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免费？宅在家学英语？怎么报名？最牛英语口语培训模式：躺在家里练口语，全程外教一对一，三个月畅谈无阻！洛基英语，免费体验全部在线一对一课程：（报名网址）Directions:Thepassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,C,D.YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Polyester(聚酯)isnowbeingusedforbottles.ICI,thechemicalsandplasticscompany,believesthatitisnowbeginningtobreakthegripofglassonthebottlebusinessandthustakeadvantageofthishugemarket.Alltheplasticsmanufacturershavebeenexperiencinghardtimesastheirtraditionalproductshavebeendoingbadlyworld-wideforthelastfewyears.Between1982and1984thePlasticsDivisionofICIhadlostahundredandtwentymilliondollars,andtheyfeltthatthe.mosthopefulnewmarketwasinpackaging,bottlesandcans.Since1982ithasopenedthreenewfactoriesproducingMelinar,therawmaterialfromwhichhighqualitypolyesterbottlesaremade.Thepolyesterbottlewasborninthe1970s,whensoftdrinkscompanieslikeCocaColastartedsellingtheirdrinksingianttwo-litercontainers.Becauseofthebuild-upofthepressureofgasintheselargecontainers,glasswasunsuitable.NorwasPVC,theplasticwhichhadbeenusedforbottlessincethe1960s,suitablefordrinkswithgasinthem.Anewplastichadtobemade.Glassisstillcheaperforthesmallerbottles,andwillcontinuetobesounlessoilandplasticbecomemuchcheaper,butplasticdoeswellforthelargersizes.Polyesterbottlesarevirtuallyunbreakable.Themanufacturersclaimtheyarealsolighter,lessnoisywhenbeinghandled,andcanbereused.Shopkeepersandotherbusinesspeopleareunlikelytoobjecttoachangefromglasstopolyester,sincethesebottlesmeanfewbreakages,whicharecostlyandtime-consuming.Thepublic,though,havebeenmoredifficulttopersuade.ICI'scommercialdepartmentisdevelopingdifferentbottleswithinterestingshapes,totryandmakethemvisuallymoreattractivetothepublic.Thenextstepcouldbetodevelopaplasticwhichcouldreplacetinsforfood.Theproblemhereisthehightemperaturesnecessaryforcookingthefoodinthecontainer.26.Plasticsofvariouskindshavebeenusedformakingbottles__________.A.since1982免费？宅在家学英语？怎么报名？B.sincethe1970sbutonlyforlargebottlesC.sincethe1960sbutnotforliquidswithgasinthemD.sincecompanieslikeCocaColafirsttriedthem27.WhyisICI'sPlasticsDivisioninterestedinpolyesterforbottles?A.Theotherthingstheymakearenotsellingwell.B.Glassmanufacturerscannotmakeenoughnewbottles.C.Theyhavefactorieswhichcouldbeadaptedtomakeit.D.Thepriceofoilkeepschanging.28.Whyaren'tallbottlesnowmadeofpolyester?A.Thepriceofoilandplastichasrisen.B.Itisnotsuitableforcontaininggassydrinks.C.Thepublicliketraditionalglassbottles.D.Shop-keepersdislikereusablebottles.29.ManufacturersthinkpolyesterbottlesarebetterthanglassbottlesbecausetheyA.arecheaperB.aremoresuitedtosmallsizesC.aremoreexcitingtolookatD.donotbreakeasily30.Plasticcontainersforholdingfoodinthesamewayascans______.A.havebeenusedformanyyearsB.areanideathatintereststheplasticscompaniesC.arepossible,butonlyforhotfoodD.arethefirstthingsbeingmadeinthenewfactories答案：26.C27.A28.C29.D30.B免费？宅在家学英语？怎么报名？“成千上万人疯狂下载。。。。。。更多价值连城的绝密英语学习资料，洛基内部秘密英语，技巧，策略请在网上申请报名”