公共英语-公共英语四级分类模拟题知识运用题(四)

《公共英语-公共英语四级分类模拟题知识运用题(四)》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

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3、owedthe6gains,andatage15theyhadhigherreadingandmathscores.What7forthesegains?Rameyandotherscientistssayearlychildhoodexperiences8braingrowth.Aninfantisborn9billionsofbraincellscalledneurons.Somearewiredtoothercellsbeforebirthtoregulatethe10oflife,suchasheartbeatandbreathing.Othersarewaitingtobewi

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5、meanexperienceisrepeated,the17arestrengthened.Thefirsttwoyearsoflifeareanexplosionofbrain18andconnections•Byaqetwothe19hasmorethan300trillionconnections•Atthesametimecellsthataren1tbeingconnectedorusedarebeinq20•l^A.workedB・stayedC.studiedD.talked2>A.atB.inC.ofD.byA.feedB•irritateC•pushD•stimulat

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