上海版牛津初中英語(yǔ)8A Cha

8AChapter4精選ppt

全部,全體,整體n.____________一生n._____________________相反,對(duì)(指比賽中)prep._______

下列的；接著的adj.___________女士,夫人,小姐n._____________令人驚奇的adj._______________解決,解答vt.________________

上面的,上述的,上文的adj._____錯(cuò)誤n._____________________

弄錯(cuò)v._____________________活著的adj.__________________敲打;擊敗v._________________理由,原因n.________________

錯(cuò)誤地

adv._________________wholelifetimeagainstsurprising

掌握詞語(yǔ)followingsolveabovemistakemistakealivebeatreasonwronglylady精選ppt零n.______________加v.

______________加上prep.______________某數(shù)除某數(shù)；某數(shù)除以某數(shù)v._________

劃分v.______________度；度數(shù)n._______________計(jì)算；估算v.______________大腦n._______________(常用作復(fù)數(shù)）時(shí)代；時(shí)期n.__________

數(shù),計(jì)算

v.________________系統(tǒng),體系n._______________發(fā)明；創(chuàng)造v._______________發(fā)展；發(fā)育；成長(zhǎng)v.________________發(fā)明；創(chuàng)造n._______________強(qiáng)大的，作用大的adj._______________zeroaddplusdividedividedegreecalculatebraintimecountsysteminventdevelopinventionpowerful精選ppt小數(shù)n.________________量角器n.________________量；測(cè)量v.________________角度n.________________奇數(shù)的，單數(shù)的adj.____________圓規(guī)n.________________分?jǐn)?shù)n.

________________減；減去；減掉v._______________乘；使相乘

v.________________百分?jǐn)?shù),百分率,百分比n.__________偶數(shù)n.

________________相等的adj.________________相等的事物(或數(shù)量)n.____________等于,比得上vt._________________認(rèn)知詞匯decimalprotractormeasureangleoddcompassesfractionsubtractmultiplypercentageevenequalequalequal精選ppt特別；尤其adv._____________希臘人,希臘語(yǔ)n._____________羅馬人n._____________埃及人n._____________用于計(jì)算的adj._____________算盤n._____________準(zhǔn)確的adj._____________有孔的珠子n._____________金屬絲,電線,電纜n.__________表示；表現(xiàn)；相當(dāng)于vt.________電子的adj._____________平方根______________數(shù)量n.

___________________認(rèn)知詞匯especiallyGreekRomanEgyptiancalculatingabacusaccuratebeadwirerepresentelectronicsquarerootsamount精選ppttimewholeladyreasonzerodegree

brainsystem

inventionlifetimemistakedecimalfractionn.thetimes時(shí)代Thetimesaredifferentthe（或形容詞性物主代詞）whole+單數(shù)名詞the/hiswholefamily;thewholeclass;reasonable合理的adj.forthesereasonsinventv.inventionn.inventorn.Thegreatinventor

inventedmanyinventions精選pptwireamountprotractoranglecompassespercentage

abacusbead

RomanGreekEgyptian

n.RomansRomen.羅馬Greeks(復(fù)數(shù)）Greecen.希臘EgyptiansEgyptn.埃及Abaci/abacuses復(fù)數(shù)amountvi.amountsto…總計(jì)達(dá)…精選pptverbadddividecalculatedevelopsolvemistake

beatmeasure

multiplySubtractequalrepresentaddupto總計(jì)bedividedinto…被分成…developmentn.developingadj.developedadj.lessdevelopedmistake…for…把…和…混淆measurementn.takemeasurements

進(jìn)行測(cè)量takemeasurestoimprove…采取措施去改善…beatsb.winamatchlosetosb.精選pptpowerfulabovealivefollowingamazingoddcalculating

accurateelectronicequaladj.powern.Heisstillalive.alive不能做定語(yǔ),只能做表語(yǔ)Heis_______

atthe_______sceneryinthemountainareainFrance.electricityn.amazedamazing精選pptPrep.minusagainstplus

wronglyespecially

adv.beagainst反對(duì)leanagainst…斜靠在…playagainst與…打比賽Fourminustwois______.Fiveplustwois_____.wrong錯(cuò)誤的twoseven精選pptPhrases(Page48)inourdailylife在我們的日常生活中aninternationallanguage一門國(guó)際語(yǔ)言adecimalnumber小數(shù)drawcircles畫(huà)圓apairofevennumbers一組偶數(shù)onthenextpage在下一頁(yè)longago很久以前anespeciallyimportantnumber一個(gè)特別重要的數(shù)字calculatebetterthanacomputer比電腦計(jì)算得好animportantpartofyourbody身體重要的一部分differentwaysofdoingsth做某事不同的方法measureangles測(cè)量角度Therearedifferentwaysofwritingthisword.Theprotractorisusedformeasuringangles.精選pptphrases(page49)1.atleast至少2.hisownlanguage他自己的語(yǔ)言3.ancientnumber古老的數(shù)字4.inancienttimes在古代5.inmanydifferentways用不同的方法6.inthesameway用相同的方法7.intens用十進(jìn)制8.thesystemofnumbers數(shù)字體系9.consistof由…組成10.numbersfrom1to9從1到9的11.fromthebiggesttothesmallest從最大到12.makeiteasierforsbtodo對(duì)某人來(lái)說(shuō)做某事變得更容易Itrequiresatleasttwodays.

Wecansolvethisprobleminmanydifferentways.Waterconsistsofhydrogenandoxygen.Wahshingmachinesmakeiteasierforpeopletowashtheirclothes.精選pptPage491.oneofthefirst…最…之一2.sofastandaccuratethat如此地快和準(zhǔn)確以致于3.thebeadsonthewires算盤桿上的算盤珠4.startfromthebottomwire從底部的算盤桿開(kāi)始5.thepictureontheright右邊的圖片6.amodernelectroniccalculator一個(gè)現(xiàn)代的電子計(jì)算器7.calculatepercentagesandsquareroots計(jì)算百分比和平方根8.inaflash在剎那間9.doacalculation進(jìn)行計(jì)算10.inone’swholelifetime用某人一生的時(shí)間Shanghaiisoneofthelargestcities

intheworld.Hewas

soexcitedthat

hecouldn’tspeak.精選ppt(Page49)callthebrainalivingcomputer把人腦叫做電腦……amorepowerfulcalculatorthan一個(gè)比…更強(qiáng)大的計(jì)算器giveananswer給出一個(gè)答案aladyfromIndiawithanamazingbrain一名來(lái)自印度有著驚人大腦的女士calculatelikelightning像閃電一樣計(jì)算solveaproblem解決一個(gè)問(wèn)題begivenaproblemtosolve被給一個(gè)問(wèn)題來(lái)解決tookfiftysecondstofind…做某事花…時(shí)間begindoing開(kāi)始做某事haveto不得不programmesthwithinstructions用…來(lái)編程序use...todo用…來(lái)做某事theproblemsabove以上的問(wèn)題powerfulenough足夠強(qiáng)大onpage59在59頁(yè)Ittookhimtwohourstofinishhishomeworklastnight.He______twohours_______hishomeworklastnight.spentin

finishingLilyhastotellthetruth,__________?doesn’tsheThebookis_______________formetoread.easyenough精選pptMorephrasesgiveareasonforyouranswer就答案給出理由startwith以…開(kāi)始payattentionto…注意bequiet安靜haveaseat坐下beafraid恐怕makeanoise吵鬧belatefor=comelateto遲到AmultipliedbyBisCAdividedbyBisCAtotalof15總數(shù)為15Wemustpayattentiontoyourteacherinclass.beafraidofbeafraidtodobeafraidthat..Hehandledthetesttubewithcare,becausehewas___________breakingit.afraidof3___________7is21.3乘以7等于21。multipliedby15___________3is5.15除以3等于5。dividedby精選ppt60cardinalnumbers基數(shù)詞WhatcanIdoforyou?copydown…wronglychecksthwithsb.agiftof35,000fellowstudentsdrawalinegraphNotatallrisesto…fallsto…44%ofourclassmatesinthesameyeartheaverageage/height/weight/temperature…What’sthepopulationofChina?CanIhelpyou?IsthereanythingIcandoforyou?Thelinegraphshowsthenumber______________1005in2003risesto圖中表示在2006年數(shù)字再次下降到907。Thelinegraphshowsthenumber_________________907in2006.

fallsagain

to精選ppt練習(xí)：一用下列詞語(yǔ)的適當(dāng)形式完成句子

consistofstandforinventthezero docalculationsbetterthanfrom…to…adecimalnumberso…thatcomefromknowabout1.Hewalked_________fast_______Icouldn’tcatchupwithhim.2.Indiansthen_____________________.3.Thecommittee_____________________tennumbers.4.Wegotoschool______Monday______Friday.5.Whatdoes‘T.G.’_____________________in‘T.G.Smith’?6.Averypowerfulmachinesfor_____________________.7.Whatdoyou_____________________thecomputers?8.Heis_____________________meatswimming.9.0.88is_____________________.10.Japanese_____________________Japan.sothatinventedthezeroconsistsoffromtostandfordoingcalculationsknowaboutbetterthan

adecimalnumbercomesfrom精選ppt

綜合閱讀：Numbers：Everyone’slanguageHowmanylanguagesdoyouknow?Everyoneknowsatleasttwohisorher(A)_____languageandtheinternationallanguageofnumbers.AncientnumbersInancienttimes,peoplewrotenumbersinmanydifferentways,asthesepicturesofthenumber6show.However,theynearlyallcounted(B)_____________intens.ZeroThesystemofnumbersthatnearly（C）everyoneusestodayconsistsofthenumbers

from1to9and0.Withthesetennumbers,wecanwriteanynumberfromthebiggesttothesmallest.TheIndiansfirstinventedanddevelopedthe1to9systemofnumbers.Theytheninventedthezero.Thiswasaveryimportantinventionbecauseitmadeiteasiertowritebignumbersandtocalculate.CalculatingmachinesOneofthefirstcalculatingmachineswasanabacus.（D）Abacusesaresofastandaccuratethatpeoplestillusethemtoday.Ontheabacusinthepicture,thebeadsonthewiresrepresentones,tens,hundredsandthousands,startingfromthebottomwire.Thepictureontherightshowsamodernelectroniccalculator.Itcanadd,subtract,multiplyanddivide.Itcanalsocalculatepercentagesandsquareroots.Thepictureshowsacomputer.Computersareverypowerfulcalculatingmachines.(E)Inaflashacomputercandoacalculationthatyoucouldnotdoinyourwholelifetime.（H）______________________________________精選pptSomepeoplecallthebrainalivingcomputer.Isahumanbrainamorepowerfulcalculatorthanacomputer?Thefollowingstorymaygiveananswer.ShakuntalaDeviisaladyfromIndiawithanamazingbrain.Shecancalculatelikelightning.InAmerica,Shakuntalaandaverypowerfulcomputerweregiventhisproblemto(F)findananswerto.Shakuntala’sbrain（G）用50秒找到了答案.Thecomputertookaminute.However,beforethecomputercouldbegincalculating,someonehadtoprogramitwithinstructions,andthattookmanyhours.NoonehadtoprogramShakuntala!Useyourownlivingcomputertosolvetheproblemabove.Ifitisnotpowerfulenough,youwillfindtheansweronpage59.1.在A處填入一個(gè)適當(dāng)?shù)膯卧~:___________________2.在B處填入一個(gè)適當(dāng)?shù)亩陶Z(yǔ):__________________3.將C處改寫(xiě)成Thesystemofnumbersthatnearlyeveryoneusestoday____________________ofthenumbersfrom1to9and0.4.將D處句子改寫(xiě)為：Abacusesarefastandaccurate_______________people________usethemtoday.5.將E處翻譯成漢語(yǔ)：______________6.根據(jù)F的釋義寫(xiě)一個(gè)單詞：______________7.將G翻譯成英語(yǔ)：_______________8.將H處的小標(biāo)題寫(xiě)上：________________________9.Fromthearticle,canyouguess“itisn’tamachine,andit’salive.”Whatdoesitreferto?A__________________10.Whyistheinventionof“0”important?ownInthesamewayismadeupenoughforto一閃念solvetookfiftysecondstofindtheanswerBrainagainstcomputerhumanbrainBecauseitmadeiteasiertowritebignumbersandtocalculate精選ppt語(yǔ)法專練(A)請(qǐng)將方框中各類數(shù)字的不同英語(yǔ)表達(dá)填寫(xiě)在下面的表格里。種類數(shù)字英語(yǔ)表達(dá)百分?jǐn)?shù)72%1．溫度35°C2．基數(shù)詞113．序數(shù)詞12th4．小數(shù)36.165．分?jǐn)?shù)4/56．年代19877．電話號(hào)碼274581168．日期12/99．時(shí)間6:5510．其它232路汽車11．345號(hào)房間12．seventy-twopercentthirty-fiveCelsiuseleventwelfththirtysixpointonesixfour-fifthsnineteeneighty-seventwosevenfourfiveeightdoubleonesixDecembertheninth;theninthofDecembersi