【威学教育】王鑫托福TPO17-2阅读文本

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1、【王鑫托福阅读】托福TPO17-2阅读文本TPO17TP017-2AnimalSignalsintheRainForest1.ThephraseconspicuousinthepassageisclosestinmoaningtoA.CommomB・NoticeableC.DifferentD.Colorful2.Accordingtoparagraph2,whatisproblematicaboutananimarssendingvisualsignalstomembersofitsownspecies?A.Signsthatmakeananimalvisibletoitsspeci

2、esalsomakeitvisibletopredators.B・Ananimalthatchangescolortoavoidpredatorscanconfusemembersofitsspecies.C・Changinglightmayrequireananimaltomovebeyondthevisualrangeofothermembers-D.Theanimalmaymistakenlysignalaggressionwhenitmeanttosignalreadinesstomate・3.Thewordsignalinthepassageisclosestinmeanin

3、gtoA.changeB.imitateA.communicateB.hide1.Accordingtoparagraph2,allofthefollowingarereasonsamphibiansandreptileschangecolorEXCEPTA.changingseasonsB・tosignalothersoftheirspeciesC・tomatchthelightD.tohidefrompredatorsThedaytimequalityof1ightinforestsvarieswiththedensityofthevegetation,theangleoftheS

4、un,andtheamountofcloudinthesky.Bothanimalsandplantshavedifferentappearancesinthesevarious1ightingconditions.Acolororpatternthatisrelativelyindistinctinonekindoflightmaybequiteconspicuousinonother.Inthevariedandconstantlychanginglightenvironmentoftheforest,ananimalmustbeabletosendvisualsignalstom

5、embersofitsownspeciesandatthesametimeavoidbeingdetectedbypredators.Ananimalcanhidefrompredatorsbychoosingthe1ightenvironmentinwhichitspatternis1eastvisible.Thismayrequiremovingtodifferentpartsoftheforestatdifferenttimesofthedayorunderdifferentweatherconditions,oritmaybeachievedbychangingcoloracc

6、ordingtothechanging1ightconditions.Manyspeciesofamphibians(frogsandtoads)andreptiles(lizardsandsnakes)areabletochangetheircolorpatternstocamouflagethemselves.Somealsosignalbychangingcolor・Thechameleonlizardhasthemoststrikingabilitytodothis・Somecharneleonspeciescanchangcfromaratherdul1appearaneet

7、oaful1riotofcarnivalcolorsinseconds・Bythismeans,theysignaltheirlevelofaggressionorreadinesstomate.2.Accordingtoparagraph3,butterfliesmoveintospotsofsunlightinordertoA.warmtheirwingsinordertoopenthemA.competewitheachotherC・ta