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雅思英语写作重点句型雅思英语写作重点句型21句1.ItmustbepointedoutthatitisoneofourbasicStatepoliciestocontrolpopulationgrowthwhileraisingthequalityofthepopulation.2.Itis(hasbeen)estimatedthattheworld'spopulationcouldreach6billionbytheendofthecentury.3.Itmustbekeptinmindthatthereisnosecretofsuccessbuthardwork.4.Itcanbeseenfromthisthatthereisnodifficultyintheworldwecannotovercome.5.Asisknownmanistheproductoflabour.6.Itisacommonsayingthatmanwhohasasettledpurposewillsurelysucceed.7.Itisclearthattheenemyhasnodesireforpeace.8.ItishardtoimaginehowEdisonmanagedtoworktwentyhourseachday.9.It'shardtosaywhethertheplanispracticable.10.Thereisnodoubtthatyouwillbehelpedbyothersifyouhaveanydifficulties.11.Itseemscertainthattheyhavemadeaseriesofexperiments.12.Itissaidthatbatshavebeenusingradarformillionsofyears.13.Totellthetruth,manymistakeswemadecouldhavebeenavoided.14.Asweknow,itwasnotuntilrecentlythattheproblemwassolved.15.Itmustbeadmittedthatyouhaven'tdonewhatyoupromisedtodo.16.Inmyopinion,thiscomputerisdifferentfromthatoneyousaw.17.Itiscertainthatwehavealongwaytogo.18.Allthisshowsthatnothingcanpreventusfromreachingouraims.19.Asfarasweknow,ittookhimmorethanayeartowritethebook.20.Ithasbeenprovedthateverysubstance,nomatterwhatitis,ismadeupofatoms.21.Ithasbeendecidedthatwearegoingtobuildarailwaywhosebasemustbecompletedwithinthisyear.