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1、【托福词汇资料】重点词汇语境记忆法-OrientationandNavigation所谓语境记忆单词Rememberbythecontext，也就是将单词置于句子或课文中加以记忆的策略。而在应对托福词汇单词记忆的时候，由于其词汇量大，同时，我们除了学会词汇的拼写之外，还要更好的理解其的使用方法。那么，相信这样的语境记忆方法就是非常的适合了。那么，在以下内容中就为大家带来托福TPO阅读重点词汇语境记忆资料，希望能为大家的备考带来帮助。新托福之TPO阅读重点单词语境记忆之OrientationandNavigationToSouthAmer
2、icans,robinsarebirdsthatflynortheveryspring.ToNorthAmericans,therobinssimplyvacationinthesoutheachwinter.Furthermore,theyflytoveryspecificplacesinSouthAmericaandwilloftencomebacktothesametreesinNorthAmericanyardsthefollowingspring.Thequestionisnotwhytheywouldleavethecold
3、ofwintersomuchashowtheyfindtheirwayaround.Thequestionperplexedpeopleforyears,until,inthe1950s,aGermanscientistnamedGustaveKramerprovidedsomeanswersand,intheprocess,raisednewquestions.Kramerinitiatedimportantnewkindsofresearchregardinghowanimalsorientandnavigate.Orientati
4、onissimplyfacingintherightdirection;navigationinvolvesfindingoneswayfrompointAtopointB.Earlyinhisresearch,Kramerfoundthatcagedmigratorybirdsbecameveryrestlessataboutthetimetheywouldnormallyhavebegunmigrationinthewild.Furthermore,henoticedthatastheyflutteredaroundinthecag
5、e,theyoftenlaunchedthemselvesinthedirectionoftheirnormalmigratoryroute.Hethensetupexperimentswithcagedstarlingsandfoundthattheirorientationwas,infact,inthepropermigratorydirectionexceptwhentheskywasovercast,atwhichtimestherewasnocleardirectiontotheirrestlessmovements.Kra
6、mersurmised,therefore,thattheywereorientingaccordingtothepositionoftheSun.Totestthisidea,heblockedtheirviewoftheSunandusedmirrorstochangeitsapparentposition.Hefoundthatunderthesecircumstances,thebirdsorientedwithrespecttothenew“Sun.”TheyseemedtobeusingtheSunasacompasstod
7、eterminedirection.Atthetime,thisideaseemedpreposterous.HowcouldabirdnavigatebytheSunwhensomeofusloseourwaywithroadmaps?Obviously,moretestingwasinorder.So,inanothersetofexperiments,Kramerputidenticalfoodboxesaroundthecage,withfoodinonlyoneoftheboxes.Theboxeswerestationary
8、,andtheonecontainingfoodwasalwaysatthesamepointofthecompass.However,itspositionwithrespecttothesurround
