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[基础训练]Ⅰ单词拼写1．Itwasatthatmomentthatthe________(鱼鳍)burstoutofthewater.答案：fin答案2．Awhaleanda________(鲨鱼)liveintheocean.答案：shark答案3．Theuniversitywillreachits________(目标)of5,000studentsnextSeptember.答案：target答案4．Ifyouwanttopassyourexamsyou'dbetterchangeyoura________.答案：attitude答案5．Manyspecieshavebeenindangerofe________becauseofourdestructionoftheirnaturalhabitat.答案：extinction答案Ⅱ单句语法填空1．Thearrivaltimehasbeendelayeddue________badweather.答案：to答案2．ThemainpurposeofhisholidaytoGreecewastogo________(dive)．答案：diving答案3．Theseaturtleisan________(endanger)species.答案：endangered答案4．ThefilmJawsmademanypeople________(frighten)ofsharks.答案：frightened答案5．Thethoughtofdyingslowlyand________(pain)terrifiedme.答案：painfully答案Ⅲ单句写作1．它讲述了一个9岁男孩和一条金鱼的故事。__________________ofa9－year－oldboyandagoldenfish.答案：Ittellsthestory答案2．鲨鱼还活着的时候，鱼鳍通常就被切断了。Thefinsareusually______________whilethesharkisstillalive.答案：cutoff答案3．为了保护鲨鱼免遭灭绝正在做什么？Whatisbeingdonetoprotectsharks______________？答案：fromextinction答案4．这部电影成功地上映了，吸引了大量的观众。Thefilmwassuccessfullystaged,________hugeaudience.答案：attracting答案5．我肯定这会对我们的自然环境造成影响。Iamsurethatitwill________________onournaturalenvironment.答案：haveaneffect答案[思维训练]Ⅰ阅读理解ASharkshavebeenswimmingintheoceanformillionsofyears.TheywereonEarthevenbeforedinosaurs!Atthetopoftheworld'socean'sfoodchain,sharkshelpkeepthepopulationofotheroceananimalsinbalance.Alargedropinthenumberofsharkscancauseseriousproblemsforalloceananimals.Savingsharksmakessense!Manypeopleareafraidofsharks.Butmostsharksareharmless.Onlyasmallpercentageofsharksareknowntoattackhumans.Itadapt(适应)welltonewhabitatsandeatwhateverisavailable.However,today,sharksareintrouble.Nearlyone－thirdofthe400sharkspeciesareindangerofextinction,largelyduetoover－fishing.Eachyear,tensofmillionsofsharksarecaughtandkilledjustfortheirfins.Thefinsareusedtomakesharkfinsoup.HumaneSocietyInternational(HSI)joinedwiththeJaneGoodallInstitute'sRootsandShootsprogramandBeijingZootoprotectsharks.Anexhibitatthezoo,“thePriceBehindtheTaste—ProtectSharks.Don'tEatSharkFins”，wasdesignedtotellpeoplethatsharkfinningiscruelandunnecessary.It'shopedthattheactivitywillhelpputanendtothe_practice.SharkfinsoupisalsoeatenintheUnitedStates.Infact,thenumbersofsomesharkspeciesinUSwatershavedropped90percentinthelast30years.Toslowthefall,lawsagainstthesaleofsharkfinshavebeenpassedinseveralstates,includingHawaii,Oregon,Washington,andCalifornia.篇章导读：本文是一篇说明文。如果美味的鱼翅是残忍杀害鲨鱼后获得的，你还能够接受吗？1．Whatdoesthefirstparagraphmainlytellus?A．Oceananimalsareatthetopofthefoodchain.B．Sharksplayanimportantroleintheocean.C．Sharksareanoldspeciesintheocean.D．Sharksarebeingcaughtandkilled.答案：B段落大意题。根据第一段中的“sharkshelpkeepthepopulationofotheroceananimalsinbalance.Alargedropinthenumberofsharkscancauseseriousproblemsforalloceananimals”可知，鲨鱼有助于维持海洋动物数量上的平衡，起着非常重要的作用。故选B。答案2．AccordingtoParagraph2,sharksareintroublebecause________.A．theyoftenattackhumansB．theirfoodisbeingpollutedC．theyarebeingcaughtforfoodD．theirhabitatisbeingdestroyed答案：C细节理解题。根据第二段最后三句可知，大量鲨鱼面临灭绝的主要原因是过度捕捉，而这些被捕捉的鲨鱼的鳍被用来做了鱼翅汤，故选C。答案3．Theunderlinedpart“thepractice”inParagraph3refersto________.A．sharkfinningB．sharkprotectionC．theprogramofHISD．theexhibitatBeijingZoo答案：A词义猜测题。根据画线处所在句的前两句可知，这个展览的目的是呼吁人们保护鲨鱼，拒绝鱼翅汤，因此选A。答案4．Whatdoweknowfromthetext?A．Thereare400sharkspeciesintheUnitedStates.B．It'sillegaltoeatsharkfinsoupintheUnitedStates.C．Mostsharksarenotinterestedinahumanfordinner.D．Sharksareveryparticularabouttheirhabitatsandfood.答案：B推理判断题。根据最后一段最后一句可知，为了减少鲨鱼数量的下降，在美国一些地方通过了关于禁止捕捉和买卖鲨鱼的法律，故选B。答案BElephantsmightbethemostwell－knownandwell－lovedanimalinAfricanwildlife.Butconservation(保护)oftheAfricanelephantfacesspecialdifficulties.Whiletheelephantpopulationishalfofwhatitwas40yearsago,someareasofAfricahavemoreelephantsthanpopulatedareascansupport.That'swhyAWFscientistsarestudyingelephantbehavior,protectinghabitatsandfindingwaysforhumanstolivepeacefullywithelephantsinAfrica.Yearsago,overhuntingandtheivorytradewerethebiggestthreatstoelephants'survival.Luckily,ivorybans(禁令),huntingrulesandprotectedareasprotectelephantsfromthesedangerstoday.The21stcenturybringsadifferentchallengetoelephantconservation—land－use.Elephantswalkacrossbordersandoutsideparksandotherprotectedareas.Sotheyoftendestroycrops,causingconflicts(冲突)betweenlocalfarmersandthesebiganimals.Successfulconservationstrategies(策略)mustallowelephantstowalkfreelyintheirnaturalhabitatswhilereducingconflictsbetweenelephantsandlocalpeople.AWFresearchersaresearchingforawaytogivebothelephantsandpeoplethespacetheyneed.TheAWFiscollectinginformationonelephanthabitatsandbehavior.Theinformationtheygatherwillhelptodevelopthewidestpossiblespaceforelephants.TheAWFishelpingelephantsbyprotectingtheirhabitats.Andtheyalsoworkwithlocalfarmerstoimprovetheirlifeinordertoencouragethemtoprotectratherthandestroyelephants.篇章导读：本文是一篇说明文。非洲象的数量虽然有所增长，但对于非洲象的保护工作却不能停止。5．Thefirstparagraphofthetextismainlytotellreaders________.A．AfricanelephantsareendangerednowB．thereremainsalottodotoprotectAfricanelephantsC．AfricanelephantsarepopularanimalsD．thenumberofAfricanelephantshasincrea