高中英语必修5讲义Module6Section2

Ⅰ.单词拼写1.Alicetriedtoescapefromtheman,butherstruggles(挣扎)wereuseless.2．Johnwrotearticlesforapublishinghouse,andmeanwhile(同时)workedasareporteratalocaltelevisionstation.3．Inanideal(理想的)worldtherewouldbenoneedforapoliceforce.4．Thegrasslandisanimportanthabitat(栖息地)formanywildflowers.5．Manyreserves(保护区)forprotectingrareanimalshavebeenbuiltrecently.6．Afterthetrafficaccidenthappened,thepoliceweresoononthespot(现场)．7．Thehuntersskinned(剥皮)thedeertheyhadkilled.8．Theminersthereworkedinterribleconditions(环境)．9．Thegovernmenthasconfiscated(没收)thelandwheremanypeopleusedtolive.Ⅱ.根据汉语意思及词性写出下面单词1．endangervt.使……处于险境；危及→endangeredadj.濒危的→dangern．危险→dangerousadj.危险的2．extinctadj.灭绝的；绝种的→extinctionn．灭绝3．dealern．商人→dealn．&v．交易；买卖4．protectvt.保护→protectionn．保护5．worthadj.值……钱→worthlessadj.无价值的，不值钱的6．poachern．盗猎者；偷猎者→poachv．偷猎[巧记单词]词根词形变化构词点拨dealdealer动词加er构成名词dangerendangeren加名词构成动词Ⅲ.根据汉语意思补全短语1．indanger在危险中2．thanksto幸亏；多亏3．accordingto根据4．putdown放下；写下5．haveanadvantage有优势6．giveone'slifeto为……献出生命7．atatime一次8．onthespot在现场9．eintofashion成为时尚；开始流行起来10．gettoughwith对……采取强硬措施1.[教材原句]Althoughsurprised,thepoachershadanadvantage—thereweremoreofthem.偷猎者虽然感到惊慌，但他们占着人多的优势。[句型点拨]状语从句的省略。[佳句赏析]厨房虽小，但设计巧妙。Althoughsmall,thekitcheniswelldesigned.2．[教材原句]Oftenworkingatnight,thepoachersshootwholeherdsofantelopesatatime,leavingonlythebabies,whosewoolisnotworthsomuch.那些偷猎者常常在夜里出动，一次就捕杀掉整群的藏羚羊，只留下那些毛不怎么值钱的幼崽。[句型点拨]现在分词短语作结果状语。[佳句赏析]偷猎者杀死了大象，拿走了象牙，把它的尸体留在了丛林里。Thepoacherskilledtheelephantandtookawaythetusks,leavingitsbodyinthejungle.3．[教材原句]Buttodaythegovernmentseemstobewinningthebattle.但如今，政府似乎正在赢得这场战争。[句型点拨]seemtodosth.“好像做某事”。[佳句赏析]随着科学技术的快速发展，我们似乎正在失去一些传统的东西。Withtherapiddevelopmentofscienceandtechnology,weseemtobelosingsometraditionalthings.1.ButtheSiberiantigerisnottheonlyendangeredspecies.(P51)可是西伯利亚虎并不是唯一的濒危动物。★endangervt.使……处于险境；危及①Theairpollutioninthecityisbadlyendangeringthehealthoftheresidents.城市里的空气污染正严重危及着居民的健康。(1)dangern．危险indanger处于危险之中outofdanger脱离了危险indangerof有……的危险(2)dangerousadj.危险的endangeredadj.有灭绝危险的；濒临灭绝的②Youarein_danger_ofcatchingacoldifyoudon'ttakeanymedicine.如果你不吃药的话，就有感冒的危险。③Theoperationisasuccessandnowthepatientisout_of_danger．手术成功了，病人现在已脱离危险。2.Thequestionis:Whatcanwedotohelpthemintheirstruggleforsurvival？(P51)问题是：在它们为了生存的斗争中，我们能做些什么来帮助它们呢？★strugglen．&v．奋斗；挣扎；斗争①Hecameoffverywellinthestruggle.在这场竞争中，他非常成功。strugglefor...为……而斗争strugglewith...和……一起奋斗；与……作斗争struggleagainst...与……作斗争struggletodosth.努力做某事struggletoone'sfeet挣扎着站起来②Shestruggled_fortheindependenceofhercountryallherlife.她为自己祖国的独立而奋斗终生。③Shestruggled_to_findhertruevocation.她苦苦寻找真正适合自己的职业。3.anareaoflandwhereanimalsareprotected(P51)一个动物受到保护的地方★protectvt.保护①Thesebravesoldierswillprotectourcountry.这些勇敢的士兵会保卫我们的国家的。(1)protect...against/from...保护……免受……(2)protectionn．保护；防卫(后可接against/from)undertheprotectionofsb.＝undersb.'sprotection在……的保护下②Youshouldprotect_the_children_from/againstthecold.你们应该保护孩子不让其受冻。③Littlechildrenliveunder_the_protection_oftheirparents.小孩在父母的保护下生活。4.Heshoutedtothepoacherstoputdowntheirguns.(P52)他向偷猎者大喊，要求他们放下枪。★putdown放下；记下；镇压，平定；让乘客下车[一词多义]写出下列句中putdown的含义①Sheputdownthephone,sighed,andshookherheadsadly.放下②IhadpreparedforthemeetingbyputtingdownwhatIwantedfromthem.记下③Thebusstoppedtoputdownsomepassengers.让乘客下车④Soldierswentintoputdowntherebellion.镇压putaway把……收起来；储存putaside忽视；不理睬；储存；备用putforward提出；推荐putout扑灭；出版；生产putoff推迟；延期putup举起；张贴；留宿；建立⑤Sheputthenewspaperasideandpickedupabook.她把报纸搁置一边，拿起了一本书。⑥We'veinvitedfriendstosupperandit'stoolatetoputitoffnow.我们已邀请朋友来吃晚饭，现在推迟已经来不及了。5.Althoughsurprised,thepoachershadanadvantage—thereweremoreofthem.(P52)尽管偷猎者们很惊慌，但他们占有人多的优势。★状语从句的省略本句中Althoughsurprised＝Althoughtheyweresurprised是让步状语从句的省略。①Although(heis)quiteold,hestilljogseveryday.他尽管年老了，但仍坚持每天慢跑。当though,when,until,if,unless等引导的时间、条件或让步状语从句的主语与主句的主语相同，或主语是it，且从句谓语动词又是含有be的某种形式时，可以省去从句的主语和be。②When_(I_am)_in_trouble,_Ialwaysturntohimforhelp.当我有麻烦时，我总是找他寻求帮助。③Once_(it_is)_seen,_itcanneverbeforgotten.一旦看见，就很难忘记。④Unless_(you_are)_invited,_youshouldremainsilentatthemeeting.除非邀请你讲话，否则你应该在会上保持沉默。[巧学助记]省略句口诀时，条，让，方，地；主语同，谓语be；二者省去不可惜，从句主语是it，省去it's也可以。6.HehadgivenhislifetosavetheTibetanantelope.(P52)他为拯救藏羚羊献出了生命。★giveone'slife献身①Shegaveherlifetohelpthepoor.她一生致力于帮助穷人。②Iwanttogivemylifetothecauseofeducation.我想为教育事业而献身。etolife苏醒过来；变得生动、有趣bring...tolife使苏醒/复活；赋予某物以生命leada...life过着……的生活devoteone'slifeto献身于……loseone'slife丧命allone'slife一生③Hedevoted_his_life_to_teachingthechildrenwholivedinmountainareas.他毕生致力于教育生活在山区的孩子们。④Heisindangeroflosing_his_life．他有失去生命的危险。7.Oftenworkingatnight,thepoachersshootwholeherdsofantelopesatatime,leavingonlythebabies,whosewoolisnotworthsomuch.(P53)那些偷猎者常常是夜里出动，一次就捕杀掉整群藏羚羊，只留下那些毛不怎么值钱的幼崽。★atatime一次；每次①Letyourlisteneransweronequestionatatime.让你的听众一次回答一个问题。atonetime曾经；一度intime及时；迟早ontime准时attimes有时；偶尔atalltimes总是；随时；永远atnotime在任何时候都不(位于句首句子要部分倒装)innotime立刻；马上forthetimebeing暂时atanytime随时②At_timesIsawherwalkingalonebythelake.我有时看到她独自在湖边散步。③Atnotimedoes_the_plain_looksoperfectasinearlyautumn.平原看上去从没有像初秋时这么完美。★worthadj.值……钱；值得的n.价值，值某金额的量④Thispaintingisworth100yuan.这幅画值100元。beworth＋n.值……beworth＋doing...值得做……⑤Theexhibitionis_worth_a_visit/visiting．这个展览值得一看。[名师点津]如果说“很值得”，应说bewellworth，而不能用very/verymuch/quiteworth等。[易混辨析]worthn.价值；adj.值得的；值钱的为形容词时，只作表语；worth短语可作后置定语be(well)worthsth./money“(很)值得……”；be(well)worthdoing“(很)值得做……”worthyadj.有价值的；值得的本身用作表语或前置定语beworthyofsth.“值得……”；beworthyofbeingdone＝beworthytobedone“某事值得做”worthwhileadj.值得做的；值得出力的用作表语或前置定语It＋beworthwhiledoing/todosth.“某事值得做”⑥Hisbehaviorisworthyofpraise/being_praised/to_be_praised．他的行为值得表扬。⑦Ithoughtitwasworthwhileto_clarify_the_matter．我认为值得澄清这件事。[语境串记]Thisarticleiswellworthreading,butitisnotworthyofbeingtranslated.SoIfeelthatallyoureffortisn'tworthwhile.这篇文章很值得一读，但不值得翻译，因此我觉得你的所有努力是不值得的。8.TheanimalsareskinnedonthespotandthewooltakentoIndia,whereitismadeintotheshawls.(P53)这些动物(被猎杀的藏羚羊)被就地剥皮，羊毛被运到印度，在那里被织成披肩。★spotn．地点；场所；污点；斑点vt.弄脏；认出；发现①Thisisthespotwherethetwotruckscollided.这儿就是两辆卡车相撞的地点。②Allappleswithsoftspotswererejected.所有带软斑点的苹果都被剔除。(1)onthespot当场；在现场；立即inaspot处于困境中(2)bespottedwith沾上……的污点；被……弄脏(3)spottedadj.有斑点的；沾上污点的③Hewashitbyafallingtreeandkilledon_the_spot．一棵树倒下了，把他当场砸死了。④Whenevershewasin_a_spotsheturnedtohimforhelp.每当遇到困难时，她都找他帮忙。[语境串记]Onthespot,Ispottedthetroublemakercruellykickingtheinjuredman,whoseshirtwasspottedwithblood.我现场目击了闹事者残忍地踢那个受伤的人，他的衬衣布满了血迹。9.Butinthe1990stheshawlscameintofashionamongrichpeople.(P53)但到了20世纪90年代，这种(藏羚羊毛)披肩在有钱人中间流行开来，成为时尚。★eintofashion成为时尚；流行①Thenetspeak“Geili”haseintofashion,especiallyintheyouth.网络语言“给力”已经成为一种时尚语言，特别是在年轻人中间。beinfashion合乎时尚go/beoutoffashion不合时尚followthefashion赶时髦②Slangoftengoesinandout_of_fashionquickly.俚语常常很快流行起来，又很快过时。③Jeansarestillin_fashioninmanybigcitiesamongtheyoung.在许多大城市的青年人中，牛仔裤仍然很流行。10.Thesmallgroupofofficialswhoworkinthereservearehelpedbyvolunteerswhoefromalloverthecountry,andwhoarereadyforthedifficultconditionsoflifeat5，000metres.(P53)在保护区工作的一小组政府官员得到了来自全国各地的、愿意忍受海拔5000米的恶劣生活环境的志愿者们的支援。★conditionn．[pl.]环境；情况；[C]条件；[U]状况；状态①Itisveryhardtothinkcarefullyintheseconditions.在这样的情况下认真思考很困难。ingood/poorcondition处于好的/坏的状况in/outofcondition健康状况好/不佳onconditionthat如果；在……条件下onnocondition一点儿也不；决不(位于句首句子要部分倒装)②I'lldoiton_condition_thatyoupayforeverything.我可以做此事，条件是你支付一切费用。③Onnoconditionmust_you_tellhimwhathappened.你决不要将发生的事告诉他。[名师点津]当condition表示“环境，形势”时，用复数形式；表示“状况”时为不可数名词；表示“条件”时为可数名词。Ⅰ.单句语法填空1．Ittakesalotoftimeandeffortstostopillegaltradeinendangered(danger)animals.2．Youhavetowearalifejacketforprotection(protect)incaseyoufallintotheriver.3．Thepaintingfailedtoreachitsexpectedprice,andwasboughtbyoneofthedealers(deal)for100，000yuan.4．Manyanimalsareindangerofextinction(extinct)becauseofourdestructionoftheirnaturalhabitat.5．Thehotelisideally(ideal)locatedforenjoyingthedeliciouslocalsnacks.6．Thepoachers(poach)whokilledtheelephantwiththelongesttusksintheworldwerefinallyarrestedbythepolice.7．Theyoungfirefightergavehislifeto_save(save)thebaby,whowastrappedinaburninghouse.8．Duringtheirraidonahouse,thepolicefoundalotofelephanttusks.9．ThisstyleofhatcamefirstintofashionwhenIwasaboy.10．Althoughsurprised(surprise)attheresult,helookedverycalm.11．Bytheendoflastcentury,wehad_lost(lose)20%ofanimalandplantspecies.12．InthemeanwhileI'llvisitanoldfriendofmine.13．Thenewmachineusedtoproducepowderhaslittleeffectontheenvironment.Soitisworthtrying(try)．14．Ifyoustillhaveanyotherquestions,pleaseputthemdownonyournotebook.15．Thegovernmentwillgettoughwithpeoplewhoavoidpayingtaxes.Ⅱ.完成句子1．Hecanusemybicycleon_condition_thathereturnsittomorrow.他可以用我的自行车，条件是明天还我。2．Hewasbadlyinjuredintheaccident,buthestruggled_to_his_feet．他在事故中受伤严重，但还是挣扎着站了起来。3．Somethingmustbedonetoprotect_the_rare_birds_frombeingendangered.必须采取措施保护稀有鸟类，使其免遭灭绝。4．Asnewwordse_into_fashion,_someoldonesaredisappearing.随着新词的流行，一些旧词正在消失。5．WhenIcamein,heseemed_to_be_eatingsomething.当我进来时，他好像正在吃东西。Ⅲ.一句多译1．他的建议值得考虑。①Hissuggestionis_worth_considering．(worth)②Hissuggestionis_worthy_of_consideration/of_being_considered/to_be_considered．(worthy)③It_is_worthwhile_to_consider/consideringhissuggestion.(worthwhile)2．建隧道时，工人们发现了一个地下湖。①While_they_were_buildingthetunnel,theworkersdiscoveredanundergroundlake.(while引导时间状语从句)②While_buildingthetunnel,theworkersdiscoveredanundergroundlake.(省略句)Ⅳ.课文缩写语法填空Thereusedtobe1.________(million)ofantelopesontheQinghaiTibetanPlateau.2.________unfortunatelymanypoacherskilledthemandskinnedthem3.________thespotfortheirwool,4.________is5.________(expensive)materialforashawl.Nowthegovernmentbeginstotake6.________activepartin7.________(protect)theantelopes.Manypoacherswerecaughtand300vehicles8.________(confiscate).Policearegettingtoughwiththedealers.Asa9.________，theantelopepopulationhasslowlybeguntogrowagain.Thewritertellsusthefactaboutthe10.________(endanger)antelopetomakeusrealizetheimportanceofprotectinganimals.答案：1.millions2.But3.on4.which5.themostexpensive6.an7.protecting8.confiscated9.result10．endangered[对应学生课时达标训练(二十二)]Ⅰ.根据提示写出单词的正确形式1．Inthepast20years,ourlivingconditions(条件)havebeenimprovedalot.2．Thereisalwaysbeautifulsceneryinnaturereserves(保护区)．3．Afteryearsofstruggle(奋斗),hehadfinallymadeapileofmoney.4．Allhisillegalineshallbeconfiscated(没收)accordingtothelaw.5．Therearelotsofthingstodowith.Meanwhile(同时),youmustrestasmuchaspossible.6．Thatmistakeseriouslyendangered(danger)thefutureofthepany.7．Theprotection(protect)oftheenvironmentisoneofthebasicstatepoliciesoftheChinesegovernment.8．Securitycamerashavebeeninstalledtoguardagainstpoachers(poach)．9．Theplantisnowindangerofextinction(extinct)．10.Ididnotthinkhimtobeworthy(worth)oftrust.Ⅱ.选词填空indanger,strugglefor,protectfrom,onthespot,eintofashion,putdown,gettoughwith,thanksto,atatime,takeanactivepartin1．Thepeopleare________________；wemusthelpthemoff.2．WhatI'dliketodoisfireyou________________．3．It'sabouttimeteachersstartedto________________bullies(横行霸道者)．4．Sincebeingamanager,Robert________________employees'respect.5．Thatstyleofcoat________________whenIwasaboy.6．TheChineseeconomyhasmadetheseachievements________________reformandinnovation.7．Beatintheeggs,one________________．8．Thesheepjammedtogetherto________________thecold.9．Thearmyshouldsupportand________________nationalconstruction.10．AftertworingsI________________thephone.答案：1.indanger2.onthespot3.gettoughwith4.struggledfor5.cameintofashion6.thanksto7.atatime8.protectfrom9.takeanactivepartin10.putdownⅢ.完成句子1．Themanagerseemed_to_be_singingLittleApplewhenIpassedbyhisoffice.当我经过经理办公室时，经理好像在唱《小苹果》。2．Although_born_in_a_poor_family,_hehasstillbeeoneofthefamousscientistsintheworld.尽管出身于贫苦家庭，他仍成为世界上最伟大的科学家之一。3．Ihopetogotomedicalschooleventually.In_the_meanwhile,_I'mgoingtostudychemistry.我希望最终能上医学院。这期间我打算学化学。4．Theproblemwasdifficult,butitwas_worth_solving．这个题很难，但是值得解决。5．Theseseatsare_reserved_forspecialguests.这些座位是留给贵宾的。Ⅳ.阅读理解AResearchersarefindingnewwaystosavesnakebitevictims.ExpertsdiscussedthelatestfindingsduringarecentmeetingoftheAmericanSocietyofTropicalMedicineandHygiene.ScientistsinAustraliahaveshownthatachemicalcallednitricoxidecouldincreasethechancesofsurvivingapoisonoussnakebite.Thescientistsinjectedratswithdeadlyamountsofsnakevenom.Thentheyrubbedanointmentcontainingnitricoxideontheskinaroundtheinjectionsite.Thestudyfoundthattheratslivedaboutonethirdlongerthaniftheointmenthadnotbeenused.Butthetreatmenthadtobestartedveryquickly.DirkvanHeldenledtheresearchattheUniversityofNewcastleinNewSouthWales.Hesaysthenitricoxideointmentalsoshowedpromiseinhumans.ThestudyappearedearlierthisyearinthejournalNatureMedicine.Scientistssaythefindingscouldhelpsavemanylives.Astudyfrom2008foundthatpoisonoussnakescauseasmanyas94，000deathsworldwideeachyear.ButUlrichKuchoftheBiodiversityandClimateResearchCenterinFrankfurt,Germany,saysthatestimateappearstobelow.MrKuchsaysmanydeathscouldbeprohibited,_butsnakebitevictimsoftengototraditionalhealersordonotseekanyhelpatall.Hesaid,“Sometimesit'sbecausethereisnotreatmentavailable—noantivenom,whichisthespecificdrugtotreatsnakebites—orbecausehealthcarestaffdonotknowhowtotreatsnakebites,orbecausetransportationtogettoahealthfacilityisnotavailableortooexpensive.”Thereisnosingleantivenomthatcanbeusedtotreatallsnakebites.Theantivenommustbespecifictothekindofsnakethatbittheperson.Insomecountriesthetreatmentiscostly,whileinothersthereareproblemswithavailability.语篇解读：本文主要讲述了如何拯救蛇毒受害者。1．Whatisthispassagemainlyabout?A．Snakebitedeathsaroundtheworld.B．Progressinfightingsnakebitedeaths.C．Snakebitetreatmentaroundtheworld.D．Thechancesofsurvivingapoisonoussnakebite.解析：选B主旨大意题。根据文章第一段第一句“Researchersarefindingnewwaystosavesnakebitevictims.”可知，本文是围绕拯救蛇毒受害者而展开的一篇文章，故答案选B。2．Afterbeingrubbedanointmentcontainingnitricoxide,therats________．A．sufferednopainB．diedalittlelongerC．livedalittlelongerD．startedfeelingunfortable解析：选C细节理解题。根据文章第三段第一句“Thestudyfoundthattheratslivedaboutonethirdlongerthaniftheointmenthadnotbeenused.”可知，当给老鼠注射蛇毒后，用一氧化氮软膏擦注射的地方周围的老鼠与不擦的老鼠相比能多活一段时间，故答案选C。3．WhatdoesParagraph3suggest?A．Thenumberofdeathscausedbysnakebitesisbeinglowereachyear.B．Thenitricoxideointmenthassavedthousandsofpeople'slives.C．It'sveryimportanttofindaneffectivewaytotreatsnakebites.D．Thenumberofdeathscausedbysnakebitesworldwideislow.解析：选C推理判断题。根据文章第三段内容可知，用一氧化氮软膏擦患处可延长生命，但不能完全治愈受害者，故还是要找出一种能治疗蛇毒的有效办法，故答案选C。4．Whatdoestheunderlinedword“prohibited”inParagraph5mean?A．Caused.B．Considered.C．Examined.D．Prevented.解析：选D词义猜测题。根据文章第五段第一句“MrKuchsaysmanydeathscouldbeprohibited,butsnakebitevictimsoftengototraditionalhealersordonotseekanyhelpatall.”可知，很多死亡是可以避免的，但被毒蛇咬伤的受害者经常去找传统治疗师医治或不寻求任何帮助，故可推测出答案为D。BMigrationsareoneoftheanimalkingdom'smostwidespreadphenomena.Theyareseasonaltestsofendurance,collectivejourneysoftentakenatgreatcostsbybirds,whales,landmammals,insects,andothercreaturesthatarewiredtotravel.Scientistsestimatethatonethirdtohalfofallanimals—andevensomemicroorganisms—migrateduringpartoftheirlives.Accordingtoscientists,humanactionsarethreateningmanymigrations.Habitatdestruction,thecreationofobstaclessuchasdamsandfences,overexploitationofnaturalresources,andclimatechangearebiningtomakemigrationsincreasinglydifficultformanyspecies.Globalwarming,forexample,ischangingfloweringtimesandothernaturalcycles,drivingmanybirdsandinsectstomovetheirrangesorarrivebeforeoraftertheirfoodsourceshaveappeared.Manyoftheplanet'sgreatmigrationshavealreadydisappeared.Byincreasingpublicawarenessofthetroublesofmigratoryanimalsandmittingtothepreservationnotonlyofindividualspeciesbutalsotheirwayoflife,manymigrationscanstillbesaved.Migrationsshouldbesaved,ifnotfortheabsolutefearthatseeingmillionsofanimalsmovingwithonepurposeelicits,thenfortheirecologicalimportance.“Whatwereallywanttoprotectisthenaturalphenomenonofabundance，”Wilcovesaid.“Ifwewaituntilmigratinganimalsareendangered,thenweloseboththeecosystembenefitsassociatedwiththeirabundanceandalsothewonderandmajesty(壮丽)ofmigrations.”“It'slikeglobalwarming，”hesaid.“Youhavetoalertpeople,andafterawhile,thepublicknowsaboutitandtheydosomethingaboutit.That'swhenthebigchangeswilleabout.Ithinkthere'sabsolutehope.”语篇解读：本文主要介绍了与动物迁徙相关的知识。5．Whenanimalsbegintomigrate,theywill________．A．achieveitwhateverisneededB．spendhalfoftheirlivesinmigratingC．makethejourneyinanindividualwayD．adapttotheseasonatafixedplace解析：选A推理判断题。根据第一段第二句中的“...collectivejourneysoftentakenatgreatcosts...”可知，动物只要开始迁徙，就无论怎样都要达到目标，因此选A。6．Whichofthefollowingaffectsfloweringtimes?A．Habitatdestruction.B．Thebuildingofdams.C．Globalwarming.D．Theuseofnaturalresources.解析：选C细节理解题。根据第三段第一句可知，全球变暖影响到了花开的时间，即C项正确。7．Migrationsshouldbesavedbecause________．A．itisapleasuretoseemillionsofanimalsmovingwithonepurposeB．thewayofindividualspecies'lifeshouldbeprotectedC．theyareenvironmentallycriticalmassmovementsD．thebenefitsoftheecosystemareconnectedwiththem解析：选D细节理解题。根据第四段最后一句可知，动物的迁徙是具有生态意义的，对整个生态系统有着重要的影响，所以需要保护。8．TheattitudeofWilcovetowardssavingmigrationsis________.A．sympatheticB．negativeC．suspiciousD．optimistic解析：选D态度观点题。根据文章最后一段的“Ithinkthere'sabsolutehope.”可知，他认为完全有可能，所以他对于拯救动物迁徙持乐观的态度。Ⅴ.任务型阅读DearSeth，You'reonlythreeyearsold,andatthispointinyourlifeyoucan'tread,muchlessunderstandwhatI'mgoingtotrytotellyouinthisletter.Butsomeday,whenyou'reready,Ihopeyouwillfindsomewis