a special birthday party for his _____ birthday last Sunday. A.Fortieth; forty B.Forty; fortyC.Forty; fortieth D.Fortieth; fortieth22.My grandparents live in an old apartment with floors and they are on the floor. A.fifth; three B.fifth; third C.five; three D.five;: third 23.We’ve planted ________ trees in the center of our city this year.A.hundred B.hundreds C.hundredth D.hundreds of 24.A year is divided into ______ months. September is the _____ month of the year. A.twelve, ninth B.twelve, nineth C.twelfth, ninth D.twelfth, nineth 25.In China, about ___________ of people live in the country.A.three fifth B.third fifthC.three fifths D.three fives【参考答案】***试卷处理标记,请不要删除一、选择题1.C解析:C【解析】试题分析:句意:在我们学校有两千老师,他们中的四分之三是女老师。

中考英语数词考点归纳与例析

中考英语数词考点归纳与例析【重点讲解】数词分为基数词和序数词两种,表示事物数目的词称为基数词如one, two, three, forty 等;表示事物顺序的数词称为序数词。

如first, second, third, fortieth等。

数词的用法要注意一下几点:1、基数词和序数词的拼写形式。

主要掌握1-12及20、21等的序数词的形式,其它序数词都是在基数词末尾加-th,是有规律可循的。

one—first six—sixth eleven—eleventhtwo—second seven—seventh twelve—twelfththree—third eight—eighth thirteen—thirteenthfour—fourth nine—ninth twenty—twentiethfive—fifth ten—tenth twenty-one—twenty-first另外,序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成。

例如:1st, 25th。

2. 时刻表达法。

表示时刻有两种说法:1) 先说分钟,后说钟点。

几点过几分,分钟不超过三十分钟时用past。

例如:It’s five past eight now. 现在是八点(过)五分。

几点差几分或差几分几点,差的分钟数不超过二十九分钟时,用to。

例如:It’s twenty-nine to eight. 八点差二十九分。

It’s a quarter to eight. 差一刻八点。

2)先说钟点,后说分钟。

在日常生活中,为了简便,常用这种说法。

例如:It’s eight thirty.八点三十分。

3.年、月、日表达法。

1)年份用基数词表示,一般写为阿拉伯数字,读时可以以hundred为单位,也可以以世纪、年代为单位分别来读。

如:1949 读作nineteen hundred and forty-nine 或nineteen forty-nine;2000读作twenty hundred,或two thousand。

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中考英语数词知识点解析(一) 知识概要数词用来表示人或物的数目多少和顺序。

所以数词主要有两种:基数词,用于计数,如:one, two…而序数词用于表示位置先后或次序,台:first second…其构成法如下:阿拉伯数字基数词序数词简写序数词1 one first 1st2 two second 2nd3 three third 3rd4 four fourth 4th5 five fifth 5th6 six sixth 6th7 seven seventh 7th8 eight eighth 8th9 nine ninth 9th10 ten tenth 10th11 eleven eleventh 11th12 twelve twelfth 12th13 thirteen thirteenth 13th14 fourteen fourteenth 14th15 fifteen fifteenth 15th16 sixteen sixteenth 16th17 seventeen seventeenth 17th18 eighteen eighteenth 18yh19 nineteen nineteenth 19th20 twenty twentieth 20th21 twenty-one twenty-first 21st30 thirty thirtieth 30th40 forty fortieth 40th50 fifty fiftieth 50th60 sixty sixtieth 60th70 seventy seventieth 70th80 eighty eightieth 80th90 ninety ninetieth 90th100 a(one)hundred hundredth 100th104 one hundred and four hundred and fourth 104th1000 a(one) thounsand thounsandth 1000th10000 ten thounsand ten thounsandth 10000th1000000 one million millionth 1000000th基数词与序数词都有一定的构成方法,但都有特殊例外的几个字,所以除了要学会一般构成法之外,还要特别记熟一些例外。

因它们在考试中出现的频率很高。

1基数词构成结构21~99的两位数字,在10位和个位之间加连字符构成,如89-eighty-nine.101~999的三位数字,由hundred 加and 再加二位数或未位数字,如:101-one hundred and one, 223-two hundred and twenty-three.四位以上数字,应从个位起向前数三位加逗号,读作thousand,再数三位加第二个逗号,读作million,再数三位加逗号,读作billion,其读法如下:1001-one thousand and one5386-five thousand, three hundred and eighty-six要注意的是hundred, thousand, million与billion的用法。

①前面有别的基数词时,即若干个百、千、百万、十亿时,其本身都不要加s,如:three hundred students。

②若表示成百,成千或数百,数千时,前面不能有基数词,但其本身要用复数形式,然后+of+名词复数。

如:thousands and thousands of。

(成千上万)2序数词的构成法序数词除first, second, third 以外,其余一般在词尾加th构成,除一般略有差异的各别数词外,很容易掌握。

其二位数或多位数只将后面的个位数字改为序数词,其前面各位数字均不改变,都用基数词。

3其他数字表示法小数的小数点读作point,零读作o[u]或zero,小数点后面的数字按个位基数词依次读出。

分数分子用基数词,分母用序数词,当分子大于1时,分数要在序数词上加s,但1/2用one half, 1 4 用a quarter. 13读作one third而23读作two thirds。

百分数(%),读作per cent (percent),但不论是多少均用作单数形式不能加s。

表示日期有两种说法和四种写法,如:2月1号英语表达法为:the first of February而美语为February (the) first,但其书写上可有四种写法①February 1 ②February 1st ③1st February ④1/2。

倍数的讲法有所不同。

两倍用twice,而三倍以上用序数词加times,如:He has three times as many books as I have.(二) 正误辨析[误]1107 should be read as a thousand a hundred as seven.[正]1107 should be read as one thousand one hundred and seven.[析]在读数字时,如:and前只有百或千时,用one hundred/ one thousand 还是a hundred /a thousand全是可以的。

但如果文有百又有千时,则只能用one不要用a。

如果没有and时,如:1100也只能读作one thousand one hundred 或eleven hundred.[误]I drove about half mile.[正]I drove about half a mile.[析]半小时为half an hour, 半天为half a day, 半镑为half a pound, 尽量避免用half a year, half a month, 要用six months, two weeks 或fifteen days 要注意的是Half of the work is done Half of the books are sold. 当Half 作名词时,其谓语动词要看of后面的名词而定。

如名词是不可数名词则用单数谓语动词,如是复数名词时,则要用复数谓语动词。

要注意的是一个半的表达法,如:One and a half apples is left on the table.其名词要用复数,但谓语动词则要用单数。

[误]60 students are playing on the ground.[正]Sixty students are playing on the ground.[析]在句首的数字要用文字而不要用阿拉伯数字,如数字过大则应放于句中,用阿拉伯数字。

如:There are 166 students playing on the ground.[误]He became famous around fifty years old.[正]He became famous in his fifties.[析]in his fifties 50多岁时,而in the fiflies 在50年代。

[误]There are about two thousands workers in our factory.[正]There are about two thousand workers in our factory[析]几千,几百的表达法是基数词加thousand或加hundred,而且均不要加s。

这样的单位还有dozen(打),score (20年)等。

[误]In the morning there are hundred of old people walking in the park.[正]In the morning there are hundreds of old people walking in the park.[析]当表达数百,数千时,要用hundreds of和thousands of 这一结构。

[误]The class begins at eight a. m.[正]The class begins at 8 a. m.[析]与符号或与缩写的字母连用时一定要用数字,如:43%,67, No.2…[误]Two fifth of the books are sold out.[正]Two fifths of the books are sold out.[析]分数表示法,分子用基数词,分母用序数词,但分子大于1时,分母要在序数词后加s。

[误]Tom was born on July eighteen.[正]Tom was born on July eighteenth.[析]月日的表达法有美语和英语两种。

美语July 18 读作July eighteenth英语July 18th 读作July the eighteenth[误]I'll go to school at 7∶30a. m. in the morning.[正]I'll go to school at 7∶30a. m/ at 7∶30in the morning.[析]a. m 即表达在早上之意,不要再用in the morning.[误]The film will begin at three quarters past one.[正]The film will begin at one quarter to two.[析]大于30分钟时不要使用past,而要用差多少不到几点的to来表达。

[误]Three time three is nine.[正]Three times three is nine.[析]times 此处作为"乘"讲一定要加s。

英语中乘除法表达式如下:算法种类例句加法一般Five and six is eleven.正式Five plus six is (equals) eleven.减法一般Eight take away four leaves (is) four.Four from Eight leaves (is) four.正式Eight minus four equals (is) four.乘法一般Three fours are twelve 3×4=12正式Three times four equals (is) twelve.一般Two in to four is two.正式Four divided by two equals two.(三) 例题解析1- How many students are there in your school, Mike?- There are over ___students in our school.A. two thousandsB. two thousands ofC. two thousandD. two thousand of[答案]C.[析]有基数词在前面时thousand,hundred 等词不能加s,也不能加of结构,只有在thousands of时才可以使用。

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