高考英语任务型阅读题.doc

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1、2010年高考英语任务型阅读题·江苏卷 任务型阅读(共10小题；每小题1分，满分10分)请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意：请将答案写在答题卡上相应题号的横线上。每个空格只填1个单词。Formorethantwentyyearsscientistshavebeenseekingtounderstandthemysteryofthe“sixthsense”ofdirection.Bytryingoutideasandsolvingproblemsonebyone,theyarenowgettingclose

2、rtooneanswer.Onefunnyideaisthatanimalsmighthaveabuilt-incompass(指南针).Ourearthitselfisabigmagnet(磁体).Soalittlemagneticneedlethatswingsfreelylinesitselfwiththebigearthmagnettopointnorthandsouth.Whenpeoplediscoveredthatideaaboutathousandyearsagoandinventedthecompass,itallowedsailor

3、stonavigate(航海)onoceanvoyages,evenundercloudyskies.Actuallytheideaofthelivingcompasscamejustfromobservinganimalsinnature.Manybirdsmigratetwiceayearbetweentheirsummerhomesandwinterhomes.Someofthemflyforthousandsofkilometersandmostlyatnight.Experimentshaveshownthatsomebirdscanreco

4、gnizestarpatterns.Buttheycankeeponcourseevenundercloudyskies.Howcantheydothat?Acommonbirdthatdoesnotmigratebutisgreatatfindingitswayhomeisthehomingpigeon.Notallpigeonscanfindtheirwayhome.Thosethatcanareverygoodatit,andtheyhavebeenwidelystudied.Oneinterestingexperimentwastoattach

5、littlemagnetstothebirds’headstoblocktheirmagneticsense—justasaloudradiocankeepyoufromhearingacalltodinner.Onsunnydays,thatdidnotfoolthepigeons.Evidentlytheycanusethesuntotellwhichwaytheyaregoing.Butoncloudydays,thepigeonswithmagnetscouldnotfindtheirway.Itwasasifthemagnetshadbloc

6、kedtheirmagneticsense.Similarexperimentswiththesamekindofresultsweredonewithhoneybees.Theseinsectsalsoseemtohaveaspecialsenseofdirection.Inspiteoftheexperiments,theideaofananimalcompassseemedprettyextraordinary.Howwouldananimalgetthemagneticstuffforacompass.Ananswercamefromanune

7、xpectedsource.Ascientistwasstudyingbacteriathatliveinthemudofpondsandmarshes.Hefoundaccidentallylittlerod-likebacteriathatallswamtogetherinonedirection—north.Furtherstudyshowedthateachlittlebacteriumhadachainofdenseparticlesinside,whichprovedmagnetic.Thebacteriahadmadethemselves

8、intolittlemagnetsthatcouldlineupwiththeearth’sm