最新最全雅思流程图汇总Word格式文档下载.docx
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最新最全雅思流程图汇总Word格式文档下载.docx
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∙Thediagramsbelowshowthestagesandequipmentusedinthecement-makingprocess,andhowcementisusedtoproduceconcreteforbuildingpurposes.
∙Summarisetheinformationbyselectingandreportingthemainfeatures,andmakecomparsonswherereleant.
∙Thefirstdiagramindicatesthestagesandequipmentintheprocessofmakingcement,andthesecondoneillustrateshowcementandothermaterialsaremixedtoproduceconcreteforbuildingpurposes.
∙Cementproductioninvolvesthefollowingsteps.Thefirststepistoputlimestoneandclayontwodifferentconveyors.Then,thesetwotypesofmaterialsarepressedintothecrusherwhichbreaksthemintopowder.
Afterthat,thepowderispouredintoamixer,andthenmixturesaretransmittedintoarotatingheaterwhichworkswithheat.Thefollowingstepisthatabandcarrierleadstheheatedpowdertoagrinderwherethecementcomesout.Finally,cementispackedintobags,andtheprocessisfinished.
∙Concreteproductionismuchmoresimple.Fourdifferentkindsofmaterialsareneededindifferentproportion.Gravelaccountsforthelargestpart,at50%,followedbysand,whichis25%.Cementandwatercontributes15%and10%respectively.Thefourmaterialsarethenmixedandpouredintoaconcretemixerandafteraperiodofwhirling,concreteisproduced.
∙Inconclusion,makingcementhasmorecomplexprocessthanmakingconcretethoughconcreteneedsmorematerialsthancement.
二
∙Thediagramsbelowshowthelifecycleofthesilkwormandthestagesintheproductionofsilkcloth.
∙Summarisetheinformationbyselectingandreportingthemainfeatures,andmakecomparisonswhererelevant.
∙Thefirstdiagramshowsthattherearefourmainstagesinthelifeofthesilkworm.Firstofall,eggsareproducedbythemothandittakestendaysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Thisstagelastsforuptosixweeksuntilthelarvaproducesacocoonofsilkthreadarounditself.Afteraperiodofaboutthreeweeks,theadultmothseventuallyemergefromthesecocoonsandthelifecyclebeginsagain.
∙Thecocoonsaretherawmaterialusedfortheproductionofsilkcloth.Onceselected,theyareboiledinwaterandthethreadscanbeseparatedintheunwindingstage.Eachthreadisbetween300and900metreslong,whichmeanstheycanbetwistedtogether,dyedandthenusedtoproduceclothintheweavingstage.
∙Overall,thediagramsshowthatthecocoonstageofthesilkwormcanbeusedtoproducesilkcloththroughaverysimpleprocess.
三
∙Theflowchartbelowshowshowchewinggumismade.
∙Summarisetheinformationbyselectingandreportingthemainfeaturesandmakecomparisonswhererelevant.
∙Thediagramshowshowchewinggumisproduced.Firstlytheingredientsofgumareputintoacontainerandwasheateduntiltheyformasinglemass.Thisisthenstraineduntilalloftheliquidhasbeeneliminated.Next,thegumispassedintoanothercontainer/placeandthedesiredflavorings,sweetenersandsoftenersareaddedThismixtureisblendeduntilalloftheingredientsaremixedtogether.Thegumthentravels/passestoadifferentmachinewhichusesrollerstoflattenoutthegum.Finallythethinsheetsofgumarecutintorectangularshapesandbrokenintoseparatepiecesthenthegumpasses/travelsalongaconveyorbeltwhereitisenclosedinpackagingreadyfordistribution.
四
∙Thediagrambelowshowshowfruitiscanned.
∙Summarisetheinformationbyselectingandreportingthemainfeaturesandmakecomparisonswhererelevant.
∙Thediagramshowstheprocessofcanningfreshfruit.Firstthefruitispickedfromtreesbyhand.Itisthentransportedtothecannerybylargetrucks.Atthecannerythefruitiswashedandqualitychecked,andanypoorqualityfruitisrejected.Thegoodqualityfruitisputintocoldstorage.Whenitisreadyforcanningthefruitisweighedandgraded.Thegradingensuresthatfruitofasimilarsizeiskepttogether.Afterthisthefruitispeeledandthecoresareremoved.Itisthenslicedintotherequiredsizesandputintocans.Juiceorsyrupisalsoaddedtothecans.Oncethecanshavebeenfilled,theyaresealedandcookedoverheattoensurethatthecansaresterilized.Whenthecansarecool,labelsareattachedandtheyareplacedintostorages.Thecannedfruitisnowreadytobedespatchedtosupermarketsandsold.
五
∙Thediagrambelowshowstheprocessofmakingchocolate.
∙Chocolate'
svariedflavours,colours,shapesandtexturesresultfromdifferentrecipetraditions.Whichhaveevolvedindifferentpartsoftheworld.Theessentialingredientinallchocolateiscocoa,whichismadefromthecream-colouredbeansthatgrowinpodsonthecacaotree.Thecacaotree,whichgrowsinequat
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