2024-2025学年高中英语Unit1CulturalheritageDiscoveringUsefulStructures重点练同步作业新人教版必修2

1.2DiscoveringUsefulStructures1.2DiscoveringUsefulStructuresUNIT1重点练阅读选择Notonlydoestheuseofplasticwaterbottleshurtyourwallet,italsoincreasespollutionandwastesenergyandwater.Only23%ofallplasticinAmericaendsupinarecyclingbin,meaningover$1billionworthofplasticistreatedasrubbishayear.Recently,SkippingRocksLabhasinventedakindofwaterbottlecalledOoho.Itisaconvenient,clearwaterbottlethatcaneitherbedrunkoreaten.Todrinkit,youcaneitherpeeloffthemembrane(薄膜）ortearaholeinthemembranewithyourteethtopourthewaterintoyourmouth.Toeatit,yousimplyputthewholebottleinyourmouth.OneproblemthescientistshaverunintoishowtoshiplotsofOohobubbleswithoutarrivingwithaverywettruck.However,theyhaveattemptedtopackageunitsofindividualbubblestogetherinsidealargerandthickermembrane.Itistargetinglargeoutdooreventssuchasmarathons,musicfestivals,andsportingevents,wheretonsofplasticbottlesareused,andfrequentlyleftbehindaslitter.Andtoomuchplasticissuretodoharmtotheenvironment,whichcouldaccountfortheirpurposeofsuchanewinvention.TheteamhasbeenworkingforthepasttwoyearstodevelopthetechnologyandmaterialsneededtoproduceOoho;theyhaverecentlyappliedforapatentfortheirnewadvancement.Thepriceforanindividualbubbleoraunitofbubbleshasnotbeensetyet,buttheycostabouttwocentstocreateaunit,whichischeaperthanplasticbottles.IthasappearedateventsinLondon,SanFrancisco,Boston,atconferences,festivals,andsoon.Oohoiscatchingmanypeople'sattentionandhasraiseover$1millionandgained1,000investorsinonlythreedays.Itismostlybeingsoldateventsatthemomenttokeepthconsumer'sinterestwhentheproductionmachineisrunning.Itquicklymakingarise,sokeepaneyeoutthisyearforthesbottlesofthefuture.1.HowismostplasticdealtwithinAmerica?A.It'ssold.B.It'srecycled.C.It'sburied.D.It'swasted.2.WhydidtheteaminventOoho?A.Tomakeaprofitforacompany.B.Toprotecttheenvironment.C.Tomakepeopleeatastheydrink.D.Toreducethecostoftheplasticbottle.3.WhatcanweinferaboutOohofromthetext?A.Itiseasyandsafetoshipitinlargeamounts.B.Ithasbecomepopularsinceitbegantobesold.C.Itmightbesoldatalowerpricethanplasticbottles.D.Itcosttheteamalotofmoneytodevelopthetechnology.4.Whatdoestheauthorreallywanttosayinthelastparagraph?A.Oohoistobeasuccessinthefuture.B.Oohoisbeingsupportedbysmartpeople.C.Oohoistakingtheplaceofplasticbottlesnow.D.Oohoisbeingproducedtoattractmoreinvestors.II.完形填空Thereisatreefullofripeplums(李子）withbrancheshangingoverourhouse.EverysinglemorningwhenIseeplumsontheground,Iam5_____."Wow,plums!"Isaytomyselfandlookupatthe6______,andsureenoughthereareplumsthere.Iimaginethetreesaying,"IfIputtheplumhere,7_________whereyouwalk,maybeyouwillseeit."Istepovertheplumonthewayoutandseeitonmywayback,thinkinghowoftenI8_______itandstepoverit.EverytimeI9______andseeaplum,Ifeelasthoughsomeonehasgivenmea10________."Forme?"IsaidtotheplumtreeonemorningasI11______someplums."Youcouldhave."Maybewe'resupposedtoofferourgiftstotheworldwithgenerosity(慷慨）andlove.ItseemsthatIhaveahardtime12________thatfruitfallsfreelyfromthesky.Isthetree13______withmeonpurpose?Istherepartofmethatdoesn'tfeelworthyofreceiving14_______plumsfromthesky?Islife15_______tohavemomentsthataresosweetandeasy?Sometimesitfeelsasthoughthetreewere16_______tomeandsheweresaying,"Foryou.Foryou.Foryou."WhenIlistentoher,Ifeelthe17_______ofheroffering,andthisiswhenmyheartbreaks.Despitethe18______ofaday,therecanbetender,touchingmomentsinnaturethatfeeltomelikethere'saforceouttherethat19______merefreshed(激昂的）.5.A.upset B.surprised C.anxious D.calm6.A.tree B.table C.grass D.ground7.A.exactly B.hardly C.gradually D.certainly8.A.wear B.enjoy C.miss D.trust9.A.judge B.decide C.stop D.lose10.A.trouble B.trick C.fact D.gift11.A.forced B.refused C.bought D.gathered12.A.finding B.accepting C.calling D.cooking13.A.pointing B.agreeing C.discussing D.sharing14.A.bad B.smelly C.dirty D.free15.A.frightened B.allowed C.locked D.shown16.A.arguing B.walking C.referring D.talking17.A.generosity B.peace C.temper D.knowled18.A.attention B.choice C.pleasure D.difficulty19.A.keeps B.hopes C.needs D.causesIII.语法填空IclimbedKilimanjarowithLavaExpeditions(探险队）duringtherainyseason.I20____(fly)toNairobiinKenyaandspentseveraldaysthere.AtmyhotelinNairobiImettherestofthegroupwithwhomIwouldspendthenextweek.Wealltravelledonthebustogetherfor21______8-hourjourneyintoTanzaniaandthenArusha,aquiettown.AfterwearrivedatourhotelinArusha,wehaddinnerandafewdrinks.Thenwe22______(introduce)tomoremembersincludingTaddeusMinja,themainguide,23_______wasveryexperienced-climbingKilimanjarorunsthroughthegenerationsofhisfamily.ThenextdaytheLavaExpeditionsmemberscheckedifwehadthecorrectandenoughclothingforourexpeditiononKilimanjaro.Onlyonepersonneededtobring24_______(many)clothes.Afterthatwesetoff,25______(walk)intherainthroughthebeautyoftherainforest,allthewaytothefirstcamp.Iwashappythenextfewdaysastheviewwasso26______(wonder)andchangedeveryday.IsufferedalittleduringthetripandIfeltsotired.ButthemembersofLavaExpeditionsprovidedmewithlotsofencouragementwhichwasoneofthebest27______(memory).FinallywereachedthetopofKilimanjaroinbrightblueskies.IfeltexcitedaboutclimbingKilimanjaroandthefeelingdidn'tchangeduringmytrip.ThefellowmembersoLavaExpeditionslooked28______mesowellthatIwas29_______(deep)thankfulfortheirhelp.Ⅰ、【答案】1.D2.B3.C4.A【分析】语篇导读本文是一篇说明文。由于塑料瓶的运用不但奢侈金钱，还造成环境污染，SkippingRocksLab独创了一种可以食用的包装材料Ooho。本文介绍了Ooho的食用方法，运输方法以及制作成本，并展望了其市场前景。1.细微环节理解题。依据第一段其次句可知，在美国只有23%的塑料最终回到回收站，这意味着价值超过10亿美元的塑料被视为垃圾。据此可知，在美国，大部分塑料被当成垃圾处理了，故D项正确。2.细微环节理解题。依据其次段尾句可知，由于塑料瓶的运用污染了环境，故SkippingRocksLab独创了一种可以食用的包装材料Ooho,故B项正确。3.推理推断题。依据第三段其次句可知，该产品的制造成本比塑料瓶低；据此可推想，该产品的售价也可能比塑料瓶低，故C项正确。4.推理推断题。依据尾段第一句可知，Ooho吸引了许多人的留意，在三天时间内就得到了1000位投资者的关注，筹集到100多万美元；再结合尾段最终一句可推知，作者最终想要表达在将来Ooho肯定能获得胜利，故A项正确。Ⅱ、【答案】5.B6.A7.A8.C9.C10.D11.D12.B13.D14.D15.B16.D17.A18.D19.A【分析】文章叙述了作者因自家房前的一棵李子树所产生的一些关于人生的思索。5.依据后面作者对李子发出的惊羡“Wow,plums!”可知，作者感到惊异，故选B项。6.依据前面的lookup可知作者是抬头看，并且依据下文中的thereareplumsthere可知，作者看到地上的李子，感叹一句，然后抬头看看李子树。故选A项。7.依据后面的maybeyouwillseeit可知，李子就“恰好”在作者路过的地方。故选A项。8.依据stepoverit可知，作者有许多次都“未留意到”李子。故选C项。9.依据seeaplum可知，此处是指作者停下来看李子。故选C项。10.依据下一段中的Maybewe'resupposedtoofferourgiftsto...可知，作者看到李子就感觉仿佛有人给了他“礼物”一样，所以要用gift。故选D项。11.依据“Forme?”及“Youcouldhave.”可知，此处是指作者“采集”了一些李子。gather意为“采集（植物、水果等）”。故选D项。12.依据后文中的Istherepartofmethatdoesn'tfeelworthyofreceiving可知，作者觉得自己很难“接受”免费的李子。故选B项。13.作者从树下得到李子，因此怀疑是不是李子树出于什么目的与他“共享”果实。故选D项。14.作者得到李子树的馈赠，因此作者说自己得到的是“免费的”李子。故选D项。由本段第一句也可知答案。15.依据上句的内容可知，此处作者在反思生活会被“允许”有如此甜蜜的时刻吗，所以要用allowed。故选B项。16.依据后面的sheweresaying可知，作者感觉李子树好像在跟他“说话”，故选D项。17.依据李子树对作者说的“Foryou