托福阅读备课笔记--全真题解析

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1、Biology:1.OG06—theSwimmingMachineTuna;sailfish;marlin;mackerel—superfish(coitusandsleepinwater)a.superbody—streamline;fewscales—smooth;eyeslevelwithgroovedbody;sharpfinsandneedles;specialscales—finlet小鳍;corselet胸鳍（helpreduceresistance）;mustswimconstantly—mostlylackofgas-f

2、illedsacandbladder,soopenmouthallthetimeb.high-narrowtail—superpropulsion;sensitivetoeddiesandtwirlsinsea—makeuseofthemtoaddpropulsiveforcec.specialtemperaturemaintainingmuscles(25Cin7Cwater);keepbrainsandeyeswarm;billfish—modifiedmuscles2.Onlinetest01—OpportunistsandComp

3、etitorsIntroduction—theprincipleofenergyallocationfollowedbyorganismsdecidesthatthemajordifferencethatcategorizesorganismsishowtheyallocateenergybetweentogrowthandtoreproduction.a.Almostallenergyusedtoreproduction—opportunists;thattogrowthofahugebody—competitorsb.Opportun

4、ists—dandelionsdisperseahugenumberofseedsconstantlyandcansurviveinhumanhabitatsbuthasnostrongstemsanddiedeasilyundertheinfluenceofdisastersorcompetitors—thepopulationvariedhugelyalongthetimec.Competitors—oaktreeshavelongevity(200yearsaveragely)andstrongcompetitivepoweraga

5、instdraughts,pestsandfireeven;leaveshavefoul-tastedtanninsthatpestshate;populationisstable.Conclusion:fewplantsareextremelyopportunisticorcompetitivebutblendersofbothfeatures3.TPO04passage01—DeerPopulationofPugetSoundWashington,PacificNorthwestofUnitedStates—2dominantdeer

6、species:1.black-tailedmule-likedeerineastWashington(lowland)；2.white-tailedColumbiandeer(prairieandflood)a．black-tailed:forestunderstoryplants—herbal;berry;dogwood水木;inharshseason—migratetolowlandarea—bushesandarborealplants木本植物(cedarleavesandredalders红恺木)b．1800-1832,deer

7、populationwasreducedremarkablybythegamingofhumancolonizers,Europeanexplorersandbythehuntingaimingatprotectingfarmplantsc．Furtherpopulationdecrease—urbandevelopmentcausedthedisappearanceofhabitatsd．Populationrebound(1940witnessedthepresenceof320,000muleandblack-taileddeerw

8、ithannualincreaseof65,000deer)shouldgivethankstootherhumanactions:removalofpredatorslikewolvesan