英语专四阅读训练.docx

英语专四阅读训练.docx

《英语专四阅读训练.docx》由会员分享，可在线阅读，更多相关《英语专四阅读训练.docx（9页珍藏版）》请在冰豆网上搜索。

英语专四阅读训练

英语专四阅读训练

　　训练一

　　Whatweknowofprenataldevelopmentmakesallthisattemptmadebyamothertomoldthecharacterofherunbornchildbystudyingpoetry,art,ormathematicsduringpregnancyseemutterlyimpossible.Howcouldsuchextremelycomplexinfluencespassfromthemothertothechild?

Thereisnoconnectionbetweentheirnervoussystems.Eventhebloodvesselsofmotherandchilddonotjoindirectly.Anemotionalshocktothemotherwillaffectherchild,becauseitchangestheactivityofherglandsandsothechemistryherblood.Anychemicalchangeinthemother’sbloodwillaffectthechildforbetterorworse.Butwecannotseehowalookingformathematicsorpoeticgeniuscanbedissolvedinbloodandproduceasimilarlikingorgeniusinthechild.

　　Inourdiscussionofinstinctswesawthattherewasreasontobelievethatwhateverweinheritmustbeofsomeverysimplesortratherthananycomplicatedorverydefinitekindofbehavior.Itiscertainthatnooneinheritsaknowledgeofmathematics.Itmaybe,however,thatchildreninheritmoreorlessofarathergeneralabilitythatwemaycallintelligence.Ifveryintelligentchildrenbecomedeeplyinterestedinmathematics,theywillprobablymakeasuccessofthatstudy.

　　Asformusicalability,itmaybethatwhatisinheritedisanespeciallysensitiveear,apeculiarstructureofthehandsorthevocalorgansconnectionsbetweennervesandmusclesthatmakeitcomparativelyeasytolearnthemovementsamusicianmustexecute,andparticularlyvigorousemotions.Ifthesefactorsareallorganizedaroundmusic,thechildmaybecomeamusician.Thesamefactors,inothercircumstancemightbeorganizedaboutsomeothercenterofinterest.Therichemotionalequipmentmightfindexpressioninpoetry.Thecapablefingersmightdevelopskillinsurgery.Itisnottheknowledgeofmusicthatisinherited,thennoreventheloveofit,butacertainbodilystructurethatmakesitcomparativelyeasytoacquiremusicalknowledgeandskill.Whetherthatabilityshallbedirectedtowardmusicorsomeotherundertakingmaybedecidedentirelybyforcesintheenvironmentinwhichachildgrowsup.

　　1.Whichofthefollowingstatementsisnottrue?

　　A.Somemotherstrytoinfluencetheirunbornchildrenbystudyingartandothersubjectsduringtheirpregnancy.

　　B.Itisutterlyimpossibleforustolearnanythingaboutprenataldevelopment.

　　C.Thebloodvesselsofmotherandchilddonotjoindirectly.

　　D.Therearenoconnectionbetweenmother’snervoussystemsandherunbornchild’s.

　　2.Amotherwillaffectherunbornbabyontheconditionthat____.

　　A.sheisemotionallyshocked

　　B.shehasagoodknowledgeofinheritance

　　C.shetakespartinallkindofactivities

　　D.shestickstostudying

　　3.Accordingtothepassage,achildmayinherit____.

　　A.everythingfromhismother

　　B.aknowledgeofmathematics

　　C.arathergeneralabilitythatwecallintelligence

　　D.hermother’smusicalability

　　4.Ifachildinheritssomethingfromhismother,suchasanespeciallysensitiveear,apeculiarstructureofthehandsorofthevocalorgans,hewill____.

　　A.surelybecomemusician

　　B.mostlybecomeapoet

　　C.possiblybecomeateacher

　　D.becomeamusicianontheconditionthatallthesefactorsareorganizedaroundmusic

　　5.Whichofthefollowingisthebesttitleforthepassage?

　　A.RoleofInheritance.B.AnUnbornChild.

　　C.Functionofinstincts.D.InheritedTalents.

　　参考答案：

BACDA

　　阅读二

　　Therearesomeearthphenomenayoucancounton,butthemagneticfield,somedayisnotofthem.Itfluctuatesinstrength,driftsfromitsaxis,andeveryfew100,000yearsundergo,dramaticpolarityreversal—aperiodwhennorthpolebecomessouthpoleandsouthpolebecomesnorthpole.Buthowisthefieldgenerated,andwhyisitsounstable?

　　GroundbreakingresearchbytwoFrenchgeophysicistspromisestoshedsomelightonthemystery.Using80metersofdeepseasedimentcore,theyhaveobtainedmeasurementsofmagnetic?

fieldintensitythatspan11polarityreversalsandfourmillionyears.Theanalysisrevealsthatintensityappearstofluctuatewithaclear,well-definedrhythm.Althoughthestrengthofthemagneticfieldvariesirregularlyduringtheshortterm,thereseemstobeaninevitablelongtermdeclineprecedingeachpolarityreversal.Whenthepolesflip—aprocessthattakesseveralhundredthousandyears—themagneticfieldrapidlyregainsitsstrengthandthecycleisrepeated.

　　Theresultshavecausedastiramonggeophysicists.Themagneticfieldisthoughttooriginatefrommoltenironintheoutercore,3,000kilometersbeneaththeearth'ssurface.Bystudyingmineralgrainsfoundinmaterialrangingfromrockstoclayarticles,previousresearchershavealreadybeenabletoidentifyreversalsdatingback170millionyears,includingthemostrecent