woodpecker是什么意思？用法、例句，2023高考英语阅读理解限时训练 Woodpeckers

其实woodpecker是什么意思？用法、例句的问题并不复杂，但是又很多的朋友都不太了解2023高考英语阅读理解限时训练 Woodpeckers，因此呢，今天小编就来为大家分享woodpecker是什么意思？用法、例句的一些知识，希望可以帮助到大家，下面我们一起来看看这个问题的分析吧！

【导语】这是一篇说明文。文章以一项研究成果为依据向我们揭露了啄木鸟其实并不是我们过去认为的那样，头部有减震装置或减少力量的能力，并且得出了是因为它们微小的体型和体重使得它们可以承受撞击。

Astronghittotheheadwillnormallygiveyouaconcussion(脑震荡).Woodpeckers(啄木鸟),however,striketheirbeaksintotreesthousandsoftimesadayandareperfectlyfine.

Weusedtothinkthatawoodpecker’sskullworkedasakindofsafetyhelmetwhichabsorbedtheshocks.AnewstudybySamVanWassenbergh,aresearcherattheUniversityofAntwerpinBelgium,provedthatthis“commonsense”wasinfactfalse.

VanWassenberghandhiscolleaguesarguedthat,ifawoodpecker’sheadabsorbedtheforce,itwouldnotbeabletostrikethetreewithenoughforce.

“Ifthebeakabsorbedmuchofitsownimpact,theunfortunatebirdwouldhavetopoundevenharder,”theysaidintheirpaper.Inotherwords,ifthetheoryweretrue,thewoodpeckerwouldhavetopeckevenhardertocompensateforboththeshock-absorbingqualitiesofthesponge-likeboneinsideitsskullaswellasthedensityofthewood.

Thescientistsrecordedfourdifferentkindsofwoodpeckersinzoosastheywerepecking.Theteamuseddatafromtheirhigh-speedrecordingstobuilddigitalmodelsofthewoodpeckers.VanWassenberghdescribedthewoodpeckers’motionas“ahammerhittingwood”sincetheirmovementappearedrigidandfocused.

Theresearchsuggestedthatwoodpeckersdon’thaveanyshock-absorbingdeviceortheabilitytoreducetheamountofforce.Althoughtheyarewithout“helmets”,theteamclaimedthatthewoodpeckers’tinysizeandweightprotectthem.

Awoodpecker’sbrainisabout700timessmallerthanthatofahuman.“Smalleranimalscanwithstandhigherdecelerations(减速).Thinkaboutaflythathitsawindowandthenjustfliesbackagain,”VanWassenberghsaid.“Sothatiswhyeventhehardesthitsweobservedarenotexpectedtocauseanyconcussion.”

12.Whatwasthe“commonsense”aboutwoodpeckers?

A.Theycanwithstandslightconcussions.

B.Theirbeakscanspreadtheshockstheyproduce.

C.Theirheadsareabletoreducetheforce.

D.Theirbodiesaresoftenoughtoabsorbtheforce.

13.Whichcanreplacetheunderlinedwords“compensatefor”inparagraph4?

14.WhatdoesVanWassenbergh’sexperimentprove?

A.Theshockabsorbertheoryismostlycorrect.

B.Howwoodpeckerspeckdependsontheirtype.

C.Densityofthewoodaffectsawoodpeckers’peckingforce.

D.Woodpeckersdonothavespecialsafetydevices.

15.Whereisthistextprobablytakenfrom?

文章分享结束，woodpecker是什么意思？用法、例句和2023高考英语阅读理解限时训练 Woodpeckers的答案你都知道了吗？欢迎再次光临本站哦！