【BAmericanresearchersfoundfemalesarethemoretalkativesexbecauseofaspecial“languageprotein(蛋白质)”inthebrain.Thestudyconductedbyneuroscientists(神经学家)andpsychologistfromtheUniversityofMarylandcon】|小学英语问答-字典翻译问答网

【BAmericanresearchersfoundfemalesarethemoretalkativesexbecauseofaspecial“languageprotein(蛋白质)”inthebrain.Thestudyconductedbyneuroscientists(神经学家)andpsychologistfromtheUniversityofMarylandcon】

1人问答

问题描述：

Americanresearchersfoundfemalesarethemoretalkativesexbecauseofaspecial“languageprotein(蛋白质)”inthebrain.

Thestudyconductedbyneuroscientists(神经学家)andpsychologistfromtheUniversityofMarylandconcludedthatwomentalkedmorebecausetheyhadmoreoftheFoxp2protein.TheresearchpublishedintheJournalofNeurosciencefoundthathigherlevelswerefoundamonghumansthatwerewomenbutinratsthatweremales.Theirfindingscameafteritwaspreviouslyclaimedthatladiesspeakabout20000wordsaday–over13000morethanmen.“Thisstudyisoneofthefirsttoreportasexdifferenceintheexpressionofalanguage-associatedproteininhumansoranimals”saidProfMargaretMcCarthywholedthestudy.Intheirstudytheresearchersattemptedtodeterminewhatmightmakemaleratsmorevocalthantheirfemalefriends.

Theyseparatedfour-day-oldratsfromtheirmothersandthencountedthenumberoftimestheycriedoutinthe“ultrasonicrange”thefrequencieshigherthanhumanscanhearoverfiveminutes.Whilebothsexescalledouthundredsofcriesthemalescalledouttwiceasoftentheyfound.Butwhenthepupswerereturnedtotheirmother’scageshefussedoverhersonsfirst.TestsconductedonthepartsofthebrainknowntobeassociatedwithvocalcallsshowedthemalepupshaveuptotwiceasmuchFoxp2proteinasthefemales.Theresearchersthenincreasedtheproductioninthebrainsoffemalepupsandreduceditinmales.Thisledtothefemaleratscryingoutmoreoftenandtheirmothersshowingmoreinteresttothem.Incontrastmalesbecameless“talkative”.

Theresearchersthentestedsamplesfromtenchildrenagedbetweenthreeandfivewhichshowedthatfemaleshadupto30percentmoreoftheFoxp2proteinthanmalesinabrainareakeytolanguageinhumans.

“BasedonourobservationsweassumehigherlevelsofFoxp2ingirlsandhigherlevelsofFoxp2inmaleratsisanindicationthatFoxp2proteinlevelsareassociatedwiththemorecommunicativesex”saidProfMcCarthy.“OurresultsimplyFoxp2asacomponentoftheneurobiologicalbasisofsexdifferencesinvocalcommunicationinmammals.“

1.Whatcanbeinferredfromthesecondparagraph？

A.womenalwaysspeakmorewordsthanmen.

B.menandmalera

陈于平回答：

网友采纳

　　1.C2.D3.B4.A 　　分析：　　本文研究了蛋白质和人类的谈话能力的关系，结果发现女性比男性更为健谈。1.推理题。根据文章第二段Theirfindingscameafteritwaspreviouslyclaimedthatladiesspeakabout20000wordsaday–over13000morethanmen.“Thisstudyisoneofthefirsttoreportasexdifferenceintheexpressionofalanguage-associatedproteininhumansoranimals”saidProfMargaretMcCarthywholedthestudy可知他并不是第一个研究女性更为健谈的人。故C正确。2.猜词题。根据本句Butwhenthepupswerereturnedtotheirmother’scageshefussedoverhersonsfirst.可知当小老鼠回到母亲的笼子的时候，母亲先关注她的儿子们。所以“fussedover”是“注意”的意思，故D正确。3.细节题。根据文章第三段45行“BasedonourobservationsweassumehigherlevelsofFoxp2ingirlsandhigherlevelsofFoxp2inmaleratsisanindicationthatFoxp2proteinlevelsareassociatedwiththemorecommunicativesex”可知这个研究关注的是研究Foxp2蛋白质和人的语言能力的关系。故B正确。4.标题确定题。根据文章主题段第一段Americanresearchersfoundfemalesarethemoretalkativesexbecauseofaspecial“languageprotein(蛋白质)”inthebrain.可知本文研究的是为什么女性更加健谈。故A正确。　　考点：　　考查科普类短文阅读