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八年级上Unit4Numbers练习题一.课前回顾()1.divideA.alive;notdead()2.especiallyB.very;morethanusual()3.brainC.findouthowmanytimesonenumbergoesintoabiggernumber()4.calculateD.oforlikepeople,notanimalsormachines()5.partE.all()6.humanF.ontheothersideinagame,fight,etc.()7.livingG.anancientcalculatingmachineinChina()8.lightningH.somethingwhichhasbeenmadeforthefirsttime()9.inventionI.thepartinsidetheheadofapersonorananimalthatthinksandfeels()10.abacusJ.oneofthepiecesofsomething()11.wholeK.findtheanswerbyusingmathematics()12.againstL.asuddenbrightlightintheskywhenthereisastorm二、本节内容【词汇拓展】1.especially1.especially=particularly(adv.)特别地，尤其，格外2.specially=inpurpose(adv.)特意地我特意为你准备了一个蛋糕：_____________________________________3.区别especial和special：especial强调“特别，尤其”；special强调“特殊的，专为....准备的”2.least1.比较级变形过程：little---less---least至少：____________________2.（反义词组）至多：____________________3.own1.own=have/possess(v.)拥有他拥有一辆新车：_______________________________________________2.owner(n.)拥有者他是那辆车的拥有者：___________________________________________3.It’shisownresponsibility.Ionlyborrowedthebook,it’snotmyown.Ican’tcarryitonmyown,it’stooheavy.词组归纳：某人自己的某物：one’sown(adj.)+n.某人自己的：one’sown(pron.)依靠自己：onone’sown=byoneself4.nation1.nation(n.)民族，国家2.nationality(n.)国籍3.national(adj.)国家的，民族的thenationalflag4.international(adj.)国际的aninternationalsportsmatch5.time1.times=age(n.)年代在古代：______________________________表示倍数或次数三倍：____________________四倍：____________________2.intime及时ontime准时3.allthetime=always总是fromtimetotime=often时常4.atthesametime同时forthetimebeing暂时，眼下6.way1.方式，方法：inmanydifferentways用不同的方式inthesameway用同样的方式2.路线，路途：onone’swayto在去哪里的路上bytheway顺便问一下intheway挡道loseone’sway迷路7.as1.用作连词：如同…asthesepicturesshow.按照DoasIsay!当....的时候Isawherasshewasgettingoffthebus.因为，由于Asshehasnocar,shecan’tgetthereeasily.2.用作介词：象...一样Heisasoldasme.作为Asawriter,she’swonderful8.near1.near(adj.)thenearfuture(adv.)Welivenearschool.2.nearly=almost(adv.)几乎，差不多Thetrainwasnearlyfull.Heisnearly16.it’shisbirthdaynextweek.3.nearby(adj.)附近的Wewenttoanearbytown.(adv.)在附近Afootballmatchbeingplayednearby.9.invent1.invent(v.)发明Whoinventedthetelephone?2.invention(n.)发明Thetelephoneisawonderfulinvention.DoyouknowthefourgreatinventionsinChinesehistory?3.inventor(n.)发明家Canyoutellsomegreatinventorsintheworld?10.develop1.develop(v.)发展Somechildrendevelopmoreslowlythanothers.Ourcountryisdevelopingveryquickly.开发Developthenaturalresourcesofacountry.2.development(n.)发展，成长，进展developer(n.)开发者3.developing(adj.)发展中的Indiaisadevelopingcountry.developed(adj.)发达的TheUSAisadevelopedcountry.11.calculate1.calculate(v.)计算Haveyoucalculatedtheresult?2.calculation(n.)计算Thecalculationsarebasedonthesestatistics.calculator(n.)计算器Electroniccalculatorcalculatingmachines计算机12.accurate1.accurate(adj.)精确的，准确的Hegaveanaccuratedescriptionofthethief.2.（反义词）不精确的，不准确的：__________________________3.（副词）精确地：__________________________13.electronic1.辨析：electronicelectricelectricalelectronic电子的，电子器件的electric电的，发电的，电动的，（任何直接用电，或产生电的）electrical与电有关的，用电的，电气的anelectricalengineer2.electricity(n.)电electrician(n.)电工14.power1.power(n.)能力Shehasthepowertoseeintothefuture.体力，力量Youcanfeelthepowerofthenature.权力Hewantspoweraswellasmoney.2.powerful(adj.)有力量的，有权利的Thecarhasaverypowerfulengine.Thepresidentisverypowerful.15.live1.live(v.)生存，过...生活liveahappylife(adj.)实况转播Itisn’tarecordshow.Itislive.（词组）以....为生：_______________________2.life(n.)生命Thereisnolifeonthemoon.生活Lifeisn’tallfun.一生，终身ShehaslivedinChinaallherlife..3.辨析：livingalivelivelyliving(adj.)活着的thelivingthings(livingroom客厅)alive(adj.)有生命的，活着的，充满生气的Althoughheisold,heisstillverymuchalive.lively(adj.)活泼的alivelysong/mind生动的alivelydescription16.instruct1.instruct(v.)教导，指示2.instruction(n.)指令，命令，指导abookofinstructions使用说明书3.instructor(n.)指导者，教练adrivinginstructor【数词的用法】基数词（一）基本概念：表示数目多少的词叫基数词。1.1-12独立成词：one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve2.13-19(+teen)：thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen3.20-90(整十位数+ty)：twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety4.21-99间的两位数，先说“十位”，再说“个位”，中间要加连字符“-”5.101-999之间的三位数，先说“百位”，再加and，再加末尾两位数。6.1000以上数，使用计数符号，每三位加以逗号，从第一个逗号起单位依次为thousand,million,billion.“万”表达为tenthousand1,234,567,899billionmillionthousandand-1,234,567,899billionmillionthousandand-例：579fivehundredandseventy-nine802eighthundredandtwo4,352fourthousandthreehundredandfifty-two14,615fourteenthousandsixhundredandfifteen123,456,789onehundredandtwenty-threefourhundredandfifty-sixthousandsevenhundredandeighty-nine（二）基数词用法：1.从句子成分上分析，基数词在句中可用作主语、宾语、表语等。Fourofthemwenttothefactory.（主语）Iwanttwo.（宾语）Myclassmateiseighteen.（表语）2.编号的事物用基数词。TodaywearegoingtostudyLessonFive.HelivesinRoom801.3.表示“年、月、日”时年份用基数词，日期用序数词，其顺序由小到大。Theaccidenttookplacein2006.这次事故发生在2006年。4.钟点表达法1.先点后分，顺读法。如：8：53eightfifty-three2.先分后点，倒读法：前半小时用“分钟数+past+已过钟点数”；后半小时用“(60-分钟数)+to+下一个钟点数”；正好半点用“halfpast+已过钟点数”；一刻钟用“quarter”。7:20twentypastseven;6:35twenty-fivetoseven;1:58twototwo;8:30halfpasteight;9:15aquarterpastnine;9:45aquartertoten.5.用于加减乘除的数字用基数词。Oneplustwoisthree.Fivetimessixisthirty.6.表示百分数用基数词。Thirtypercentofth