托福口语备考之动物的保护色-智课教育旗下智课教育

《托福口语备考之动物的保护色-智课教育旗下智课教育》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、智课网托福备考资料托福口语备考之动物的保护色-智课教育旗下智课教育动物的保护色在动物遇到问题的时候保护了它们，你知道这一切是怎么发生的吗？现在就跟着智课教育小编一起来看看吧！人在社会中会改变自己来适应环境，动物也是这样，动物也会改变自己的保护色来适应环境，具体这件事是怎么发生的呢?现在就跟着智课教育小编一起来看看这则托福综合口语解析吧!希望可以帮助大家在托福口语考试中取得好成绩!ReadingPart:RevealingColorationManyanimalsusecolorationtoprotectthemselvesfrompredators.①Onedefensive

2、strategyinvolvingtheuseofcolorationiswhatisknownasrevealingcoloration.Animalsemployingthisstrategyhaveanareaofbrightcoloronsomepartoftheirbody;thisbrightcolorisusuallyhiddenfrompredators’view.Whenapproachedbyapredator,theanimalsuddenlyrevealstheareaofbrightcolor;thisunexpecteddisplayofcolors

3、tartlesorconfusesthepredatorandprovidesthewould-be-preywithanopportunitytoescape.·ListeningPart:Nowlistentopartofalecturefromabiologyclass.(male)②There’salargetropicalinsectcalledthePeanutBug.Yes,likethepeanutsyoueat.Um,andthePeanutBugsfrontwingsarecoloredsotheyblendinwiththeirsurroundings.③

4、Butitsbackwings,whichareusuallyclosedandhidden,havethesebrightcolorfulspotsonthem.④AndwhenthePeanutBugsareattacked,itsuddenlyopensitsbackwingsandoutpopthesebrightcolors.⑤AndthatsurprisesthepredatorandgivesthePeanutBugachancetogetaway.⑥Um,thenyouhaveabutterflycalledthemorphobutterfly.Andparts

5、ofthemorphobutterflywingsareveryshiny.Theyreflectalotofsunlight.Whenthisbutterflyisresting,thisshinypartofitswingsishidden.Nowmorphobutterfliesareoftenattackedbybirds.Sowhenabirdapproaches,themorphofliesaway.⑦Andwhenthemorphoflapsitswings,allthebirdcanseeareflashesoflightreflectedfromthemorp

6、ho’swings.。⑧Thoseflashesoflightmakeitverydifficultforthebirdtofollowthemorpho.Andthemorphoisusuallyabletogetaway.一.范文Theprofessortalksaboutrevealingcolorationwhichisastrategyanimalsusetogetawayfrompredatorsinvolvingtheuseofcolors.Inthefirstexample,peanutbugsshowthetwobigbrightspotslocatedont

7、heirbackwingstosurprisepredators,soitgetsachancetohideorescape.Inthesecondexample,theprofessortalksaboutmorphobutterfly.Whenit’sattackedbybirds,themorphofliesaway,andwhenitflapsitswings,it’sverydifficultforthebirdtogetagoodlookatthem,becausemorpho’