2023年中考英语一轮复习语法知识+语篇能力训练02数词要点精读与.pdf
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1、备 战 2023年中考英语一轮复习语法知识+语篇能力双清(通用版)数词H.表示顺序的数次叫序数词:100以下的基本基数词100以上1-1011-1920-901001 one11 eleven20 twentya/one hundred;2 two12 twelve30 thirty10003 three13 thirteen40 fortya/one thousand;4 four14 fourteen50 fifty1,000,0005 five15 fifteen60 sixtya/one million;6 six16 sixteen70 seventy1,000,000,0007 s
2、even17 seventeen80 eightya/onebillion(美)8 eight18 eightteen90 ninetya/one thousand million(英)9 nine19 nineteen10 ten基本序数词的构成1st first11th eleventh20th twentieth30th thirtieth2nd second12th twelfth21st twenty-first40th fortieth3rd third13th thirteenth22nd twenty-second50,h fiftieth4th fourth14,h four
3、teenth23rd twenty-third60lh sixtieth5,h fifth15,h fifteenth24th twenty-fourth70th sevenyieth6th sixth16th sixteenth25th twenty-fifth80th eightieth7th seventh17,h seventeenth26th twenty-sixth90lh ninetieth8lh eighth18,h eighteenth27,h twenty-seventh100lh one hundredth9th ninth19th nineteenth28th twen
4、ty-eighty1,000th one thousangth10th tenth29th twenty-ninth1 000,000lh one millionth100,000,000th one billionth注意:基数词及序数词重要用法1.基数词的用法基数词用于表示事物的数量,在表示基数词时,要特别注意hundred,thousand,million,billion等几个词的用法:若其前用了基数词,则不论其面是否有。f,都必须用单数形式(此时若带o f则通常表示特定范围中的一部分);若泛指数百、数千、数百万等,则 用 hundreds of,thousands of,million
5、s o f 等这样的结构。如:Two hundred of the students are needed to plant trees this morning.今天中午需要 200 个学生去植树。Hundreds of people attended the famous directors farewell concert.好几百人出席了这位著名指挥家的告别音乐会。Thousands upon thousands of English words come from foreign tongues.成千上万英语单词来自外来语。2.基数词的复数用法逢整“十 的基数词的复数形式可用于表示某人
6、的大约年岁和世纪中的年代。如:The war broke out in the nineties.这次战争爆发于 90 年代。Karl Mark began to learn the Russian language in his fiftieth.马克思五十多岁开始学俄语。3.序数词的用法序数词用于表示事物的顺序,一般由与之相应的基数词加t h 构成(但有特殊形式需特别记忆);序数词主要用作定语,前面一般要加定冠词(或物主代词)。如:Their second son is a doctor.他们的二儿子是个博士。The hundredth cave that George has disco
7、vered in his lifetime is near the A lps.乔治一生中找至U 的第一百个山洞在阿尔卑斯山附近。注:序数词前有时可用不定冠词,表示“每一,又一”。如:Well have to do it a second tim e.我们将再做一遍。词尾加上-th(fourth,sixth)一、二、三,特殊例,结尾字母 t,d,d(first,second,third)八去 t,九去 e,(eighth,ninth)ve 要用 f 替;(fifth,twelfth)ty 将 y 改成i,th 前面有个e。若是碰到几十几,前用基来后用序。或记忆为:一、二、三,特殊记,词尾字母t
8、,d,d 八加h,九减e,逢十改y 为 ief 要把v e替,还有th 莫忘记【语言实践内容梳理】1.数词分基数词和序数词。基数词表示数目,序数词表示顺序。基数词(1)112为独立的单词,有其各自的形式。如 one,two,th ree,twelve等。(2)13 19都以teen结尾,单词中的两个音节都读重音。如 thirteen,fburteert.nineteen等。(3)20 90十位数的整数都以-ty结尾,单词中的第一个音节重读。如twenty,thirty.ninety等。(4)hundred 是“百,thousand 是“千,ten thousand 是万,one hundred
9、 thousand 是“十万”,million 是“百万”,ten million 是“千万”。(5)在表示一个具体的数目时,hundred,thousand,million 后面都不能加s。如:two thousand,seven million等。在表示一个不确定的数目时,hundred,thousand,million后面要加s。如:成千上万thousands of,数百万millions of 等。(6)20以上的基数词的读法:a.两位数的读法,在十位和个位之间加连字符(即如:22 twenty-two,35 thirty-fiveb.三位数的读法,在百位之后加“and”。如:136
10、one hundred and thirty-six,498 four hundred andninety-eightc.四位及四位以上数的读法,只在百位之后加a n d,而千位、万位以上的数后面不加任何词,只按顺序读。如:1 234 one thousand two hundred and thirty-four,5 864 327 five million eight hundred and sixty-four thousand three hundred and twenty-seven2.序数词 第一、第二、第三分别为first,second,thirdo(2)第四到第十九都由相应的
11、基数词加th 构成。如:fourth,seventh等。要注意fifth,eighth,ninth和twelfth的拼写法和读法。(3)十位数的序数词由相应的基数词去掉词尾y 加 ieth构成。如:twentieth,fiflielh等。(4)第二十一到九十九等,前面的十位数用基数词,后面的个位数用序数词,中 间 用 连 字 符 连 接。如:twenty-first,twenty-ninth,seventy-eighth 等。(5)第一百、第一千、第一百万分别在相应的基数词后面加由。即:hundredth,thousandth,millionth。(6)序数词之前一般要加定冠词或代词。如:Th
12、e second truck is carrying fewer baskets than the first one.This is her first visit to China.有时,序数词前用不定冠词,表示“再一、又一”的意思。如:He failed once.Then he tried a second tim e.他曾经失败一次,然后他又试了一次。3.年月日表达法年份,每两位数读一个词。如:1949 nineteen forty-nine 1900 nineteen hundred(2)先月后日,日子要读成序数词。如:5 月 1 日 May(the)first 可写成 May 1
13、3 月 8 日 March(the)eighth 可写成 March 8(3)先日后月,在月份之前加of。如:5 月 1 日 the first of May3 月 8 日 the eighth of March(4)年月日同时出现,把年代放在最后,年代前用逗号隔开。如 1949 年 10 月 1 日,可写成:the first of October,1949 或 October(the)first,1949。4.时刻表达法(1)用基数词,按顺序读。如:7:30 seven thirty,8:15 eight fifteen,12:00 twelve(oclock)(2)用介词past,pas
14、t之前为分钟数(须在半小时以内,包括半小时),past之后为钟点数。如:6:11 eleven past six,7:15 fifteen(a quarter)past seven9:30 thirty(half)past nine(3)用介词to,to 前为分钟数(须在半小时以上,不包括半小时),to 之后为下一个钟点数,表示“差 几 分 到 几 点 如:6:58 two to seven,7:45 fifteen(a quarter)to eight5.编号表达法(1)用 No.No.(读Number)后加数字,数字读基数词。如:No.1 Number One,No.3 bus Numbe
15、r Three bus(2)用序数词词序为:the+序数词+名 词 如:the first lesson,the Second World War(3)用基数词 词序为:名词(词首字母大写)+基数词(如用英语拼写,词首字母也要大写)如:Lesson One,Class Four,World War Twoo此种方法较常见,特别是当数字较长时。如:Room 306,No.106 Middle Schoolo6.分数表达法分子用基数词,分母用序数词,若分子大于1 时,分母要在序数词后加s。如:1/3,one third,2/5,two fifths 等。7.数学运算的表达法“加”用 plus或 a
16、nd,“减”用 minus,“乘”用 times,“除,用 divided b y,动词多用单数。如:3+5=8 Three plus/and five is eight.9-2=7 Nine minus two is seven.6x5=30 Five times six is thirty.8:2=4 Eight divided by two is fourC知识强化一、单项选择1.Ifs my time to volunteer at the old peoples home.And I will come for a fourth time next month.A.three B.t
17、hird C.four D.fourth2.1 go swimming times a week,on Monday afternoon,Thursday afternoon and Sunday morning.A.two B.four C.five D.three3.Is your uncle in his?Yes.His forty-first birthday is coming next month.A.forty B.forties C.fourteen D.fortieth4.一They had memorized most of the new words in the tex
18、tbook of last term.You mean of the new words?A.at the end;one-third B.in the end;four-fifthsC.by the end;three-fourths D.by the end;three-quarter5.一We have sixty students in our c l a s s.of them are boys.How many girls are there?一Forty.A.One third B.Two thirds C.A quarter D.A half6.Tonys mom looks
19、young and beautiful.It hard to imagine she is already in herA.fifties B.fifty C.fiftieths D.fiftieth7.There are fifty students in our class,and of us like football.A.two third B.two thirds C.two three D.second thirds8.Kunming has grown about bigger than it was 100 years ago.A.five timeB.five timesC.
20、fifth timeD.fifth times9.What should we do now,Mr Clark?Please turn to Page and look at the picture.A.Twelfth;fifth B.Twelve;fifth C.Twelve;five D.Twelfth;five10.Do you have enough students to clean the laboratory?一No,I think we need students.A.two anothermore11.It is reported that of the doctors se
21、nt to WuhanB.two others C.more two D.twopost-90s.They made their own efforts towin the virus battle.A.two fifth;is B.two fifth;are C.two fifths;are D.two fifths;is12.students went to the university to listen to the speech.A.Hundred of;120-minutes B.Hundreds of;120-minutesC.Two hundred;120-minutes D.
22、Two hundred;120-minute13.A player named Li Jianrou from China won Chinas first gold medal in 2014 Winter Olympics.A.27-years-old B.27-year-oldC.27 year old D.27 years old14.of the students entered the English Speech Competition.A.Second thirds B.Two thirdC.Two thirds D.Second three15.Thanks for the
23、project H o p e,c h i l d r e n get better education and have better lives.A.thousand B.thousandsC.thousand of D.thousands of16.A year is divided into months.March is the month of the year.A.twelve;three B.twelve;third C.twelfth;three D.twelfth;third17.The side of a square is 2cm.The area of a plane
24、 figure(平面图形)is 3 times as big as the square,whats thearea of this plane figure?A.Four square centimeters.B.Eight square centimeters.C.Six square centimeters.D.Twelve square centimeters.18.There are about five people in the city,arent there?A.million B.millions C.millions of D.million of19.There are
25、 Chinese people who won the Nobel Prize.Do you know them?Yes.Besides Mo Yan,Tu Youyou was the winner in the field of science.A.two;one B.second;firstC.two;first D.second;one20.Its reported that birds fly to Hanfeng Lake in spring every year.A.million B.millionsC.millions of D.million of21.It was my
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