最權(quán)威的國(guó)際教育服務(wù)平臺(tái)資料來(lái)源：教育優(yōu)選/雅思流程圖八大范文1.《蠶絲制作》Sample：Asisdisplayedinthefirstdiagram,thelifecycleofthesilkwormcanbecategorizedinto4mainstages.First,thelifeofthesilkwormstartsfromeggspropagatedbythemoth,andittakes10daysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Silkwormlarvacontinuestogrowin4to6weeks,thenwrappingitselfwithsilkthreadtoconstructacocooninthenext3to8weeks.Amothcanbeproducedfromthecocoonin16days.Thelifecyclebeginsagainfromthenon.Focusingontheseconddiagram,itillustratesthe5mainstepsoftheprocedureofproducingsilkcloth.Wellgeneratedcocoonswillbeselectedfirstly.Beforethesilkthreadcanbeunwound,cocoonshavetobeboiledinhotwater.Onecocooncanproduceapproximately300to900metresofsilkthread.Theunwoundthreadwillbedyedafterwardstobeweavedintosilkcloth.Overall,thetwodiagramsrevealthestageofproducingcocoonsinthelifecycleofthesilkwormcanbeusedtomakesilkcloththrough5simplesteps.CambridgeIELTS6Version:Thefirstdiagramshowsthattherearefourmainstagesinthelifeofthesilkworm.Firstofall,eggsareproducedbythemothandittakestendaysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Thisstagelastsforuptosixweeksuntilthelarvaproducesacocoonofsilkthreadarounditself.Afteraperiodofaboutthreeweeks,theadultmothseventuallyemergefromthesecocoonsandthelifecyclebeginsagain.Thecocoonsaretherawmaterialusedfortheproductionofsilkcloth.Onceselected,theyareboiledinwaterandthethreadscanbeseparatedintheunwindingstage.Eachthreadisbetween300and900metreslong,whichmeanstheycanbetwistedtogether,dyedandthenusedtoproduceclothintheweavingstage.Overall,thediagramsshowthatthecocoonstageofthesilkwormcanbeusedtoproducesilkcloththroughaverysimpleprocess.2.《戶外取水》Thechartdescribeshowwaterisobtainedoutdoors.Accordingtothefigure,thefirststepofobtainingwateroutdoorsistofindaholewithgreenplantsonitsbottom.Next,removethegreenplantsinthemiddleandputacontainerthere.Then,covertheholewithaplasticsheetandplacetwostonesonbothendsofittosecureitsposition.Athirdstoneislaidonthemiddleoftheplasticsheetsothatthemiddlepartisalsothelowestpart.Whenthesunshinesonthegreenplantsinthehole,waterevaporatesfromtheseplants.Thevaporrisesupandthencoolsdowntoformwaterdropsontheplasticsheet.Whenthereismoreandmorewater,itflowsalongthesheettoaccumulateonthelowestpart.Finally,waterfallsdownintothecontainerdirectlyunderthemiddlestone.Thus,wateriscollectedsuccessfullythroughevaporationfromgreenplants.3.《房屋不同季節(jié)的構(gòu)造》Asisdisplayedintheflowchart,theprinciplesofinsulationincoolandwarmclimaterespectivelydiffertoalargeextent.Astothesituationofcoolclimate,weadoptthehigh-angledroofinordertobenearlyparallelwiththedirectionofthesunsothatthedirectexpositiontotheheatofsunislessenedasmuchaswecan.Bythis,thetemperatureofthematerialwon’tfluctuatewithinalargerange.Meanwhile,thermalbuildingmaterialcouldenhancetheheatstorageinsulation,preventingoutflow,thusreductionofheat.Adversely,inwarmclimate,reflectivebuildingmaterialisindispensablewithoverhandsforshade.Thedirectionoftheroofisalmostverticaltothedirectionofthesuntoleadtoexternalinsulationreflection.Bythis,ventilationwouldresultintheremovalofheatstorageratherthanreduction.Throughthedifferentworkingprinciplesofventilation,wearefascinatedbythemasterpiecesofmodernscienceandtechnology.4．《超市建造地點(diǎn)選擇》Asisunfoldedinthemap,PlaceMandNhavetheiruniqueprosandconsastotheplaceforbuildingthesupermarket.Firstofall,PlaceNislocatedintheurbanareaoftheGtown,whichmayhavemorepopulationandbusiness.ThisadvantageisincomparablewithPlaceM.What’smore,Mainroadrunsacrossthecenterareawithconvenienceintrafficandlogisticsforthemarketafterwards.However,theplaceisequallyfarawayfromtheneighborhoodandthesuburbareaandcannotattracttheresidentsintheoutskirts.Asadouble-edgedsword,PlaceMismorespecificallycustomer-oriented.InspiteofitscomparablyremotelocationwithPlaceN,itwouldattractmorecustomersintheoutskirts,fortheyarereluctanttomakealongtripforshopping.Ontheotherhand,thetrainlinenearbywillalsobringconvenienceintraffictotheurban-dwellers.Situatedtothenorth-westofPlaceN,PlaceMisneartheAandBTownwithtotalpopulationof23million,faroutnumberingtheoverallpopulationofDandEtown,with12million.What’sworthyofbeingmentionedisthatfiercecompetitioninPlaceNandprobablemonopolyinPlaceMshouldalsobetakenintoaccountwhenbuildingthesupermarket.

5.《玻璃的再生》Asisdisplayedintheflowchart,therecyclingprocessofglassisreallyacomplexone.Theoverallprocesscanbecategorizedinto3stages.First,glassproductsinvariousformsaregatheredintheCollectionpoint,sothattheyareeasilytransportedbyspecialtrucksorvanstotheCleaningplant,wheretheygetsterilizationbyhigh-pressuredwater.TherearethreedifferentchannelsintheRecyclingplant,namelyBrown,GreenandClear,whichrepresentthecolorsofglass.Afterrecycledinthefurnace,glassproductsaremeltedintorecycledliquidglass.Mixedwithnewliquidglass,thecompoundisfinallymouldedintosolidglass,which,afterwards,willbesenttovariouscustomersupermarketsforselling.Thus,theglasswillgotothecustomersfordifferentpurposes.Throughabriefintroductionofthecircleofglassrecycling,wecometorealizethatrecyclingplaysavitalroleinenvironmentalprotectionandecologicalpreservation.6．《化肥的制作》Asisshownintheflowchart,theprocessofrecyclingorganicwastetoproducecompostisreallyacomplexone.Thewholeprocesscanbecategorizedintofivestages.Firstofall,prepareaplasticcontainerwhichhasfourholesforventilatingtheair.Thereisarulewhenputtingwasteintothecontainer,foodatthebottomwithin15centimetershigh,grassatthemiddleandnewspaperatthetopwithin15centimetershighaltogether,inordertomakeaoptimumenvironmentfordifferentbacteriareproducing.Inthefollowingstage,wecanwitnessnitrogenandwaterbeingputintothecontainer.What'sworthmentioningisthatwaterisonlyaddedinahotweather.Next,heatthewasteandletthebacteriareproducefastly,withwhichtheorganicwastecanbedecomposedandbecamegardenfertiliserafter6months.Subsequently,wecancarrythecompostoutandmoveittothegarden,thusanewrecyclingcanbegin.Inconclusion,usingthiswaytoturntheorganicwasteintogardenfertiliserisenvironmentallyfriendly.Byenlargingthenumberorvolumeofthecontainer,wecandisposemorewasteatthesametime.7．《美國(guó)黃石公園植被恢復(fù)》（暫無(wú)范文）8．《咖啡的制作》Thediagramshowsthestagesintheprocessofmakingchocolate.Chocolatecomesfromthecacaotree,whichisgrowninpartsofSouthAmerica,AfricaandIndonesia.Thetreeproduceslargeredpodswhichcontainwhitecocoabeans.Firstly,whenthepodsareripe,theyareharvested,thebeansareremovedandtheyarefermentedforseveraldaysinlargewoodenboxes.Duringthefermentingprocess,thebeansturnbrown.Next,thebrownbeansarespreadinthesuntodry.Theyarethenputinlargesacksandtransportedbytrainorlorry.Afterthis,thebeansaretakentoachocolatefactorywheretheyareroastedinanovenattemperaturesofbetween250and350degreeCelsius.Afterbeingroasted,thebeansarecrushedandtheoutershellisremoved.Thispartisnotneededformakingchocolate.Finally,theinnerpartofthebeanispressedandliquidchocolateisproduced.9.《磚塊的制作》Theprocessbywhichbricksaremanufacturedforthebuildingindustrycanbeoutlinedinsevenconsecutivesteps.Firsttherawmaterial,clay,whichwasjustbelowthesurfaceofsoilincertainclay-richareashastobedugupby