人教版高中英语必修三习题Unit2Section3作业

Unit1SectionⅢⅠ.单词拼写1．Itisalsowiseofchildrentoconsult(请教)theirparentswhenmakingdecisions.2．Ahealthydietisveryimportantforpeople.Itcontainssomefat，somefibre(纤维)，alittlesaltandsoon.3．Drinksomethinghotafteryoueat，andyourstomachwilldigest(消化)yourfoodbetter.4．Thecarrot(胡萝卜)isahealthyvegetableandalsorabbits'favourite.5．Hedidn'tshoutorswear，butjustglared(怒视)silentlyatme.6．Abird'sbreast(胸部)isthefrontpartofitsbody.7．“IwishIdidn'thavesomuchtodo.”shesighed(叹息)．8．Itissaidthatyogaisofgreatbenefit(好处)tohumanhealth.9．Manypeoplelikethefilmbecauseitbines(结合)educationwithrecreation.10．Inmyopinion，youhadbettersetalimit(限制)totheexpenseofyourtrip.Ⅱ.语法填空1．—TurnofftheTV，Jack.Shouldnotyoubedoingyourhomeworknow?—Mum，justtenmoreminutes，please.解析：由句意知，妈妈是在责备杰克“难道你现在不应该在做作业吗？”，故应用否定式疑问句。2．Beingadisabledman，hehasdifficultyearning(earn)hisliving.解析：考查固定搭配。havedifficulty(in)doingsth做某事有困难，earnone'sliving谋生。3．Notearningenoughmoneythismonth，Ihadtocutdownmyexpenses.解析：句意：由于这个月没有挣够钱，我不得不减少开支。cutdown减少。4．Alargesumofmoneyhasbeenraisedforthebenefitofthepoorly­educatedchildreninthemountainousareas.解析：句意：为帮助山区那些受教育程度很低的孩子，人们募捐了大量的钱。forthebenefitofsb为了某人的利益，为帮助某人。5．Thoughwearenotwalkingslowly，Istillthinkthatitwon'tbelongbeforehe_catches(catch)upwithus.解析：句意：尽管我们走得挺快的，但我认为他不久就会赶上我们的。Itwon'tbelongbefore...表示“用不了多久就……”，为常用句型。6．Theproblemiswhatweshoulddowhenthereisnomarkedforceto_limit(limit)thepollutionthatcausesclimatechange.解析：句意：问题是，当没有明显的力量来限制引起气候变化的那些污染的时候，我们该怎么做呢？本空提示动词用不定式作定语修饰名词force表示“……的力量”。7．Hehad_consulted(consult)anumberofbooksaboutthesubjectinthelibrarybeforehegavehisspeech.解析：考查时态。8．Sincetheyboughtthehouse，theSmithshavebeenindebttheseyears.解析：由语境可知此处用beindebt。9．Whyareyouspyingonmeallthetime?Whatdoyouwanttospyout?解析：考查固定短语。spyon暗中监视，窥探；spyout查明，弄清楚。句意：你为什么一直暗中监视我？你想查明什么？10．Toourjoy，theoperationisasuccessandthepatientisnowoutofdanger.解析：句意：令我们高兴的是，手术成功了并且病人现在脱离了危险。asuccess“一件成功的事”，在这里success为抽象名词具体化；outofdanger为固定搭配，意思为“脱离危险”。Ⅲ.阅读理解(2018·天津，C)There'sanewfrontierin3Dprintingthat'sbeginningtoeintofocus：food.Recentdevelopmenthasmadepossiblemachinesthatprint，cook，andservefoodsonamassscale.Andtheindustryisn'tstoppingthere.FoodproductionWitha3Dprinter，acookcanprintplicatedchocolatesculpturesandbeautifulpiecesfordecorationonaweddingcake.Noteverybodycandothat—ittakesyearsofexperience，butaprintermakesiteasy.ArestaurantinSpainusesaFoodinito“re­createformsandpieces”offoodthatare“exactlythesame，”freeingcookstopleteothertasks.Inanotherrestaurant，allofthedishesanddessertsitservesare3D­printed，ratherthanfarmtotable.Sustainability(可持续性)Theglobalpopulationisexpectedtogrowto9.6billionby2050，andsomeanalystsestimatethatfoodproductionwillneedtoberaisedby50percenttomaintaincurrentlevels.Sustainabilityisbeinganecessity.3Dfoodprintingcouldprobablycontributetothesolution.Someexpertsbelieveprinterscouldusehydrocolloids(水解胶体)fromplentifulrenewableslikealgae(藻类)andgrasstoreplacethefamiliaringredients(烹饪原料).3Dprintingcanreducefueluseandemissions.Grocerystoresofthefuturemightstock“food”thatlastsyearsonend，freeingupshelfspaceandreducingtransportationandstoragerequire­ments.NutritionFuture3Dfoodprinterscouldmakeprocessedfoodhealthier.HodLipson，aprofessoratColumbiaUniversity，said，“Foodprintingcouldallowconsumerstoprintfoodwithcustomizednutritionalcontent，likevitamins.Soinsteadofeatingapieceofyesterday'sbreadfromthesupermarket，you'deatsomethingbakedjustforyouondemand.”ChallengesDespiterecentadvancementsin3Dfoodprinting，theindustryhasmanychallengestoovere.Currently，mostingredientsmustbechangedtoapaste(糊状物)beforeaprintercanusethem，andtheprintingprocessisquitetime­consuming，becauseingredientsinteractwitheachotherinveryplexways.Ontopofthat，mostofthe3Dfoodprintersnowarerestrictedtodryingredients，becausemeatandmilkproductsmayeasilygobad.Someexpertsareskepticalabout3Dfoodprinters，believingtheyarebettersuitedforfastfoodrestaurantsthanhomesandhigh­endrestaurants.文章大意：本文是一篇科普文章。它主要介绍了3D食物打印机的优点和缺点。1．Whatbenefitdoes3Dprintingbringtofoodproduction？BA．Ithelpscookstocreatenewdishes.B．Itsavestimeandeffortincooking.C．Itimprovesthecookingconditions.D．Itcontributestorestaurantdecorations.解析：推理判断题。根据Foodproduction标题下的第二句“...ittakesyearsofexperience，butaprintermakesiteasy.”知利用3D打印机打印食物省时省力，故答案为B。2．Whatcanwelearnabout3DfoodprintingfromParagraph3？DA．Itsolvesfoodshortageseasily.B．Itquickensthetransportationoffood.C．Itneedsnospaceforthestorageoffood.D．Itusesrenewablematerialsassourcesoffood.解析：推理判断题。根据第三段中的renewables知，3D打印机用的是可再生材料，故D项正确。3．AccordingtoParagraph4,3D­printedfoodB.A．ismoreavailabletoconsumersB．canmeetindividualnutritionalneedsC．ismoretastythanfoodinsupermarketsD．cankeepallthenutritioninrawmaterials解析：推理判断题。根据该段中的“Foodprintingcouldallowconsumerstoprintfoodwithcustomizednutritionalcontent，likevitamins.”知，3D打印机打印食物可以满足个人的营养需求，故答案为B。4．Whatisthemainfactorthatprevents3Dfoodprintingfromspreadingwidely？CA．Theprintingprocessisplicated.B．3Dfoodprintersaretooexpensive.C．Foodmaterialshavetobedry.D．Someexpertsdoubt3Dfoodprinting.解析：细节理解题。根据Challenges下的ontopofthat，mostofthe3Dfoodprintersnowarerestrictedtodryingredients知选项C正确。A项“打印过程很复杂”，B项“3D食物打印机太贵”，D项“有些专家质疑3D食物打印”，均为无中生有。5．Whatcouldbethebesttitleofthepassage？AA．3DFoodPrinting：DeliciousNewTechnologyB．ANewWaytoImprove3DFoodPrintingC．TheChallengesfor3DFoodProductionD．3DFoodPrinting：FromFarmtoTable解析：标题归纳题。本文介绍了一种美味的新科技——3D食物打印，故A项适合作文章标题。Ⅳ.完形填空阅读下面的短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。Childrenareeatingmoremeatandcandybutlessvegetablessuchasbeans，cabbagesandeggplants.1.Dtheytakeintoolittlefiberbuttoomuchfatandsugar2.Agivethemtoomanycalories.Nowparentshaveonlyoneortwochildren.Theyhavethrownawaythebalanced3.B，justfeedingthemon“qualityfood”．Parentsthinkitisshowingtheirloveandthatit4.Dthemalot.Theyfeelbadiftheirchildrenlook5.C.6.B，suchashamburgers，pizzaandFrenchfries，hasbeen7.Aformanyyears.Asitisquickandeasy8.Bchildrentoeatandalsoittastesgood，manychildrenlikeit.Junkfoodis9.Coffat，salt，sugarandmanyfoodadditives(添加剂)．Eatingtoomuchjunkfoodmakeschildrenoverweightanddoesthemgreat10.D.Thankstomoderntechnology，agrowingarmyofchildrenspendmuchtimeonvideogamesthoughthey11.Aspenditonoutdoorsports.12.Baboutthephysicalconditionofoverweightchildren，thereisaclearrelationshipbetweenbeingfatandlackof13.Cplay.Childrengetfatbecausetheygive14.Bmoving，andasaresult，theymovelessandlessbecausethey're15.Aweight.Inthisway，manychildrenlookheavybut16.Btheyareinpoorhealth.17.Cistimeforchildrentochangetheirdietandthewayoflife.18.Athejunkfoodandmeatandbinethedailylife19.Bsomeoutdoorsports.Itwillhelploseweightandwinhealth20.C.文章大意：孩子们不容乐观的健康状况向我们敲醒了警钟：远离“垃圾”食品。1．A.Because B．ThoughC．Therefore D．So解析：上下文之间为因果关系。若选therefore后面需要加逗号。2．A.that B．whichC．they D．but解析：定语从句先行词是物，且有much修饰，故用关系代词that。3．A.food B．dietC．nutrition D．meal解析：abalanceddiet是固定结构，“均衡的饮食”。4．A.digests B．gainsC．helps D．benefits解析：benefit此处用作动词，“有益于”。5．A.fat B．heavyC．thin D．sorry解析：家长认为给孩子高质量的食物就是对他们好，就能表达爱，那么让父母感到难过的当然是看到孩子“瘦”了。6．Amonfood B．JunkfoodC．Rawfood D．Friedfood解析：根据后面的例子可知此处表示“垃圾食品”。7．A.popular B．curiousC．energetic D．worldwide解析：根据上下文可知此处表示“流行”。8．A.to B．forC．from D．by解析：Itis＋adj.＋forsbtodosth为固定句型。9．A.filled B．fillingC．full D．fill解析：befullof为固定词组，“充满”。10．A.good B．strengthC．limit D．harm解析：既然是垃圾食品，当然对人有害。11．A.oughtto B．mayC．have D．will解析：这段时间“本应该”花在户外运动上。12．A.Thinking B．TalkingC．Telling D．Speaking解析：此处应为“谈到”。13．A.interesting B．valuableC．outdoor D．indoor解析：从上一段及常识可知。14．A.in B．upC．off D．out解析：根据句意可知此处应为“放弃”。15．A.puttingon B．puttinginC．losing D．making解析：putonweight为固定词组，意为“增肥”。16．A.moreorless B．infactC．soonerorlater D．byaccident解析：but前后表示对比关系。17．A.That B．ThisC．It D．What解析：Itistimeforsbtodosth为固定句型，表示“是某人该干什么的时候了”。18．A.Cutdownon B．CutupC．Makefulluseof D．Takein解析：cutdownon“减少”；cutup“切碎”；makefulluseof“充分利用”；takein“接受、理解、欺骗”。19．A.from B．withC．in D．at解析：bine...with...是固定词组，“与……结合”。20．A.up B．downC．back D．over解析：此处表示“赢回”健康。Ⅴ.短文改错假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌的以下作文。文中共有10处错误，每句中最多有两处。错误涉及单词的增加、删除或修改。增加：在缺词处加一个漏词符号(∧)，并在此符号下面写出该加的词。删除：把多余的词用斜线(\)划掉。修改：在错词下面划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2．只允许修改10处，多者(从第11处起)不计分。Mrs.Smithwasunabletofallsleepingatnightandwasverytiredduringthedaytodoanything，eventhesimplethingsthatsheusedtoenjoydo.Shehadheadachesmoreoften，itpreventedherfromreadingorwatchedTV.Themoreshethoughtaboutherconditions，themoreworseshefelt.Atlastshewenttosee