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8AChapter4精選ppt
全部,全體,整體n.____________一生n._____________________相反,對(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._____錯誤n._____________________
弄錯v._____________________活著的adj.__________________敲打;擊敗v._________________理由,原因n.________________
錯誤地
adv._________________wholelifetimeagainstsurprising
掌握詞語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._______________計算;估算v.______________大腦n._______________(常用作復(fù)數(shù))時代;時期n.__________
數(shù),計算
v.________________系統(tǒng),體系n._______________發(fā)明;創(chuàng)造v._______________發(fā)展;發(fā)育;成長v.________________發(fā)明;創(chuàng)造n._______________強大的,作用大的adj._______________zeroaddplusdividedividedegreecalculatebraintimecountsysteminventdevelopinventionpowerful精選ppt小數(shù)n.________________量角器n.________________量;測量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n._____________羅馬人n._____________埃及人n._____________用于計算的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…總計達(dá)…精選pptverbadddividecalculatedevelopsolvemistake
beatmeasure
multiplySubtractequalrepresentaddupto總計bedividedinto…被分成…developmentn.developingadj.developedadj.lessdevelopedmistake…for…把…和…混淆measurementn.takemeasurements
進(jìn)行測量takemeasurestoimprove…采取措施去改善…beatsb.winamatchlosetosb.精選pptpowerfulabovealivefollowingamazingoddcalculating
accurateelectronicequaladj.powern.Heisstillalive.alive不能做定語,只能做表語Heis_______
atthe_______sceneryinthemountainareainFrance.electricityn.amazedamazing精選pptPrep.minusagainstplus
wronglyespecially
adv.beagainst反對leanagainst…斜靠在…playagainst與…打比賽Fourminustwois______.Fiveplustwois_____.wrong錯誤的twoseven精選pptPhrases(Page48)inourdailylife在我們的日常生活中aninternationallanguage一門國際語言adecimalnumber小數(shù)drawcircles畫圓apairofevennumbers一組偶數(shù)onthenextpage在下一頁longago很久以前anespeciallyimportantnumber一個特別重要的數(shù)字calculatebetterthanacomputer比電腦計算得好animportantpartofyourbody身體重要的一部分differentwaysofdoingsth做某事不同的方法measureangles測量角度Therearedifferentwaysofwritingthisword.Theprotractorisusedformeasuringangles.精選pptphrases(page49)1.atleast至少2.hisownlanguage他自己的語言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對某人來說做某事變得更容易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從底部的算盤桿開始5.thepictureontheright右邊的圖片6.amodernelectroniccalculator一個現(xiàn)代的電子計算器7.calculatepercentagesandsquareroots計算百分比和平方根8.inaflash在剎那間9.doacalculation進(jìn)行計算10.inone’swholelifetime用某人一生的時間Shanghaiisoneofthelargestcities
intheworld.Hewas
soexcitedthat
hecouldn’tspeak.精選ppt(Page49)callthebrainalivingcomputer把人腦叫做電腦……amorepowerfulcalculatorthan一個比…更強大的計算器giveananswer給出一個答案aladyfromIndiawithanamazingbrain一名來自印度有著驚人大腦的女士calculatelikelightning像閃電一樣計算solveaproblem解決一個問題begivenaproblemtosolve被給一個問題來解決tookfiftysecondstofind…做某事花…時間begindoing開始做某事haveto不得不programmesthwithinstructions用…來編程序use...todo用…來做某事theproblemsabove以上的問題powerfulenough足夠強大onpage59在59頁Ittookhimtwohourstofinishhishomeworklastnight.He______twohours_______hishomeworklastnight.spentin
finishingLilyhastotellthetruth,__________?doesn’tsheThebookis_______________formetoread.easyenough精選pptMorephrasesgiveareasonforyouranswer就答案給出理由startwith以…開始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處填入一個適當(dāng)?shù)膯卧~:___________________2.在B處填入一個適當(dāng)?shù)亩陶Z:__________________3.將C處改寫成Thesystemofnumbersthatnearlyeveryoneusestoday____________________ofthenumbersfrom1to9and0.4.將D處句子改寫為:Abacusesarefastandaccurate_______________people________usethemtoday.5.將E處翻譯成漢語:______________6.根據(jù)F的釋義寫一個單詞:______________7.將G翻譯成英語:_______________8.將H處的小標(biāo)題寫上:________________________9.Fromthearticle,canyouguess“itisn’tamachine,andit’salive.”Whatdoesitreferto?A__________________10.Whyistheinventionof“0”important?ownInthesamewayismadeupenoughforto一閃念solvetookfiftysecondstofindtheanswerBrainagainstcomputerhumanbrainBecauseitmadeiteasiertowritebignumbersandtocalculate精選ppt語法專練(A)請將方框中各類數(shù)字的不同英語表達(dá)填寫在下面的表格里。種類數(shù)字英語表達(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.電話號碼274581168.日期12/99.時間6:5510.其它232路汽車11.345號房間12.seventy-twopercentthirty-fiveCelsiuseleventwelfththirtysixpointonesixfour-fifthsnineteeneighty-seventwosevenfourfiveeightdoubleonesixDecembertheninth;theninthofDecembersi
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