雅思写作范文总结

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1、Topic1-Topic4-6weeksLifecycoof一he2.5rwormrrw-blnrrykuH・【food)cocoonmothdays16dayAnswer1"Thefirsidiagramshowsthefourmainstagesinthelifeofasilkworm》while一?^JFy_LurJJnr回耳theseconddescribestheprocessofmakingsilkcloth.Firstofall,eggsareproducedbythemoth蛾andi

2、ttakestendaysforeacheggtobecomeasilkwormlarva幼虫that定语从句feedson以为食mulberryleaves.Thisstagelastsfor持续upto直至！Jsixweeksuntilthelarvaproducesacocoonofsilk蚕丝茧threadarounditself.Afteraperiodofaboutthreeweeks,theadultmothseventually最后emergefrom脱离thesecocoonsand

3、thelifecyclebeginsagain•这是最后一个循环，因此也要说。Thecocoonsaretherawmaterial原$4usedfortheproductionofsilkcloth.Onceselected,theyareboiledinwaterandthethreadscanbeseparatedintheunwindingstage・Eachthreadisbetween300and900meterslong,which定语从句meanstheycanbetwistedtog

4、ether,dyedandthenusedtoproduceclothintheweaving编织stage.Overall,thediagramsshowthatthecocoonstageofthesilkwormcanbeusedtoproducesilkcloththroughaverysimpleprocess.Answer2：Asisdisplayedinthefirstdiagram,thelifecycleofthesilkwormcanbecategorizedinto4mainst

5、ages.First,thelifeofthesilkwormstartsfromeggspropagated（繁殖，繁衍，增殖）bythemoth,andittakes10daysforeacheggtobecomeasilkwormlarvathatfeedsonmulberryleaves.Silkwormlarvacontinuestogrowin4to6weeks,thenwrappingitselfwithsilkthreadtoconstructacocooninthenext3to8w

6、eeks・Amothcanbeproducedfromthecocoonin16days.Thelifecyclebeginsagainfromthenon.Focusingontheseconddiagram,itillustratesthe5mainstepsoftheprocedureofproducingsilkcloth・Wellgeneratedcocoonswillbeselectedfirstly.Beforethesilkthreadcanbeunwound,cocoonshavet

7、obeboiledinhotwater.Onecocooncanproduceapproximately300to900metersofsilkthread.Theunwoundthreadwillbedyedafterwardstobewovenintosilkcloth.Overall,thetwodiagramsrevealthestageofproducingcocoonsinthelifecycleofthesilkwormcanbeusedtomakesilkcloththrough5si

8、mplesteps.