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龙文教育一对一个性化学案第一部分复习时态综合并完成下面练习A.单项选择题.1.She______downandsoonfallsasleep.A.liveB.lainC.laidD.lies2.They_____theofficeintimeverymorning.A.reachtoB.arrivedC.wentD.getto3.WeshallgotoShanghaionbusinessbeforeyou_____backnextweek.A.willcomeB.cameC.wouldcomeD.come4.Theplane______off.A.takesB.tookC.wastakenD.istake5.Iseeher____theroomthismorning.A.toenterB.enteredC.enterD.enters6.Theteacherasksus______toschoolontime.A.tocomeB.comingC.comeD.comes7.There_____anEnglishfilm.A.willhaveB.isgoingtohaveC.isgoingtobeD.Is8.Thepicture_______nice.A.looksB.islookedC.lookD.islookingB.根据提示填单词.1.MrZheng(read)abooknow.2.Therabbits(jump)now.3..Look!TomandJohn(swim).4.Mybrother(make)akiteinhisroomnow.5.Look!Thebus(stop).6.He_________(live)inWuxitwoyearsago.7.Thecat________(eat)abirdlastnight.8.We_______(have)apartylastHalloween.9.Nancy________(pick)uporangesonthefarmlastweek.10.I________(make)amodelshipwithMikeyesterday.11.Todayisasunnyday.We___________________(have)apicnicthisafternoon.12.Mybrother_______________(go)toShanghainextweek.13.Tomoften______________(go)toschoolonfoot.Buttodayisrain.He______________(go)toschoolbybike.第二部分基数词序数词的讲解1.基数词表示数目的词称为基数词。其形式如下:A.从1——10one,two,three,four,five,six,seven,eight,nine,ten.B.从11——19eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen.这里除eleven,twelve,thirteen,fifteen,eighteen为特殊形式外,fourteen,sixteen,seventeen,nineteen都是由其个位数形式后添加后缀-teen构成。C.从21——99整数几十中除twenty,thirty,forty,fifty,eighty为特殊形式外,sixty,seventy,ninety都是其个位数形式后添加后缀-ty构成。表示几十几时,在几十和个位基数词形式之间添加连字符“-”21twenty-one76seventy-sixD.百位数 个数基数词形式加“hundred”,表示几百,在几十几与百位间加上and. 101ahundredandone 320threehundredandtwenty 648sixhundredandforty-eight E.千位数以上从数字的右端向左端数起,每三位数加一个逗号“,”。从右开始,第一个“,”前的数字后添加thousand,第二个“,”前面的数字后添加million,第三个“,”前的数字后添加billion。然后一节一节分别表示,两个逗号之间最大的数为百位数形式。2,648twothousandsixhundredandforty-eight16,250,064sixteenmilliontwohundredandfiftythousandsixty-four5,237,166,234fivebillion,twohundredandthirty-sevenmillion,onehundredandsixty-sixthousand,twohundred,andthirty-fourF.基数词在表示确切的数字时,不能使用百、千、百万、十亿的复数形式;但是,当基数词表示不确切数字,如成百、成千上万,三三两两时,基数词则以复数形式出现。Therearehundredsofpeopleinthehall.ThousandsandthousandsofpeoplecometovisittheMuseumofQinTerra-CottaWarriorsandHorseseveryday.每天有成千上万的人来参观秦兵马涌博物馆。Theywenttothetheatreintwosandthrees.G.表示人的不确切岁数或年代,用几十的复数形式表示。Hebecameaprofessorinhisthirties. 他三十多岁时成为了教授。Shediedoflungcancerinforties. 她四十来岁时死于肺癌。Itwasinthe1960s. 那是在二十世纪六十年代。H.基数词的句法功能 基数词在句中可作主语、宾语、定语、表语、同位语。Thetwohappilyopenedthebox. (作主语)Ineedthreealtogether.(作宾语)Fourstudentsareplayingvolleyballoutside.(作定语)Wearesixteen. (作表语)Theythreetriedtofinishthetaskbeforesunset.(作同位语)2.序数词 表示顺序的词称为序数词。序数词的主要形式:从第一至第十九其中,one—first,two—second,three—third,five—fifth,eight—eighth,nine—ninth,twelve—twelfth为特殊形式,其它的序数词都是由其相对应的基数词后面添加“th”构成。例如:six—sixth、nineteen—nineteenth.从第二十至第九十九整数第几十的由其对应的基数词改变结尾字母y为i,再加“eth”构成。twenty—twentieththirty—thirtieth表示第几十几时,用几十的基数词形式加上连字符“-”和个位序数词形式一起表示。thirty-first第三十一fifty-sixth第五十六seventy-third第七十三ninety-ninth第九十九C.第一百以上的多位序数词由基数词的形式变结尾部分为序数词形式来表示。onehundredandtwenty-first第一百二十一onethousand,threehundredandtwentieth第一千三百二十D.序数词的缩写形式有时,序数词可以用缩写形式来表示。主要缩写形式有。 first——lstsecond——2ndthird——3rd fourth——4thsixth——6thtwentieth——20th twenty-third——23rd其中lst,2nd,3rd为特殊形式,其它的都是阿拉伯数字后加上th。E.序数词的句法功能序数词在句中可作主语、宾语、定语和表语。ThesecondiswhatIreallyneed. (作主语)Hechoosethesecond.(作宾语)Wearetocarryoutthefirstplan. (作定语)Sheisthesecondinourclass. (作表语)注:序数词在使用时,通常前面要加冠词the;但是如果序数词前出现冠词a或an时,则表示“再....”,“又....”。 We'llgooveritasecondtime. We'vetrieditthreetimes.Mustwetryitafourthtime? 我们已经试过三遍了,还必须试一次(第四次)吗?另外,基数词也可以表示顺序。只需将基数词放在它所修饰的名词之后即可,不需要添加冠词。thefirstlesson——LessonOnethefifthpage——Page5(five)thetwenty-firstroom——Room21(twenty-one)()1.Pleaseturnto______.A.Page11B.the11stpageC.page11D.pagethe11th()2.Atnightwecansee______starsinthesky.A.thousandsandthousandsofB.thousandandthousandsofC.athousandandthousandsD.thousandandthousand()3.Therearesome_____inourclassroom.A.hundredofbooksB.thehundredsofbooksC.hundredsofbooksD.hundredofbook()4.Ihavebeentothevillage________.A.ahundredtimeB.hundredtimesC.hundredsoftimesD.hundredoftimes()5.Thereare____studentsinourschool.A.four—hundredandforty—fiveB.fourhundredandforty—fiveC.fourhundredsandforty—fiveD.fourhundredandfortyfive()6.Theteachertoldmetogoover_____lessons.A.thirstthreeB.thethreefirstC.threethefirstD.thefirstthree()7.Mayis____ofayear.A.thefifthmonthsB.thefifthmonthC.thefivemonthsD.thefivemonth()8.Welivein______.A.thetwenty-firstcenturyB.thecenturytwenty-oneC.centurytwenty-oneD.thecenturytwenty-first()9.Hesaidhewasgoingtobefreein_______.A.oneandahalfhourB.onehourandhalfC.oneandhalfhoursD.anhourandahalf()10.---HowmanyEnglishbooksarethereonthetable?---Thereisonly_____Englishbookonit.A.aB.anC.oneD.the()11.MrSmithstayedin_____lastnight.A.Room403B.theRoom403C.the403roomD.403theroom()12.Theroadis_________.A.twothousandandfivehundredmetreslongB.twothousandsmetreslongC.longonethousandfivehundredmetreD.athousandandfivehundredsmetreslong()13.Hejoinedthearmyon______ofMay1980.A.1stB.the1C.f
本文标题:人教版小升初英语基数词序数词讲解+练习
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