课时作业16Unit6Earthfirst含解析必修第二册

观千剑而后识器,操千曲而后晓声泰戈尔曾说过:“只有经历过地狱般的磨练，才能炼出创造天堂的力量；只有流过血的手指才能弹奏出世间的绝唱。”Unit6EarthfirstⅠ．单词拼写1．Hethrewastonetoscare(吓唬)thedogaway.2．Pollutionispushingthisanimaltotheveryedgeofextinction(灭绝)．3．Hedived(潜水)intothewaterandrescuedthedrowningboy.4．Fortunately(幸运地是)，thefirewasdiscoveredsoonafterithadstarted.5．Hewroteaseriesofarticles，hopingtochangepeople'sattitude(态度)towardsthedisabled.6．Thevisitwastargeted(把……作为目标)todeveloprelationsbetweenthetwocountries.7．Wewantpeopletodiscoverthatsharks(鲨鱼)areamazinganimalsthatneedourprotection.Ⅱ.阅读理解AGoldenliontamarins(金头狮狨)arepartofthemonkeyfamily.ThesesmallcreaturesliveinthickforestsinBrazil，SouthAmerica.Theytravelinsmallgroupsinsearcho，theforestsinwhichtheylivearebeingcutdownforfarmingandtheyarealsocaughtandsoldaspets.Thereareonlyaboutonehundredtamarinsleft.TheEuropeanotter(水獭)livesallaroundEurope.Ithassoft，brownfuronitsbody.Itisalmost75cmlong.Itstailishalfaslongasitsbody.Itsheadisflatandbroad.Ithassmallandroundears.Itcancloseitsearsandnostrils(鼻孔)whenitdivesinthewater.Ithasshort，stronglegswithwebbedfeet.LossofhabitatisathreattotheEuropeanotter.Itisalsohuntedforitsfur.Orangutan(猩猩)isalong­armed，red­furredanimalthatlivesinthewarm，wetforestsontheislandsofBorneoandSumatrainSoutheastAsia.Itlookslikeamaninmanyways.Soitisnamedorangutan，whichmeans“manofthewoods”．Orangutansareindangeronlybecauseofpeople.Peoplearecuttingdowntheforestswheretheyliveandhuntingorangutans.Thehunterskillthemothersandsellthebabiestozoos.Butmostbabiesdiebecausethehuntersdon'tknowhowtotakecareofthem.heyeatonlyonekindoffood—bambooshoots(竹笋)．Buttherearenotalwaysenoughbambooplantstobefound.Everyhundredyearsthebambooplantsproduceseedsanddie.Itthentakesseveralyearsfortheseedstogrow.Bythetimetheplantsarebigenoughtoeat，manygiantpandashavealreadydiedofhunger.【语篇解读】本文向我们介绍了世界上四种濒临灭绝的野生动物。1．Whatdowelearnaboutgoldenliontamarins?A．Theyusuallysearchforfoodalone.B．Malesseldomlookaftertheyoung.C．Theyarehardlyseenwhentheyareasleep.D．Theycanbeeasilyseenbecausetheyarebig.C[推理判断题。根据第一段的“Theyhideandsleepinthehollowofatree.”可推断金头狮狨睡觉的时候不容易被发现。]2．Europeanottersarehuntedmainlybecause________．A．peoplelikekeepingthemaspetsB．hunterswanttheirmeatC．zooswanttokeepthemD．theyhavevaluablefurD[细节理解题。根据第二段的“Itisalsohuntedforitsfur.”可知欧洲水獭被猎人捕杀是因为它们的皮毛很值钱。]3．WhatisthebiggestthreattogiantpandasinChina?A．Theyhaveonlyonechoiceoffood.B．Huntersdon'tknowhowtolookafterthebabies.C．Theycannotmovefasttolookforfood.D．Theforestswheretheylivearebeingcutdown.A[细节理解题。根据第四段的“Theyeatonlyonekindoffood—bambooshoots.Buttherearenotalwaysenoughbambooplantstobefound.”可知，对大熊猫的威胁主要是它们只吃一种食物，没有别的选择。]4．Thefourparagraphsabovearemostprobablytakenfromanarticleabout________．A．thingswecandotoprotectwildanimalsB．theeffectofhumanactivitiesonnatureC．thelivinghabitsofsomewildanimalsD．endangeredanimalsinthewildD[主旨大意题。通读全文可知，这四种动物都是濒临灭绝的动物，故可推断以上几段来源于一篇关于濒临灭绝的动物的文章。]BTheworldcanbeascaryplacewhenyou'reyoung.Itcanbeevenscarierwhenyou'reayounglittlebluepenguin(企鹅)，thetiniestofthepenguinspecies.Luckily，therearesomehumanswillingtohelp.TheysteppedintoprotectBilly，abluepenguinthatappearedonabeachinChristchurch，NewZealand.SpottedonNovember29attheslipwayatMoncksBay，nearSumner，inChristchurch，thelittlepenguinimmediatelyattractedasmallcrowd.JeffMeinSmithsawthecrowdwhilehewasbicyclingthatafternoonhenhereturnedtothescene，hefoundthatthepenguinhadreceivedalittlesign，onethatread，“Hi，I'mwaitingformymumtocomebac，Billythebabybluepenguin.”Billydidn'tmoveawayfromthesign.TheDOCarrivedlaterthatafternoontopickupBilly，thoughtheyweresurprisedtoseeitonthebeach.“It'sunusualforabluepenguintobeoutintheopenonthebeachduringtheday，”AnitaSpencer，aDOCseniorranger，toldStuff.BillywastakentotheChristchurchPenguinRehabilitationCenterafterbeingretrievedfromthebeach.Volunteersbelievethebirdmayactuallybeafemalepenguin，andisaround2monthsold.Thechickweighsamere550grams，lessthanastandardbasketball.Abluepenguinshouldweigharound900gramsatthisage.Mostlittlepenguinsgrowuptoweigh1kilogram.Thecenterwillhelpthelittlepenguingainsomeweightbyfeedingitfishjuice，beforeit'ssetfreeintotheocean.【语篇解读】本文主要讲述了一只小蓝企鹅在人们的帮助下最终得救的故事。5．Whycantheworldbefrighteningtoayoungpenguin?A．Itisararespecies.B．Itfacespotentialdanger.C．Itissurroundedbythecrowd.D．Itisthreatenedbydogs.B[推理判断题。根据第二段“Pleaseleavemealone.Keepyourdogaway.”可知，当时有人在那只小蓝企鹅旁边竖立了一个牌子警示人们不要打扰它，不要让狗靠近它。由此可推知，对于那只小蓝企鹅来讲，这个世界是可怕的，因为它面临着一些潜在的危险。故B项正确。]6．ItcanbeinferredfromthetextthatBilly________．A．isafemalepenguinB．hasexpresseditsthanksC．weighslessforitsageD．preferslivingonthebeachC[推理判断题。根据第四段第三、四句可知，这只小蓝企鹅体重只有550克，而处于它这个年龄段的小蓝企鹅的体重应达到900克左右。由此可推知，这只小蓝企鹅的体重低于它这个年龄段的小蓝企鹅的体重。故C项正确。]7．Whichofthefollowingcanreplacetheunderlinedword“retrieved”inParagraph4?A．ignoredB．curedC．givenaway D．broughtbackD[词义猜测题。根据第四段第一句可知，这只小蓝企鹅是从沙滩上被带到克赖斯特彻奇的一个企鹅康复中心的。由此可推知，画线词与broughtback“带回”意思相近。故D项正确。]8．WhatwillhappentoBillyinthecenter?A．ItwillbereportedtoStuff.B．Itwillbevisitedbythelocals.C．Itwillbetakengoodcareof.D．Itwillbefedwithfruitjuice.C[推理判断题。根据最后一段内容可知，在这只小蓝企鹅被放回海洋之前，康复中心会帮助它增加一些体重。由此可推知，在那个企鹅康复中心里，这只小蓝企鹅会得到很好的照顾。故C项正确。]Ⅲ.阅读七选五GoinggreenLizzyGreene'sofficialwebsitesaysitall，“Actress，Artist&AnimalLover.”At13，Lizzyhasperformedinchildren'stheater，andsheisatrainedgymnast.SheismostknownforherroleasDawnHarperonNickelodeon'sNicky，Ricky，Dicky&Dawn.NowLizzyistakingonanotherrole—asavoiceforanimals.1Shegrewupwithdogs，andherfamily'spetisa110­poundGermanshepherd(牧羊犬)namedJett.Ontheshow，Lizzysharesthescreenwithalovable20­pounddognamedSquishyPaws.Insecondgrade，shestationedherselfoutsideherschooltoaskfordonations(捐款)toalocalanimalshelter.2NowLizzyisalsospeakingoutforfarmanimals.She'srecentlyjoinedTheHumaneSocietyoftheUnitedStates'MeatlessMondaymovement.SheencouragesyoungpeopletotakeabreakfromeatingmeatonMondays.3Andshe'sencouragingtheunder­20crowdtotakepart.Lizzyknowsthatraisinganimalsformeatcausespollution，usesalotofnaturalresourceslikewaterandalsoharmsanimals.4Choosingmeat­freemealsonedayaweekisalsoagreatwaytofeelhealthy.ManyK­12schools，universitiesandhospitalsnationwidehavestartedMeatlessMondayprograms.“It'ssoeasytoloveanimals，”Lizzysays.5Forsomekid­and­animal­friendlymeatlessrecipes(食谱)，visit/kindnews.A．It'seasytoeatanimal­friendlyfoods，too.B．Lizzyhasonlyjustbegunherbrightcareer.C．AnimalshavealwaysbeenabigpartofLizzy'slife.D．AndLizzysaysshehasalwayswantedtohelpanimals.E．Cuttingmeatfromourdietonceaweekhelpstheenvironmentandanimals.F．Kids'breakfastcanbeassimpleastryingavegetableburgerinsteadofahamburger.G．Afterthemovement，Lizzysaysshewantstosaveafewmorelivesandforcehumanstoeathealthier.【语篇解读】本文是一篇记叙文。演员LizzyGreene通过参加“周一无肉日”活动，用自己的实际行动号召人们一起保护动物及环境。1．C[根据下文中的“Shegrewupwithdogs，andherfamily'spetisa110­poundGermanshepherdnamedJett.Ontheshow，Lizzysharesthescreenwithalovable20­pounddognamedSquishyPaws.”可知，Lizzy从小就一直养狗，在她出演的电视剧中也养了一条狗，由此可知，动物是她生活的一部分。C项是