任务型阅读（共5小题，计10分）阅读下面短文，根据短文内容完成下列各句。Therearecertainthings（某些事）thatacomputercandoverywell.Itcancalculatelargenumbersveryfast.Butourbraincandocertainthingsthatacomputercan’tdo.Ourbraincanthinkanddecide!Scientistssaythatourbrainisactuallymorepowerfulthananycomputerontheearth.Ourbrainhasbillionsofcells（细胞）.It’sareallylargenumber.Itwouldtakeus3,000yearstocountthemall.Tolearnsomethingnew,certainbraincellshavetoconnect（连接）witheachother.Forexample,whenwebegintolearnthemultiplicationtable（乘法表）of9,somebraincellswillstartconnectingwitheachother.Whentheconnection(连接)isstrong,wecanlearnthetablewell!Nowwhatwouldhappenifallourbraincellsconnectedwitheachother?Wecouldlearneverything.Wecouldcalculateanything.Wecouldreadandrememberallthebooksintheworld!Suchisthepowerofhumanbrain!Ourbrainissopowerful,butwhydoweforgetourlessons?Whycan’tweremembereverything？It’sbecausewedon’tgiveenoughexercisetoourbrain.It’salsobecausewedon’tfollowtherightwayoflearning.Thebraincellswillmakenewconnectionsonlyifwekeeponlearningandpracticing.1.Howisourbraindifferentfromthecomputeraccordingtothefirstparagraph?Ourbraincan..2.Howlongwouldittakeustocountourbrain’scells?Itwouldtakeustocountourbrain’scells.3.Whatmakesuslearnthemultiplicationtableof9well?.4.Whatshouldwedotomakeourbraincellsmakenewconnections?Weshould.5.Whichismoreamazingaccordingtothewriter,ourbrainorthecomputer?.
