【人教版】2020高考英语一轮达标试卷Unit1Friendship 含解析.doc

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1、Unit1Friendship李仕才一、阅读理解.Spider(蜘蛛)webshavesomethingincommonwithguitarstrings.Thelong,thinstringsonaguitarcanvibrate(振动).Theymovebackandforth,orfromsidetoside.Sodowebsmadebyspiders.Thelinesofsilktheyproducecancarryvibrations.Thismovementgivesthesmallcreatureinformationab

2、outwhatlandedontheweb.Spidershaveeightlegsandusuallyeighteyes.Theanimalsbuildwebswiththeirownsoft,naturallymadesilk.Andmuchlikeplayingthestringsofaguitar,aspidercansendoutvibrationsacrossitswebovermanydifferentfrequencies(频率).Spiderscatchtheirfood,usuallyinsectsintheirwe

3、bs.Theymakesmallmovements,whichspreadacrosstheirwebs.Thevibrationscangivethespiderdetailsaboutwhatiscaughtintheweb—maybeapossiblemate，orsomethingtastytoeat.Vibrationsarenotjustusedtospotwhatisfordinner.Theyarealsoimportantincourtship(求爱),solotsofmaleswillactuallycreateav

4、eryspecifickindofmusicalpatternwhichthefemalescanusetodeterminenotonlythatthey’reamale,butthey’retherightspecies,andwhethertheymightwanttomatewiththemaswell.Spidersmaketheirownvibrationstofindouttheconditionofthewebs.Bycontrollingthetightnessofthematerial,theycaneffectiv

5、elycontrolhowinformationisgettingtothemwhentheyhangoutinthemiddleoftheweb.Spidershaveaspecialabilitytoshapethephysicalnatureoftheirselfmadematerialsandcreations.Scientiststhinkthatspidersilkmayhavechangedovertimeforthispurpose.【解题导语】本文介绍了蜘蛛吐出的蛛丝可以传播不同频率的振动，这些振动让它们知道蜘蛛网上落

6、下了什么东西并且这些振动在求爱中也非常重要.1．Howdoesaspiderfeelthataninsectiscaughtintheweb?A．Throughitssenseofsight.B．Throughvibrationsofitsweb.C．Throughdifferentfrequencies.D．Throughamusicalpattern.B解析：细节理解题.根据第二段的“Thevibrationscangivethespiderdetailsaboutwhatiscaughtintheweb”可知，蜘蛛可以通过蛛网的振

7、动知道有东西落到蛛网上了.故选B项.2．Whatdoestheunderlinedword“They”inParagraph2probablyreferto?A．Insects.B．Strings.C．Spiders.D．Vibrations.A解析：代词指代题.根据第二段的“Spiderscatchtheirfood...acrosstheirwebs.”可知，蜘蛛在它们的蛛网上捕食，一般捕到的都是昆虫.它们制造出传遍整张蛛网的小振动.所以They指代的是昆虫.3．WhichofthefollowingstatementsisTRUE

8、?A．Silkproducesvibrationsasthestringsofaguitardo.B．Femalespidersmakespecialsoundstoattractapartner.C．Hu