题目内容：
根据以下材料，回答题
ApproachestoUnderstandingIntelligence
Itpaystobesmart,butwearenotallsmartinthesameway.Youmaybeatalentedmusician,butyoumightnotbeagoodreader.Eachofusisdifferent.
Psychologistsdisagreeaboutwhatisintelligenceandwhataretalentsorpersonalabilities.
Psychologistshavetwodifferentviewsonintelligence.Somebelievethereisonegeneralintelligence.Othersbelievetherearemanydifferentintelligences.
SomepsychologistssaythereisonetypeofintelligencethatcanbemeasuredwithIQtests.
Thesepsychologistssupporttheirviewwithresearchthatconcludesthatpeoplewhodowellononekindoftestformentalabilitydowellonothertests.Theydowellontestsusingwords,numbersorpictures.Theydowellonindividualorgrouptests,andwrittenororaltests.Thosewhodopoorlyononetest,dothesameonalltests.
Studiesofthebrainshowthatthereisabiologicalbasisforgeneralintelligence.Thebrainofintelligencepeopleuselessenergyduringproblemsolving.Thebrainwavesofpeoplewithhigherintelligenceshowaquickerreaction.Someresearchersconcludethatdifferencesinintelligenceresultfromdifferencesinthespeedandeffectivenessofinformationprocessingbythebrain.
HowardGardner,apsychologistattheHarvardSchoolofEducation,hasfourchildren.Hebelievesthatallchildrenaredifferentandshouldn'tbetestedbyoneintelligencetest.AlthoughGardnerbelievesgeneralintelligenceexists;hedoesn'tthinkittellsmuchaboutthetalentsofapersonoutsideofformalschooling.Hethinksthatthehumanmindhasdifferentintelligences.
Theseintelligencesallowustosolvethekindsofproblemswearepresentedwithinlife.Eachofushasdifferentabilitieswithintheseintelligences.Gardnerbelievesthatthepurposeofschoolshouldbetoencouragedevelopmentofallofourintelligences.
Gardnersaysthathistheoryisbasedonbiology.Forexample,whenonepartofthebrainisinjured,otherpartsofthebrainstillwork.Peoplewhocannottalkbecauseofbraindamagecanstillsing.So,thereisnotjustoneintelligencetolose.GardnerhasIdentified8differentkindsofintelligence:linguistic,mathematical,spatial,musical,interpersonal,intrapersonal,body-kinesthetic(身体动的),andnaturalistic.
Whatisthemainideaofthispassage? A．Theimportanceofintelligence.
B．Thedevelopmentofintelligencetests.
C．Howtounderstandintelligence.
D．Howtobecomeintelligent.
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