Unit1 Dream homes第3 课时 Grammar（解析版）-2023-2024学年七年级英语下册（牛津译林版）

Unit1Dreamhomes第3课时Grammar1.基数词构成及读法和基数词的部分用法2.fromabout180countriesandareas3.2000metreslong.和2000-metre-long4.haveanareaof..5.Therebesb.doingsth.Therebesth.todo6.Women'sDayisontheeighthofMarch.7..Heisthefirst(one)tocometoschoolinourclass.8.thefirst(one)todosth.thelast(one)todosth. 【核心考点一】基数词的用法=1\*ROMANI.基数词的构成。基数词1-12是独立的单词。one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve基数词13-19是在个位数后面加-teen构成，其中thirteen,fifteen,eighteen是不规则变化。thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen整十的基数词20-90是在个位数词后面加-ty构成，其中twenty,thirty,forty,fifty,eighty是不规则变化。twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety非整十基数词21-99是在十位数后面加上个位数构成，中间加上连字符“-”。twenty-one,seventy-six,eighty-eight三位数以上的基数词，百位数和十位数之间用and连接。twohundredandone,threethousandfivehundredandfourteen英语中没有“万”和“亿”这两个单位，在表示“万”和“亿”时，把“万”念成10个千，“十万”念成100个千，“亿”念成100个百万……以此类推。10,000：tenthousand100,000:ahundredthousand100,000,000:ahundredmillion35,845:thirty-fivethousand,eighthundredandforty-five千位以上的数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“，”前的数字后加thousand，第二个“，”前的数字后加million，第三个“，”前的数字后加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。如：2,648：twothousandsixhundredandfortyeight【牛刀小试】16,250,064：sixteenmilliontwohundredandfiftythousandandsixty-four6,127,354,598:sixbilliononehundredandtwenty-sevenmillionthreehundredandfifty-fourthousandfivehundredandninety-eight=2\*ROMANII.hundred,thousand,million和billion的用法。hundred,thousand,million和billion等表示确切数字时，只用其单数形式,不加s不加ofHe

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=3\*ROMANIII.基数词表示编号。LessonFive(thefifthlesson)第五课Room306306房间PageTwelve(thetwelfthpage)第十二页ClassOne,GradeSix六年级一班【核心考点二】RedSquareinMoscowisabout91,000squaremetresinsize.莫斯科红场约有九万一千平方米大。insize介词短语，意为“在大小上”类似的固定短语有：inarea 按面积计算，在面积方面inweight 在重量上incolour 在颜色上【牛刀小试】Mypencilisdifferentfromyoursinsize.我的铅笔盒大小和你的不一样。【核心考点三】Francehasanareaofover260,000squaremiles.法国面积超过二十六万平方千米。①haveanareaof相当于be...inarea,表示“……的面积是……”，该句与“Franceisover260,000squaremilesinarea.”同义。【牛刀小试】Thefarmhasanareaof100squarekilometres. 这个农场占地100平方千米。②over介词，意为“超过”，相当于morethan。【牛刀小试】Thereareover100peopleinthesupermarket. 超市里有100多个人。[拓展]over的其他用法：词条词性含义over介词越过在……上方遍及在……期间，相当于during形容词结束的；终了的副词翻转；从一边到另一边【核心考点四】序数词=2\*GB3②序数词的用法。=1\*ROMANI.序数词的构成。序数词1-3是独立的单词。first,second,third基数词4-19是在基数词后面加-th构成，其中fifth,eighth,ninth,twelfth,thirteenth,fifteenth是不规则变化。fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth整十的基数词20-90变序数词时，变y为i再加“eth”。twentieth,thirtieth,fortieth,fiftieth,sixtieth,seventieth,eighties,ninetieth21以上非整十基数词变序数词时，只需将其个位数变成序数词，其它位数仍用基数词。twenty-first,seventy-sixth,twohundredandeighty-eighth=2\*ROMANII.使用序数词时，前面经常加上定冠词the。【牛刀小试】1.Heisalwaysthefirstpersontoreachschool.他总是第一个到达学校。2.ThisisthethirdtimeformetogotoBeijing.这是我第三次去北京。提醒：①使用序数词时，前面应加定冠词the，但如果序数词前已经有其他限定词，则不加the。【牛刀小试】HisfirstnameisMike.ButIdon'tknowhisfamilyname.他名叫迈克。但我不知道他的姓。②序数词起副词作用时，前面可省略the。【牛刀小试】Danielalwayscomesfirstinmathsexams.丹尼尔总在数学考试中得第一。③序数词前可以加a/an，不强调顺序，表示“另一个，再一个”。【牛刀小试】Helenreadsthetextasecondtime.海伦又把课文读了一遍。④序数词也可用缩写形式。如:fourth4th，twenty-third23rd。【核心考点五】各种数的表达=1\*ROMANI.日期的表达。英语中的日期表达采用“月、日、年”或“日、月、年”的顺序。年份用基数词表达，日期用序数词表达。例如：10月1日：October1st/thefirstofOctober2006年7月5日：July5th,2006/thefifthofJuly,2006=2\*ROMANII.时间的表达。直接表达法用基数词+o’clock来表示整点，注意o’clock须用单数，可以省略。例如：eighto’clock八点钟，ten(o’clock)十点钟用基数词按“钟点+分钟”的顺序直接写出时间。例如：elevenfive十一点零五分，sixforty六点四十间接表达法如果分钟数少于30分钟，可用分钟+past+钟点表示，其中past是介词，意思是“过”。【牛刀小试】twentypastfour四点二十eightpastone一点零八分如果分钟数多于30分钟，可用（60分钟-原分钟数）+to+（原钟点数+1）表示，其中to是介词，意思是“差”。【牛刀小试】8:35可表示为twenty-fivetonine差二十五分钟九点，即八点三十五（其中的分钟数twenty-five是由60分钟减去35分钟得到的；钟点数nine是由8加上1得到的）。注意：=1\*GB3①当分钟数是15分钟时，可用名词quarter（一刻钟）表示。例如：【牛刀小试】7:15可表示为aquarterpastseven，12:15可表示为aquarterpasttwelve=2\*GB3②当分钟数是30分钟时，可用名词half（一半）表示。【牛刀小试】9:30可表示为halfpastnine，3:30可表示为halfpastthree。=3\*ROMANIII.数量词的用法。表示长、宽、高，用“基数词+单位词（meter,kilometer,foot,inch等）+形容词（long,wide,high等）”表示。twometerslong两米长threeincheshigh三英尺高fourincheswide四英寸宽表示时间、距离时，用含有数词的名词所有格形式作定语。【牛刀小试】fiveminutes’walk步行五分钟twohours’ride骑车两小时由数词和其它名词组成的复合数词，其中的名词用单数形式，各部分之间用连字符“-”来连接。athree-month-oldbaby一个三个月大的婴儿afive-dayholiday五天的假期=4\*GB3④复合数词相当于一个形容词，用来修饰名词，不能作表语。Thebuildingistenmetershigh.（√）Thisisaten-meter-highbuilding.（√）Thebuildingisten-meter-high.（×）Thisisatenmetershighbuilding.（×）=4\*ROMANIV.分数的表达。分子用基数词，分母用序数词，分子大于1时，分母加s表示复数。例如：1/3onethird3/8threeeighths“分数+of+名词”作主语时，谓语动词单复数，取决于名词的单复数。名词为单数则谓语动词用单数，名词为复数则谓语动词用复数。【牛刀小试】1.Twothirdsofthelandiscoveredwithwater.三分之二的陆地都是被水所覆盖的。2.Onefifthofthestudentscomefromthecountryside.五分之一的学生来自农村。一、用英文表示下列数字1.4,5892.24,7523.2,374,091【答案】1.fourthousandfivehundredandeighty-nine2.twenty-fourthousandsevenhundredandfiftytwo3.2,374,091twomillionthreehundredandseventy-fourthousandandninety-one二、写出下列词的序数词1.202.113.84.25.356.97.128.43【答案】1.twentieth2.eleventh3.eighth4.second5.thirty-fifth6.ninth7.twelfth8.forty-third三、翻译1.多伦多国家电视塔有1815英尺高。2.大约有八百万人住在伦敦。3.他总是我们班第一个到校的。4.妇女节在三月八号。5.我们的公寓在七楼。【答案】1.TheCNToweris1,815feettall.2.Thereareabout8,000,000peoplelivinginLondon.3.Heisalwaysthefirsttocometoschoolinourclass.4.Women'sDayisontheeighthofMarch.5.Ourflatisontheseventhfloor.四、根据句意、首字母或用所给单词的适当形式填空1．Tomorrowishiseldersister's (nine)birthday.2．—Whatistwentyandthirty?—It'sf.3．Thereare (thousand)ofpeopleenjoyingcherryblossoms(樱花)atthemoment.4．Althoughyouwonthe (five)placeinthecompetition,I'mreallyproudofyou.5.Themanager'sroomisrightabovemine.It'sonthe (three)floor6.IfIhavetwo (百万dollars,Iwanttotravelaroundtheworld.7. (百)ofpeopleleaveforbigcitiestolookforjobs.Hisbrotherisaboutsix______.8.Mydaughterisoldenoughtocountfrom (零toonehundred.9.--Whereareourseats,Henry?--Weshouldsitinthe(eight)row.10.Januaryisthe(one)monthoftheyear.【答案】1．ninth.2．fifty3．Thousands4．fifth.5.lion.7.Hundreds8.zero9.eighth10.first—、词汇运用1.—HowtallisMichel?—Aboutfive(英尺)tall.2.Whatisanotherwayofsaying(零)？3.Hegets(81)pointsintheEnglishexamthistime.4.Therearemorethantwo(百万)peoplelivinginthecitynow.5.MrWhite’s(40)birthdayiscoming.Whatpresentcanwebuyforhim?6.Canyoutellmethe(面积)ofthisflat?Itlookssobig.7.(超过)twentystudentsinmyclasswearglasses.8.Thereisa(方形的)tableinourlivingroom.9.Thereareaboutfour(千)studentsinourschool.10.Decemberisthe(十二)monthoftheyear.【答案】1.feet2.zero3.eighty-one4.million5.fortieth6.area7.Over8.square9.thousand10.twelfth二、翻译下列数字1.sixhundredandseventy-nine 2.twothousandandsixty-five 3.threehundredthousandtwohundredandten 4.ninehundredandsixty-eightthousandonehundredandfive 5.fourmillionfivehundredandsixty-onethousandninehundred 6.30,059 7.2,460,902 8.7,031 9.800,060 10.57,451 【答案】1.6792.2.0653.300,2104.968,1055.4,561,9006.thirtythousandandfifty-nine7.twomillionfourhundredandsixtythousandninehundredandtwo8.seventhousandandthirty-one9.eighthundredthousandandsixty10.fifty-seventhousandfourhundredandfifty-one三、单项填空1.IntheUSA,Father’sDayfallsonthirdSundayinJune.A.the;/ B. the;a C./;the D. a;/2.Tuesdayisthedayofaweek.A.first B. second C.third D. fourth3.Abouttwostudentsarehavingthemeetingintheschoolhallnow.A.hundreds B. hundredsof C.hundred D. hundredof4.peoplecometovisitourtowneveryyear.A.ThousandsB.ThousandsofC.Thousand D.Thousandof5.—What’stwentyandthirty?—fifty.A.They’re B. It’s C.There’re D. Thereis6.Thewallwiththewindowsinourclassroomis.A.sevenmetrelong B.seven-metre-longC.sevenmetreslong D.seven-metres-long7.—Yoursonissocute,Mr.White.Howoldishe?—.Wehadaspecialpartyforhisbirthdayyesterday.A.Nine;nine B. Ninth; nine C.Nine;theninth D.Nine;ninth8.—What’sthedatetoday?—.A.ItisFriday B.ItisthefifthdayC.ItisJanuarythefifth D.Itismybirthday【答案】1-5ACCBB6-8CDC四、动词填空1.Thereareabout20,000people(live)inourtown.2.It(rain).Wehavetostayathome(do)somereading.3.OnSundays,Ioftenhelpmygrandmother(water)theflowers.4.Youmustwashyourhandsbefore(eat)food.5.—Who(teach)youEnglishthisyear,John?—MrHudoes.6.Jimisalwaysthefirst(come)toschoolinthemorning.7.Somegirls(fly)kitesoverthere.Willyoujointhem?8.Tokyo,thecapitalofJapan,(have)over13millionpeople.【答案】1.living2.israining:todo3.(to)water4.eating5.teaches6.tocome7.areflying8.has五、完成句子1.里奇和他父母住在这幢楼的四层。Ricky,withhisparents,inthebuilding.2.我的生日在9月2日。Mybirthdayis .3.姚明身高超过两米。YaoMing tall.4.栖霞山大约有312万平方米。Qixia Mountainisabout insize.5.我们镇上最大的超市拥有超过1000平方米的面积。Thebiggestsupermarketinourtownhas .6.来自大约20个国家和地区的人们住在南京。Peoplefromabout liveinNanjing.【答案】1.livesonthefourthfloor2.onthesecondofSeptember3.isovertwometres4.fivemillionthreehundredandninetythousand/5,390,000squaremetres5.anareaofmorethan/over1,000squaremetres6.20countriesandareas六．请认真阅读下面短文,并根据所读内容在文章后表格中小题的空格里填入一个最恰当的单词。注意:每个空格只填1个单词。请将答案填写在答题卡相应横线上。DearNancy,Iamhappytotellyoumyschoolandmylife.Everydaymyfatherdrivesmetoschool.Myschoolisverybigandbeautiful.Ilikemyschoolverymuch.Thedesksandchairsar