小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com选择性必修第三册Unit1WishyouwerehereⅠ.阅读理解AAbunchofsmallbuthungrybugsmightholdthekeytosavingtheplanetthankstotheiramazingabilitytoeatpolystyrene(聚苯乙烯)—thematerialbehindplasticfoam(泡沫)．Theseso-called“superworms”couldonedayhelpridlandfillsofthiswasteandthusput_a_dent_inoneofthedriversofglobalwarming.ChrisRinkeandotherresearchersfromtheUniversityofQueenslandinAustraliaarestudyingthelarvaeofthedarklingbeetle(甲虫)—orzophobasmorio，itsscientificname.Theyfoundtheinsectscouldsurviveonpolystyrenealone，andin66.7%ofcases，finallytransformintobeetlesonthatrelativelypoordiet.Thesecretliesinthestomachofthese“superworms”，specificallytheirmicrobiomes(微生物群)．Thescientistsstudiedhowthelarvaebreakdownpilesofplasticwastehumansproduce.Theinsectsproduceenzymes(酶)astheydestroythewhitestuff.“Wecouldhavelargewormfarmswithmillionsofwormsandfeedthempolystyrene.Butwhatscalesarebetter，andwhatisalsocheaper，aretofocusontheenzymes，”Rinkesaid.Theultimategoal，hesays，wouldbetoreproducetheseenzymesinalab.“Polystyrenewaste，whichisaratherlow-valueproduct，goesthroughthisbiologicalbreakdownusingtheenzymes，acrucialfactor，andthenyoucanfeedittomicrobestothenproducesomethinglikebioplastic，whichisactuallyahigher-valueproduct.Sothenyouwouldbreakthecycleofwaste，”heexplained.“Iwasonavacationwithmywifeonatropicalislandsomewherethousandsofmilesawayfromanycontinentandthere’splastic.Soplasticisreallyeverywhere.It’sobviousthere’snoescape.ThusIdecidedtodosomeresearchonreducingthepollution，”Rinkerecalled.1．Whichhastheclosestmeaningtotheunderlinedphrase“putadentin”？A．Givebirthto.B．Digaholein.C．Gothrough.D．Cutdown.2．Whatcanweknowfromparagraph2?A．Larvaeonlyfeedonpolystyrene.B．Larvaeareanearlystageofthebeetles.C．Larvaeareakindofmicrobiomes.D．Larvaebreakdownhumanwastes.3．Whichiscriticalinthewholeprocessinbreakingthecycleofwaste?A．Plastic.B．Enzymes.C．Bioplastic.D．Polystyrene.4．WhatinspiredRinketodotheresearch?小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comA．Hiswife’sopinion.B．Hugefinancialprofit.C．Avacationonanisland.D．Thegovernment’srequest.BLiamGamerwasjust17yearsoldwhenhestartedoutonhisbigadventure—a32,000-kilometerbiketripfromAlaskatoArgentina.InearlyJanuary,2023，hefinallyfinishedhistrip,17monthsafterhestarted.Liam，anexperiencedcyclist，hadpreviouslyriddenfromLosAngelestoSanFrancisco.Hemadeshortvideosofthattrip，andsharedthemonthesocialmediaappTikTok，someofwhichbecamequitepopular.AfterreadingabookbyadventurerJedidiahJenkins，whobikedfromOregontoArgentina，LiamdecidedtocyclefromPrudhoeBay，Alaska，thenorthernmostpointintheUnitedStatesaccessiblebyroad，toUshuaia，Argentina，thesouthernmostpointofSouthAmerica.LiamsetoutonAugust1,2021.AtfirstLiam’sparentsweren’ttoohappyabouthimtakingsuchalongbiketripbyhimselfthoughitwouldn’ttakethatmuchmoney.Butashecarriedon，hisparentsbecamehisstrongestsupporters.Afteraboutthreemonths，LiamhadcrossedtheUS，goingsouthalongtheWestCoast.ByearlyDecember，hehadreachedMexico，fromwhichhisparentscametotheUSmanyyearsago.“Socrossingtheentirecountryonabikeandreconnectingwithmycultureandlearning...