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1、2013高考英语二轮复习讲义（阅读理解）及训练11：（答案）小试牛刀---------阅读理解Doesyourolderbrotherthinkhe’sclevererthanyou?Well,he’sprobablyright．AccordingtoanewresearchpublishedinthejournalIntelligence,theoldestchildreninfamiliesarelikelytohavethehighestIQsandtheyoungestthelowest,A
2、numberofstudieshavesuggestedthatIQscoresdeclinewithbirthorder．Inthemostrecentstudy,atVrijeUniversity,Amsterdam,researcherslookedatmenandwomenwhoseIQhadbeentestedattheagesof5，12，and18．Theresults,whichshowatrendfortheoldesttoscorebetterthantheyoungestine
3、achtest,involvedabout200,000people．Thatshowedthatfirst-bornshadathree-pointIQadvantageoverthesecond-born,whowasapointaheadofthenextinline．Theorderofbirthcanalsoaffectpersonality,achievement,andcareer,withfirst-bornsbeingmoreacademicallysuccessfulandmor
4、elikelytowinNobelprizes．However,eldsetchildrenarelesslikelytoberadicalandpioneering．CharlesDarwin,forexample,wasthefifthchildofsix．Exactlywhythereshouldbesuchdifferencesisnotclear,andthereareanumberoftheoriesonenvironmentalinfluencesonthechild．Theso-ca
5、lleddilution(稀释法)theorysuggeststhatasfamilyresources,bothemotionalandphysical,aswellaseconomic,arelimited,itfollowsthat,asaresult,asmorechildrencomealong,thelevelsofparentalattentionandencouragementwilldrop．Anothertheoryisthattheintellectual(智力)environ
6、mentinthefamilyfavorsthefirst-bornwhohas,atleastforsometime,thebenefitofindividualcareandhelp．Thetheorywhichenjoysthemostsupportisthattheextratimeandpatiencethattheearlier-bornsgetfromtheirparents,comparedwiththosearrivinglater,givesthemanadvantage．72．
7、Whatisthepassagemainlyabout?A．IQscoreshavelittletodowiththeorderofbirth．B．Intellectualfamiliesfavorthefirst-bornC．TheorderofbirthcanhaveaneffectonIQD．Theorderofbirthcanaffectpersonality,achievement,andcarrer．73．ByusingCharlesDarwinasanexample,theauthor
8、wantstoprovethatA．eldestchildrenarethesmartestinafamilyB．youngestchildrenwillusuallybecomeexpertsC．first-bornsaremorelikelytowinNobelprizesD．eldestchildrenarelesslikelytotrysomethingnew74．Whatdoweknowaboutthedilutiontheory?A．Intellectua
