初中英語數(shù)詞講解及習(xí)題

數(shù)的法一基詞表示人或事物數(shù)量多少的.基數(shù)詞讀法.1)1—1：onetwothreefourfivesixsevennineteneleven2)13詞尾加teen：thirteenfifteenseventeen3)20詞尾加tythirtyfortyfiftysixty4)2199:在十位與個位之間加連字符構(gòu).21twenty-one99---ninety-nine—999:先說幾百,再加and再加末尾兩位數(shù)或個hundredone238hundred6)1000以的數(shù)先將數(shù)字從右往左數(shù)每位數(shù)用一個逗號隔,從往左第一個逗號表示千讀thousand第個逗號表示“百讀第三個逗號表示“”18,657,421

million,hundredandfourtwenty-one.二序詞，表示人或事物的順序的.基數(shù)詞變序數(shù)詞的口:基變序有規(guī),詞尾要加th,殊記(firstsecondthird八去t九去要用f替ty變作tie,加忘記；若是遇幾十幾只變個位就可以。三數(shù)的應(yīng)用.表編號結(jié)：名詞(首字母要大寫基詞=the序數(shù)詞+名Lesson=thefirst※注：有些編號，一般僅用第一種表達(dá)法。101號房間Room101序數(shù)詞一般加定冠詞the但數(shù)前與不定冠詞連用時(shí),表示“又再一”You’vedoneitthreenottry____fourthtime?A.aB.anC.the數(shù)詞前,表示…/每…:every+基數(shù)詞復(fù)名詞=every+序數(shù)-1)單數(shù)名詞everyten=everyninthday每十天(每九天基數(shù)詞復(fù)數(shù)形式表示年代和年齡1)表示年代:inthe+年份的復(fù)數(shù)在幾世紀(jì)幾十年2)表年齡’s+整十的復(fù)數(shù)表在人幾十歲時(shí)//billion的法若//billion前基數(shù)詞時(shí),后不加也不加of.若沒有時(shí),既s也帶of._______cometoChina.TheretwoinourschoolthousandC.thousandsofthousandof若其前有few、many、修時(shí)，通常用復(fù)數(shù)，后of.若名詞前有the修時(shí)，用單數(shù)，后接of___theinourschoolthehundredB.hundredhundredsofhundreds幾個半表達(dá):基數(shù)詞and+a+名詞復(fù)數(shù)基數(shù)詞+詞單數(shù)/復(fù)數(shù)+ahalf1

twoandhalf=twoa時(shí)刻表:整點(diǎn)基詞+o’clock幾點(diǎn)幾:A)順讀法先小時(shí),讀分鐘3:25----twenty-fiveB).逆讀法a)分.分++小時(shí)3pastthreeb)＞分鐘.(分鐘)+to(小時(shí)數(shù)+3:55-----fivetofourc)分=half分鐘=45分=quarters---half3:15----apastthree----afour日期的:結(jié)構(gòu)月日年(日用序數(shù)詞年用基數(shù))※注年份的讀法:先前兩位再讀后兩位.讀日時(shí)要加1900---nineteen1807----eighteenandseveno2008---twothousand年月日Marchtwenty-first,thousandseven.2).月年+序數(shù)詞of+年年月日ofthousandandseven.分?jǐn)?shù)的:1).構(gòu):a).分用基數(shù),母用序數(shù)詞.當(dāng)分子大于時(shí)分母加復(fù)數(shù).three分?jǐn)?shù)詞的幾種特殊形式.—fourth—=分?jǐn)?shù)詞作主語時(shí)謂語動詞根據(jù)分?jǐn)?shù)詞后面的名詞來確.鞏練：一把列語成語第12課__________________2.號間______________________半時(shí)4.每日三次第25頁__________________6.世年代公共汽車第學(xué)_______________________21世___________________10.兩半_________________________11.差刻點(diǎn)______________12.第二冊13.在五幾歲時(shí)二級班_____________________15.10:45________________________第十五單元_____________________17.第冊十三課18.三分之一_______________________19.三英20.年日二完下句。lefthome____________(20年).You'vewatchingTVfor小)WeMuseumby(52路公共汽車)PeterwasborninParis____________年月4日)Totelltruth,there(僅一次)2

Ittook(兩萬多)____________年thebuilding.（6片面包、一盤魚、一杯牛奶和杯)about_____________________________________(3米2米寬.a前大約米處.It's點(diǎn)11l)studies_____________________(35中(三分之一的醫(yī)生)inhospitalaredoctors.Ittookus___________________________(3刻鐘)there.(第位)studentNowlet'sturnto三單選()LincolnB.1809,12()A____boyEnglishsongwell.B.tenoldten-year-oldfifthyearsold(

)3.Anhourministerwassentseethe“magiccloth”wovenbyB.secondC.two()4.Abraham____President16B.16C.D.()youthinkthereforus?B.twoD.()Howmanyareinyourclass?ThirtyandtwoD.fifties()7.wrong?___.A.NinetyB.NinteenC.NinthD.Nineteenth()8.TheLiberationArmy___.on1,1927in1st,in1,()Thenumber4,123A.fourthousandoneandB.fourthousandandonetwenty-threeC.fourthousandandahundredandD.fouraand()TheoldworksheinsixtyB.insixtiesC.insixtiesinthe()ours.bigasB.threebigasC.bigasbigthreetimesas()TheofinB.thirdC.three()carthatIt's____.fiftytwofifty-twocarsC.thefiftythe3

()followingwrong?aatC.HeaboyofD.year()notbig.Thereonly___ofC.ninehundred()newarein____lesson?arefive;fifthfifth;C.thefifth;thefiveD.fifth;five()begantoentermarket.InB.In1970sC.In()wasbushad________.mileswalkB.ten-mileC.tenmile'smilewalk()TodayfirstandfourthB.ThursdayisfourthTuesdayD.a()roomyouin?____.The201B.C.D.Room()magazinesyouItwiceD.second()hundredand3,170B.()May_____roundthemillionsB.millionsC.themillionthmillions()themdiningB.Twelfththe12th()It's7:17___.sevenandseventeenD.sevenseventeen()Four___isB.dividedby()__isminusby()____seventwenty-one.A.plusB.C.timesD.dividedby()issix.A.plusB.D.divided()areinhundredsixtyandfiveB.hundredsixty-fiveC.andsixty-fivethreehundredsixty-five()areschool.thousandeight-sixB.twothousandeighty-sixC.thousandandeighty-sixtwothousandseighty-six()Ittook____togetthere.hoursandatwoandC.atwo()ismonthofninethninthninethninth4

()passmebookleft.thirdB.threeC.theD.three()___isatallA.B.ThetwelvethC.twelfethD.twelfth()knowneachotherfor___.aandB.yearwithhalfaawith((

)37.“Whatyearis”“It's____.andB.nineteenandninety-sevenC.nineteenD.nineteenninety-seven)38.“What'sthedatetoday?“It's____.”B.JuneC.fourD.Junethefourth()ThetrainfromShanghaiwillarriveinpastsixB.pastsixC.atpastsixapastsix()MyfriendwasbornB.July,1979C.1979,thethirdD.July()thanOne-third;two-thirdsB.two-thirdC.first-threesD.One-third;()didyoulearn_____.B.C.The7D.Lesson(

)43.“What'sthedatetoday?“It's___.fourthB.fourthMayC.MayfourD.Mayfourth()hundredsthirtyfourthreethirtyfourC.h