《數(shù)詞的用法及練習(xí)》PPT課件.ppt

數(shù)詞的用法及練習(xí) 教學(xué)內(nèi)容 數(shù)詞就是表示事物的數(shù)量和順序的詞 分基數(shù)詞和序數(shù)詞兩種 一 基數(shù)詞 二 序數(shù)詞 教學(xué)目標(biāo) 一 基數(shù)詞表示數(shù)量的多少的詞是基數(shù)詞 如 one two three等 構(gòu)成方法如下 1 1 12分別由從one到twelve12個(gè)各不相同的詞表示 2 13 19均以后綴 teen結(jié)尾 3 20 90的整十詞均以后綴 ty結(jié)尾 表示 幾十幾 時(shí) 個(gè)位和十位之間需加結(jié)字符 如 twenty one thirty two forty three 4 表示具體 準(zhǔn)確的數(shù)目時(shí) hundred thousand million等詞后不能加 s 如 fivehundred sixthousand seventhousand sevenmillion等 5 當(dāng)hundred thousand等數(shù)詞與of連用 表示不具體 不準(zhǔn)確的數(shù)目時(shí) 詞尾須加 s 如 thousandsofstudents millionsoftrees 二 序數(shù)詞 序數(shù)詞表示人和事物的順序 其構(gòu)成方法如下 1 不規(guī)則變化 2 以 ty結(jié)尾的表示 幾十 的基數(shù)詞 先把y變?yōu)閕 再加 eth 如thirty thirtieth ninety ninetieth等 3 表示 第幾十幾 時(shí) 十位數(shù)的 幾十 仍用基數(shù)詞 只把處位部分變成序數(shù)詞就行了 如 thirty one thirty first forty two forty second等 4 除上述情況外 均在詞尾加 th 如 ten tenth onehundred onehundredth 教學(xué)過程 step1數(shù)詞的用法 一 表示事物的編號(hào)基數(shù)詞放在名詞的后邊 該名詞一般要大寫 序數(shù)字放在名詞的前面 加定冠詞 如 LessonOne thefirstlessonRowThree thethirdrow 二 年 日 時(shí)刻的表達(dá)方法1 年 用基數(shù)詞 日 用序數(shù)詞 前面要加定冠詞 讀的順序是月 日 年 如 1999年5月2日讀作 Maythesecond nineteenninety 2 時(shí)刻 用基數(shù)詞表達(dá) 同時(shí)要注意以下幾點(diǎn) 1 表示 整點(diǎn) 時(shí) 在基數(shù)詞后加o clock 如 9o clock 2 分鐘小于或等于30分鐘的 用 分鐘數(shù) past 鐘點(diǎn)數(shù) 形式 如分鐘數(shù)大于30分鐘的 用 到下一個(gè)分鐘數(shù)所差的分鐘數(shù) to 下一個(gè)分鐘數(shù) 形式 也可以依次讀鐘點(diǎn)數(shù)和分鐘數(shù) 如 7 20twentypastseven或seventwenty 3 注意表示兩個(gè)特殊的表示分鐘的單位詞 30分鐘用half 15分鐘用aquarter 如 6 30讀作 halfpastsix5 45讀作 aquartertosix6 15讀作 aquarterpastsix 三 分?jǐn)?shù)的表達(dá)方法 表示分?jǐn)?shù)時(shí) 分子用基數(shù)詞 分母用序數(shù)詞 分子大于1 分母用復(fù)數(shù) 分?jǐn)?shù)修飾名詞時(shí) 后面用短語 如 onethirdofteachersthreeseventhsoftheboys 分別用ahalf和aquarter表示 四 基數(shù)詞 名詞 形容詞 只能用在名詞前作定語 如 sheisa3 year oldgirl Theyliveina7 storey highbuilding 注 這種結(jié)構(gòu)中名詞不能用復(fù)數(shù) 同時(shí)只能作定語 用作表語時(shí) 不用連字符 名詞用復(fù)數(shù) 如 Jimis10yearsoldthisyear Jimisa10 year oldboy 專題例析 例1Thenumber2 146isreadas A twothousandsandonehundredandfortyandsix B twothousandandahundredandforty six C twothousand onehundredandforty six D twothousands onehundred forty six 分析 英語數(shù)字的讀法是有規(guī)律的 百位跟十位之間加and 十位與個(gè)位用連字符 三位以上的數(shù)用逗號(hào)分開 第一個(gè)逗號(hào)代表thousand等 根據(jù)數(shù)字的讀法 可以找出正確答案為C 例2Thereare peopleinmyfamily Weliveinthe floorinatallbuilding A five sixB fifth sixthC fifth sixD five sixth分析 第一個(gè)空表示數(shù)量肜基數(shù)詞 第二個(gè)空表示順序用序數(shù)詞 選D 專題訓(xùn)練 Thisabigclass and ofthestudentsaregirls A twothirdB secondthreeC twothirdsD twothreeThequestionsisveryeasy evena childcananswerit A three yearsoldB threeyearsoldC three year oldD threeyearold3 The manontheleftisBeckman afamousfootballplayer A twoB secondC three4 Whichclasswonthematchintheend I mnotsure Maybe did A ClassThirdB ClassThreeC thirdthreeD classthree C C B B 5 Nine poundsaweek That sverygood A hundredofB hundredsofC hundredsD hundred 6 Sharkshavebeenontheearthfor years A thousandsofB twothousandsC twothousandsofD thousandof7 peoplecometoJilintovisitMountChangbaieveryyear A ThousandsofB ThousandofC ThousandsD Thousand8 Thecomputerwascheap Ispentonlytwo yuanonit A thousandsB thousandC thousandsofD thousandof D A A B 9 About oftheworkersintheclothesfactoryarewomen A thirdfifthsB thirdfifthC threefifthsD threefifth10 Theroadisover metreslong A sixhundredsandfifty twoB sixhundredandfifty twoC sixhundred fifty twoD sixhundred fiftyandtwo11 Septemberis monthoftheyear A ninthB eighthC theeighthD theninth12 It sabout kilometresfromNanningtoBeijing A twothousandfivehundredandsixtyB twothousandfivehundredsandsixtyC twothousandsfivehundredandsixtyD twothousandsfivehundredsandsixty C B D A 13 Everyyear fishesarekilledbythepollutedwater A millionofB millionsofC twomillionsofD twomillions14 Theboytoldtheoldwoman Thetrainwillarriveattwototwo Itmeans A 2 02B 2 20C 1 58D 1 4015 Sarasaidwewouldmeetat infrontofthemuseum A onethirtyB halfanhourC oneandthirtyD onepastthirty16 We llhavea holidayaftertheexam A twomonthB two monthC twomonth sD two months B C A B 17 Nowchildren turntopage andlookatthe pictureinLessonTwo A twentieth oneB twenty oneC twentieth firstD twenty first18 Todaywearegoingtolearnthe lesson A twentyB twentithC twentiethD twentyth19 Dinosaureggswerefoundinthe A 1990B 1990thC 1990sD 1990s 20 HowoftendoItakeit A twiceB twiceadayC twiceonedayD intwicedays D C C B A 21 Howmanymagazinesdoyouhave Ihave A twoB bothC twiceD thesecond 22 Threehundredthousandonehundredandseventymeans A 3 170B 3 117C 300 170D 30 170 23 OnMay peopletraveledroundthecountry A thefirst millionsB thefirst millionsofC first themillionthD first millions 24 ofthemarediningatschool A TwelveB TwelfthC ThetwelveD the12th 25 It s7 17isread A sevenandseventeenB sevensevenC sevenonesevenD sevenseventeen C B A D B 26 Whichroomdoyoulivein A The201RoomB Room201C Room201stD The201 sRoom 27 ThePeople sLiberationArmywasfounded A onAugust1 1927B in1927 1AugustC on1927 August1st D inAugust1 1927 28 Three sevenistwenty one A plusB minusC timesD dividedby 29 Forty two sevenissix A plusB minusC timesD dividedby 30 Thereare daysinayear A threehundredsixtyandfiveB threehundredandsixty fiveC threehundredsandsixty fiveD threehundredsixty five A C D B C 31 Thereare studentsinthatschool A twothousandeight sixB twothousandeighty sixC twothousandandeighty sixD twothousandsandeighty six 32 Ittookme togetthere A twohoursandahalfB twohoursandhalfC twohourandahalfD twohourandhalf 33 Septemberis monthoftheyear A theninethB theninthC ninethD ninth 34 Pleasepassme bookontheleft A thirdB threeC thethirdD thethree 35 isaverytallboy A ThetwelveB ThetwelvethC ThetwelfethD Thetwelfth A B C D C 36 Wehaveknowneachotherfor A ayearandhalfB ayearwithhalfC ayearandahalfD ayearwithahalf 37 Whatyearisit It s A nineteenhundredandninety sevenB nineteenandninety sevenC nineteenninetyandsevenD nineteenninety seven 38 What sthedatetoday It s A TuesdayB JuneFourthC JunethefourD Junethefourth 39 ThetrainfromShanghaiwillarrive A inquarterpastsixB inaquarterpastsixC atquarterpastsixD ataquarterpastsix 40 Myfriendwasbornon A threeofJuly 1979B thethirdofJuly 1979C 1979 JulythethirdD 1979 thethirdofJuly D D D B D 41 AbrahamLincolnwas PresidentoftheUnitedStates A 16B the16C 16thD the16th 42 Doyouthinkthereisanyroomforus A twoB thetwoC secondD thesecond 43 Whichnumberiswrong A NinetyB NinteenC NinthD Nineteenth 44 Theoldprofessorstillworkshardthoughheis A inhissixtyB inhissixtiesC insixtiesD inthesixty 45 Thisclassroomis ours A threetimesbigasB asthreetimesbigasC threetimesasbigasD asbigthreetimesas 46 Whichofthefollowingiswrong A Heisafifteen year oldboy B Heisattheageof15 C Heisaboyof15 D Heisfifteenyearold A B B C D IlikeAutumnverymuch anditisthe 第三 seasonoftheyear Septemberisinautumn Itisthe 第九 monthofthear Septemberthe 第八 ismybrother birthday Helivesinatall 高樓 onthe 第12 floor Inhisfamily thereare 四 members hiswifeis 三 yearsyounger 比 him She sonly 二十七 yearsold theyhave 住 thereforfouryears Tomorrowisthe 第一 dayofthisweek Theyaregoingtohaveapartywiththeirneighbours Theyenjoylivingthereverymuch third ninth eighth building twelfth four three than twenty seven lived first Step3詞匯運(yùn)用 Step4reading At8 00onthemorningof26thDecember 2004 anunderseaearthquakehappenedoffthecoastofSumatraIndonesiawhicharousedtsunamis Thedeathnumberinthesecountriesreached7 000bytheendofthatday withthousandsofpeoplereportedmissing ByDecember29th thenumberofvictimsintheareaswasover80 000 Thisisthestrongestearthquakeinthe15yearsandhasbeenthefifthlargestearthquakeintheworldsince1900 Thehugewaveswereas1