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话题背景抢先知HowtogetchildreninterestedinscienceIt'sespeciallyfunandeasytotakepartinyourchild'sscienceeducation.Youdon'tneedtobeascientist,orhavelotsoffactsinyourhead.Allyouneedisaloveofdiscovery.Showyourchildthatit'sgoodtobecuriousandtoaskquestions.Thiswillgivehimconfidenceinhisownabilitytoexplore.Herearesomewaystogetinvolved:BetheexampleShowhimhowcuriousyouare.Letyourownsenseofdiscoveryguideyourexploration.Showanattitudeofopennesstolearning.Showthefunofexplorationandthejoyoflearningnewthings.PointitoutScienceisallaroundyou.Findfunwaysofshowingyourchildthescienceofhereverydaylife.It'sincooking,cleaning,buildingafireinthefireplace.It'sintheyard,thegarageandthebasement.Thenightsky,themorningdew,therisingandsettingofthemoonandsun;it'sallscience.TeachobservationChildrenaresurroundedwithnewinformation.Itcanbealottotakein.Butthey'realwayslooking,andalwayslistening.Teachyourchildtopaycloserattentiontodetails.Whenheseessomethingnew,askhimtonoticethesize,theshape,thecolor,thesmell,andthesound.Teachhimtotakeamomenttonoticethings.Youcanevenencouragehimtotakenotesofthethingsheseeseachday.,[阅读障碍词]discoveryn.发现,发觉;被发现的事物confidencen.信心;信任;秘密explorev.勘查;探索attituden.态度;看法surroundvt.包围,围绕observationn.观察encouragevt.促进;支持;鼓励Ⅰ.Matchthewordwithitsmeaning.1.conclusionA.普通的;平常的2.reactB.阶段;时期3.mixtureC.膨胀4.electricityD.液体5.floatE.设备;装备6.expandF.煮;煮沸7.ordinaryG.结论8.boilH.反应9.equipmentI.电10.liquidJ.收缩11.contractK.漂浮12.stageL.混合物答案:1~6GHLIKC7~12AFEDJBⅡ.Writedownthemeaningofphrasesineachsentence.1.YouknowthefirstthingIthoughtofwhenIwokeup?想起;想到2.Theyneedtointerviewsomepeopleandfindoutiftheyliketheirjobs._查明3.Hehadevenbeenkeptoutofschoolduringthebusiestseasons.置身于外4.Hehurriedmeintoputtingmyownhouseinorderfirst.整理5.Inconclusion,Iwishthismeetingeverysuccess.最后6.Ironreactswithwaterandairtoproducerust.与……发生反应7.Doyouwanttoaddyournametothelist?把……加到……Matchthefollowingobjectswiththeirnames.A.crucibleB.beaker&glassrodC.alcoholburnerD.microscopeE.tongsF.testtubeG.balance答案:①~⑦EDBCFGAⅠ.Fastreading1.SkimthepassageAandwritedownthemainideaofit.The_reaction_of_metals_with_different_substances.2.SkimpassageBandwritedownthemainideaofeachpart.(1)Part1Iron_in_dry_air.(2)Part2Iron_in_airfree_water.(3)Part3Iron_in_ordinary_water.Ⅱ.CarefulreadingReadthetextcarefullyandchoosethebestanswer.PassageA1.Thefirstsentence“Itishardtothinkofaworldwithoutmetals.”willmakeusthink_______.A.metalsmakeuptheworldB.metalsplayagreatlyimportantroleintheworldC.therewouldbenoworldiftherewerenometalsD.itisdifficultforustoliveintheworldofmetals2.Thetableinthepassageisarrangedinorderof________.A.metalkindsB.reactionactivitiesC.valuesofmetalD.thefirstlettersofthewords3.Anoxideisa________.A.newkindofmetalsB.kindofgasesC.productofthereactionD.factor(因素)ofachemicalreaction4.Accordingtothetable,whichmetalismostsuitabletomakeourdailykitchenware(厨房)?A.Zinc.B.Iron.C.Copper.D.Magnesium.PassageB5.WhichisNOTtheapparatus(仪器)thatisrequiredintheexperimentof“Ironindryair”?A.Cottonwool.B.Oil.C.Ironnails.D.Testtubeholder.6.Whichisrequiredasoneoftheapparatusintheexperimentof“Ironinordinarywater”?A.Oil.B.Cotton.C.Bunsenburner.D.Testtubeholder.7.Thepurposeofthesethreeexperimentsistofindouthow________.A.ironreactswithwaterandairB.importantironisC.dotheexperimentofiron'sreactionwithwaterandairD.tokeepironrustless答案:1~4BBCC5~7BDDⅢ.StudyreadingAnalyzethedifficultsentencesinthetext.1.Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.[句式分析]在该句中forexample为插入语,后面接的是由并列连词and连接的两个简单句,其中两个简单句中“主语+isused...”是被动语态。[尝试翻译]不同的金属有不同的用途,比如,钢材被用于汽车中,铁被用于电器设备中。2.Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.[句式分析]Whenweusemetals是时间状语从句,it为形式主语,真正的主语是后边的动词不定式toknowhow...。[尝试翻译]当我们使用金属时,了解它们与不同的物质如何反应很重要,比如,水和氧气。3.Hereisatablewiththemetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom.[句式分析]此句为倒装句。here置于句首,主语为名词,此时要将谓语动词放在主语前构成倒装。两个that从句都是定语从句,修饰前面的先行词metals。atthetop和atthebottom在句中作宾补。[尝试翻译]这里有一个表格,反应最强的金属在上面,反应最弱的在下面。[对应学生课时达标训练(十七)]阅读理解AChemicalChangeandPhysicalChangeTherearetwokindsofchanges—chemicalchangeandphysicalchange.Inachemicalchange,thereisalwaysanewsubstanceformed.Breakingupwaterintohydrogenandoxygenisachemicalchange.Ineachofthechemicalchangeatleastonenewsubstanceisformed.Achangeisnotachemicalchangeifitdoesn'tformanewsubstance.Physicalchangesareverymon,too.Therearemanyexamples.Youcanmakeaphysicalchangebytearingapieceofpaperintotwo,orbycuttingapieceofironwithlathe(机床).Herepaperisstillpaper,andtheironisstilliron.Anotherwayofmakingphysicalchangeisdissolvingsomethinginwater.Whenyoudissolvesaltinwater,thesaltdisappears.Youmaythinkthatanewsubstancehasbeenformed.Butreallythereisnonewsubstance.Thesaltisstillsalt.Youcanstilltasteit.Sothedissolvingofanythingisaphysicalchange.Whenwaterfreezes,thechangeisalsoaphysicalone.Thewaterchangesfromliquidtosolid,butitisstillthesamesubstance.Thatiswhythefreezingofanythingisaphysicalchange.语篇解读:本文主要讲了两种变化——化学变化和物理变化。1.Thedissolvingofsaltinwateris________.A.aphysicalchangeB.achemicalchangeC.hydrogenandoxygenD.breakingup解析:选A细节理解题。根据文章第四段,尤其是最后一句可知:溶解任何东西都是物理变化。2.Thechangeofthethreestatesofwateris________.A.achemicalchangeB.differentsubstancesC.aphysicalchangeD.thesamestate解析:选C细节理解题。从文章最后一段得知水从液体变为固体或变为气体,并没有生成一种新的物质,仍是同一种物质,因此水的三种形态变化属于物理变化。3.Wecanseparateachemicalchangefromaphysicaloneby________.A.thechangeofshapeB.thechangeofcolorC.newlyproducedsmokeD.newlyformedsubstances解析:选D推理判断题。由第二段可知在化学变化中有新物质产生,只要没有新物质产生就不是化学变化。由此得知:判断是化学变化还是物理变化的依据是看是否有新物质产生。4.Ifyouchangewaterintohydrogen,itis________.A.aphysicalchangeB.achemicalchangeC.aphysicalandchemicalchangeD.notachange解析:选B细节理解题。根据第二段可知:把水分解成氢气和氧气,是一个化学变化。BTherearemanyinterestingscienceexperimentsoutthereforyoungkids.Youcanwowyourfriendsandteacherswiththem.Allyouhavetodoistoputalittleeffortintoitandyoushouldhavenoproblemingupwithaninterestingscienceexperiment.Onesuchexperimentistoshowyourfriendsandteachersthatyoucanmakemothballs(樟脑丸)dance!Ifyouwanttodoit,first,besurethatyouhavegotallthenecessarysciencekitsforyourscienceexperiment.Whatyouneedforthisexperimentisaglassfilledhalffullwithwater.Addalittlebitofvinegar(醋)toyourglassofwater,about1/3or1/4ofacup(60ml),andoneteaspoon(10ml)ofbakingsoda,andthencarefullystirthemixture.Dropafewmothballsintotheglassandhaveyouraudiencewatch.Aslongasthesurfacesofthemothballsbeefairlyrough,theyshouldbegintobounceupanddownintheglass.Youcanalsodoasimilarexperimentwithraisins(葡萄干)andclearpop,_suchasSprite.Inthisexperiment,allyouhavetodoistofillaglasswithSpriteanddropafewraisinsintoit.TheraisinsshouldbegintobounceupanddownintheglassofSprite.YoucanalsoreplacetheraisinswithmothballsandyoushouldgetthesameeffectintheSprite.ThisprojectworksbecausetheirregularsurfacesofthemothballsandtheraisinsholdsomeCO2bubbles(气泡),causingthemtobounceupanddowninadancingmotion.语篇解读:文章向我们介绍了如何做简单且有趣的科学实验。5.Thewriterwrotethispassageto________.A.explainwhysomescienceexperimentsareeasyB.encouragepeopletospendmoretimeonscienceC.tellushowgoodheisatdoingscienceexperimentsD.teachkidshowtodoaneasyandinterestingscienceexperiment解析:选D作者意图题。通读全文,可知作者主要向我们介绍怎么做一个简单而有趣的科学实验,故选D。6.Whatisthemostprobablenameoftheexperiment?A.Producingmothballs.B.Dancingmothballs.C.Changingmothballs.D.Swimmingmothballs.解析:选B推理判断题。根据第一段的“Onesuchexperimentistoshowyourfriendsandteachersthatyoucanmakemothballs(樟脑丸)dance!”可知选“跳舞的樟脑丸”最好。7.Whichofthefollowingthingsareneededintheexperiment?a.bakingsodab.waterc.mothballsd.salte.vinegarf.sugarA.bcefB.acdeC.abcdD.abce解析:选D细节理解题。根据第三段的“aglassfilledhalffullwithwater.Addalittlebitofvinegar(醋)toyourglassofwater,about1/3or1/4ofacup(60ml),andoneteaspoon(10ml)ofbakingsoda”可知应选D。8.Theunderlinedword“pop”inParagraph4probablyrefersto“________”.A.amothballB.akindofvinegarC.adrinkwithbubblesD.aspecialkindofraisin解析:选C词义猜测题。根据画线词后“suchasSprite”以及“holdsomeCO2bubbles”可知pop在这里是指含有二氧化碳的饮料。CMonthlyTalksatLondonCanalMuseumOurmonthlytalksstartat19:30onthefirstThursdayofeachmonthexceptAugust.Admissionisatnormalchargesandyoudon'tneedtobook.Theyendaround21:00.November7thTheCanalPioneers,byChrisLewis.JamesBrindleyisrecognizedasoneoftheleadingearlycanalengineers.Hewasalsoamajorplayerintrainingothersintheartofcanalplanningandbuilding.ChrisLewiswillexplainhowBrindleymadesuchapositivecontributiontotheeducationofthatgroupofearly“civilengineers”.December5thIcefortheMetropolis,byMalcolmTucker.Wellbeforethearrivaloffreezers,therewasademandforiceforfoodpreservationandcatering,Malcolmwillexplainthehistoryofimportingnaturaliceandthetechnologyofbuildingicewells,andhowLondon'sicetradegrew.February6thAnUpdateontheCotswordCanals,byLizPayne.TheSmoudwaterCanalismovingtowardsreopening.TheThamesandSevernCanalwilltakealittlelonger.Wewillhaveareportonthepresentstateofplay.March6thEyotsandAitsThamesIslands,byMirandaVickers.TheThameshadmanyislands.Mirandahasundertakenareviewofallofthem.Shewilltellusaboutthoseofgreatestinterest.Onlinebookings:.uk/bookMoreinto:.uk/whatsonLondonCanalMuseum12-13NewWharfRoad,LondonNI9RT.ukcanalmuseum.mobiTel:02077130836语篇解读:文章主要介绍了在伦敦运河博物馆每个月的讲座安排。内容包括讲座的时间、做讲座的人以及讲座内容的简介。9.WhenisthetalkonJamesBrindley?A.February6th.B.March6th.C.November7th.D.December5th.解析:选C细节理解题。根据文章第二段第二句“JamesBrindleyisrecognizedasoneoftheleadingearlycanalengineers.”可知所对应的日期是November7th,故选C。10.WhatisthetopicofthetalkinFebruary?A.TheCanalPioneers.B.IcefortheMetropolis.C.EyotsandAitsThamesIslands.D.AnUpdateontheCotswordCanals.解析:选D细节理解题。根据文章第四段中的“AnUpdateontheCotswordCanals,byLizPayne.TheSmoudwaterCanalismovingtowardsreopening.”可以得出答案,故选D。11.WhowillgivethetalkontheislandsintheThames?A.MirandaVickers.B.MalcolmTucker.C.ChrisLewis.D.LizPayne.解析:选A细节理解题。根据文章第五段第一句“EyotsandAitsThamesIslands,byMirandaVickers.”可知做报告的人是MirandaVickers,故选A。eq\a\vs4\al([课文对译])PassageAItishardtothinkofaworldwithoutmetals.Differentmetalshavedifferentuses,forexample,steelisusedincars,andironisusedinelectricalequipment.Whenweusemetals,itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.Thereactionofmetalswiththesesubstancescanbeputinorder.Hereisatablewiththemetalsthatreactmostatthetop,andthemetalsthatreactleastatthebottom.MetalHeatedinoxygenReactionwithwaterorsteamPotassiumBurnstoformanoxide*ReactingwithcoldwaterSodiumCalciumMagnesiumReactingwithsteamAluminiumZincIronReactsslowlyPartialreactionCopperPartialreactionNoreaction*anoxide=anothersubstance+oxygenPassageBASimpleScientificExperimentBelowisadescriptionofasimplescientificexperiment.Itshowsushowironreactswithairandwithwater.Aim:Tofindoutifironrusts(a)indryair;(b)inwaterthathasnoairinit(airfreewater);(c)inordinarywater.Apparatus:3cleanironnails;testtubes;testtubeholder;cottonwool;oil;Bunsenburner.IronindryairMethod(1)Putsomeironnailsatthebottomofatesttube
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