2019年6月大學(xué)英語(yǔ)四級(jí)閱讀練習(xí)及答案(十三)Japanisgettingtoughaboutrecycling—andnotinthepaperandplastickindofway.Recently,thecountryrequiresthatallelectronicgoods—TVs,VCRs,stereos,andmore—berecycled.Butrecyclingwillnotbelefttoconsumers,instead,thedeviceswillbesenttotheoriginalmanufacturerforproperdisposal.Thenewlawposesafewchallengestomanufacturerswhoarenowrushingtosetupcollectionnetworksandperfectingtechniquestodisassembleandrecycleolderproducts.Withaneyetowardthefuture,theyarealsointegratingeasilyrecycledmaterialsintonewproducts.Plastics,amajorcomponentofmostelectronicproducts,poseaparticularobstaclebecausetheirqualitybecomesworseandworsewithage,losingstrengthandflexibilityevenifreprocessed.NECCorp.overcomesthisproblembycreatingaplasticssandwich,inwhichthefillingis100percentrecycledplasticandtheouterlayersamixtureof14percentrecycledmaterial.TheresultingplastichassufficientstrengthandtoughnessforuseasacasefordesktopPCs.Thecompany,incooperationwithplasticmakerSumitomoDow,hasalsodevelopedanewplastic,whichengineersclaimretainsitsmechanicalpropertiesthroughrepeatedrecycling.NECusestheplastic,whichisalsoflame-retardant(阻燃的)inbatterycasesfornotebookPCs.Meanwhile,MatsushitaElectric,makerofthePanasonicbrand,isavoidingplasticinfavorofmagnesium(鎂).Magnesium,saysthecompany,isidealforrecyclingbecauseitretainsitsoriginalstrengththroughrepeatedreprocessing.Matsushitahasdevelopedmoldingtechniquestoformmagnesiumintothecasefora21-inchTV.Unfortunately,themagnesiumcaseandenergy-savingfeaturesmaketheTVabouttwiceasexpensiveasanordinarymodel.Thecompanyhopes,however,thatincreaseduseofmagnesiumwilleventuallybringpricesdown.練習(xí)題：Choosecorrectanswerstothequestion：1.AccordingtothepresentregulationsofJapan,therecyclingofpaperandplasticwillbetheresponsibilityof______.A..thegovernmentB.themanufacturersC.theconsumersD.thesellers2.WhichofthefollowingisNOTthecharacterofplastics?A.Mostelectronicproductscontainplastics.B.Itretainsitsoriginalstrengththroughreprocessing.C.Recycledplasticscanbeintegratedintonewproducts.D.Plasticswillloseflexibilityafteracertainperiodoftime.3.Accordingtothepassage,theterm“plasticsandwich”refersto_____.A.akindofsandwich-shapedtoymadeofplasticsB.akindofplasticswithdifferentintegrationineachlayerC.akindofplasticswithmaximumstrengthandflexibilityD.akindofplasticsmadeof100%recycledmaterials4.Inthepassage,itisimpliedbutNOTstatedthat_____.A.disposingtheplasticsisoneofNECCorp’sbusinessesB.magnesiumisanidealmaterialforthecaseofTVC.21-inchTVwithmagnesiumcaseisn’tverypopularsofarD.magnesiummustbebetterthantheplastics5.Theauthorwritesthispassageinorderto_____.A.informB.instructC.predictD.persuade1.[C]推理判斷題。文章首段提到了電子產(chǎn)品的回收利用與紙張和塑料不同;本段最后一句中的but表明了以上不同點(diǎn)在于電子產(chǎn)品的回收不依靠消費(fèi)者，而依靠生產(chǎn)者。結(jié)合以上兩點(diǎn)，能夠推斷紙張和塑料的回收利用主要靠消費(fèi)者，所以選項(xiàng)C為準(zhǔn)確答案。2.[B]事實(shí)細(xì)節(jié)題。本題考査列舉處。第2段第3句列舉了塑料的特性，對(duì)照選項(xiàng)和該句，就能發(fā)現(xiàn)文中明確提到選項(xiàng)A、C、D,而選項(xiàng)B顯然與原文意思相反。3.[B]事實(shí)細(xì)節(jié)題。本題考査復(fù)合句的理解。第2段第4句是一個(gè)非限制性定語(yǔ)從句，是plasticssandwich的定義，選項(xiàng)B是對(duì)該定語(yǔ)從句所述亊實(shí)的總結(jié)，所以選項(xiàng)B準(zhǔn)確。選項(xiàng)A在文中沒(méi)有提及;選項(xiàng)C中的maximum是對(duì)原文sufficient的曲解;選項(xiàng)D中的100%這個(gè)數(shù)據(jù)不準(zhǔn)確，文中只提到plasticssandwich里層是100%的再生塑料。4.[C]推理判斷題。本題考査轉(zhuǎn)折處。最后一段倒數(shù)第2句中的Unfortunately一詞指出了用鎂作機(jī)殼的電視機(jī)很貴，從而暗示它們并不受消費(fèi)者歡迎，所以