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內容簡介: |
《新编英语教程6(学生用书)(第3版)》开一代英语专业教材编写之先河,融交际教学法与传统教学理念于一体,历经二十余载,为我国英语专业人才培养做出了巨大贡献。
第三版基于广泛市场调研和试用反馈,汲取全国百余所高校师生的建议和意见,旨在发扬教材优良传统,致力于满足新时期英语专业教学需要!
继续保持“题材-结构-功能-任务”的编写特色,大幅更新语料,适当精简内容,合理调整各册难度
强调夯实语言基本功,兼顾情感态度、学习策略和文化意识培养,致力于提高学生独立思考、分析解决问题的能力
配备大量形式多样练习,注重实效,循序渐进,全面提高学生综合语言技能
提供丰富配套资源,同步推出电子教案,可帮助教师构建全新互动的课堂教学模式,充分满足教学需要
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目錄:
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Unit1
Unit2
Unit3
Unit4
Unit5
Unit6
Unit7
Unit8
Unit9
Unit10
Unit11
Unit12
References
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內容試閱:
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9Sometimesfoodwilldetermineananimal''sappearance.Earthwormshaveshapedthewoodcock,asnipe-likebirdoftheforestfioor.Thiscreaturehasalongnarrowbillthatlookslikeapencilandfitsneatlyintotheburrowsoftheworms.Butthebillhasitsdisadvantages;withitburieddeepinawormholethewoodcockiswlnerabletoattackfromabove.Tocounteractthisdangerthewoodcockhaseyesnearthetopofhishead.Thissingulardevicepermitshimtoscanthetreesfordangerevenwhenhisbeakisburied.Asuccessfularrangementforlongevity-butitcertainlycreatesanodd-lookingcreature.
10heneedtocatchelusivepreyhadevolvedsomestaggeringbiologicaltricks.Theseaanemone,afiower-likeanimalofthetidemark,isusuallyrivetedtoonespot,yetitfeedsondartingfish.Adiabolicallyclevertrapwasnecessarytocatchthem,sotheanemonedevelopedtentacleswithbombsintheendofeach.Whenafishforagesintothesetentaclestheendsshootathinthreadintothefish''sbody.Thethreadinturnexplodesaparalyzingpoison.Thestunnedfishishauledinbythetentaclesandshovedintotheanemone''sgullet.
11Natureseemstohavegonealloutincreating14preposterousgadgetsforself-defense.Thejacana,abirdoftheAmericantropics,forinstance,isendowedwithspurswhichunfoldlikeaswitchbladeatthebendofthebird''swingsandwithwhichhecanslashhisenemiestoshreds.
12Lizardsareprofessionalsintheartofwardingoffattack.Thetwo-headedskink,whosetailisshapedlikehishead,confuseshisenemy.Ahawk,uponattackingthisfellow,anticipatesthathewillruninthedirectionoftheliftedheadandmakesallowanceforthe,movement15.However,thebirdusuallystrikesnothing,forheisaimingatthetail.Therealheadtookofftheotherway.
13Inordertotravelinahostileworld,thePortugueseman-of-warfirstmasteredtheartoffioating.Todothisitevolvedapurplebagandinfiateditwithgasfromaspecialgland.Asacrowningideal''italsogrewasail!Launched,theman-of-warcanblowawayfromenemiesorapproachfoodbyputtingitssailupanddown.Whenseverelythreatened,itforcesthegasoutofthefioat18andsubmerges.
14Thereishardlyanyenvironment,howeverhostile,thatsomecreaturehasnotmastered.Landis,ofcourse,thenemesis19ofthefish.Iftheyfiopoutonittheydie.Iftheirpondsdryup,theyarehelpless.Giventhissituation,itwasalmostcertainthatsomefishwouldevolveawaytobeatit;andsothereisalungfish.Itisanairbreatherandmustcometothesurfaceevery20minutesorso;otherwiseitdrowns.WhenthepondsofAfricadryupinthearidseason,thelungfishwrapthemselvesinmudandwaititout,sometimesforyears.Whentherainsfinallyreturn,theyresumetheirwaterlife.
15Justasnatureaddsthingsoncreaturesthatneedthem,sosheoccasionallytakesthingsawayfiomthosethatdon''t.TheadultMayfiy,forexample,hasnomouthorstomach.Lastyear,byanorthernNewYorklake,Ifoundmyselfamidhundredsofthousandsoftheseinsects.ItoldtheconservationofficerwhomIwaswiththatIwasgladtheydidn''tbite.Herepliedthattheyhavenomouthstobitewith."AnadultMayflylivesbutoneday,"heexplained,"andthatdayisdevotedentirelytopleasure.
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