Unit9HumanBiologyLesson2BrainPower课件-高中英语北师大版选择性.pptx

UNIT9HUMANBIOLOGYLESSON2BRAINPOWER

LEARNINGOBJECTIVESTolistenandtalkabouthumanbrainandbrainpower;Tolistenforgeneralunderstanding;Tolistenforspecificinformationanddeepunderstanding;Torecallinformationpreviouslyheard;Tounderstandandlearnwordsandexpressionsincontext;Tocomparepersonalopinionswiththeideasofothers;Todiscussexpressionsthataskforandgiveadvice.

KEYPOINTSANDDIFFICULTPOINTSTounderstandanddiscusshumanbrainandbrainpower;Toanswerthecomprehensionquestions;Tolistenforgeneralideaofthetext;Torecallkeyinformationafterlistening;Toexpresspersonalopinionsandexchangeideaswithothers;Tounderstandandlearnexpressionsthataskforandgiveadvice.

LEADINGINHowmuchdoyouknowaboutthebrain?

ACTIVATEANDSHAREMatchthewordsfromtheboxwiththeirdefinitions.atomnervebillioncellorgan()1.onethousandmillion()2.apartofthebodythathasaparticularpurpose,e.g.theheart()3.thesmallestpieceofsomethingthatcanexistalone()4.atinypartofthebodythathelpscarrymessagestoandfromthebrain()5.aunitoflivingmatterbillionorganatomnervecell

LISTENFORUNDERSTANDINGBeforelisteningtoalectureaboutthebrain,readthestatementsandwriteT(true)orF(false).()1.Thebrainconsistsofonlywhitematter.()2.Thebrainweighsjustoverakilo.()3.Thebraincontainsaboutonebillioncells.()4.Thebrainuses10%ofthebody’senergy.()5.Thebrainsendsmessagesinthesamewayasacomputerworks.()6.Therearemorepossibleconnectionsinyourbrainthanthereareatomsintheuniverse.FTFFTT

LISTENFORUNDERSTANDINGListentothelectureandcheckyouranswerstoActivityandcorrectthefalseones.1.Thebrainconsistsofgreyandwhitematter.3.Thebraincontains