高中英语Unit-21-Lesson-2-《Brain-Power》3-北师大版-选修7

BrainPower

1Testyourmemory:Lookatthefollowingnumbersforaboutoneminuteandthenwritedownasmanyasyoucanremember.734964834127622938937497

Howisyourmemory?morethan9,7-8,4-6,lessthan32Beforeyoustart:Completethesentenceswiththefollowingwords.atom,billion,cell,nervecell,organ,function,sight,hearing,fear3atom,billion,cell,nervecell,organ,function,sight,hearing,fear1.Theeyesaretheorgansof

.2.Howmany

arethereintheuniverse?3.Humantissue(组织)ismadeupof

.4.Theliverisan

andsoistheheart.5.ThepopulationofChinareachesupto1.3

.sightatomscellsorganbillion4atom,billion,cell,nervecell,organ,function,sight,hearing,fear6.The

oftheheartistopumpbloodthroughthebody.7.A

isatinypartofthebodythathelpscarrymessagestoandfromthebrain.8.Hewillfinishthejobwithout

ofhardshipordeath.functionnervecellfear5ListeningStrategies:Completingatext1Beforeyoulisten,readthetextandpredict

whatkindofinformationyouneed.2Underlinesomeimportantwordsinthetextbeforeeachgap(空格).3Whileyouarelistening,listenfortheseimportantwords–theinformationyouneedshouldfollowthem.4Youcancompletethegapsusing

abbreviations(简写)–savetime,thenwritetheminfull.6Importantword(s)andourpredictionsForexample:1.consistofacolor2.weighs

howheavy?(number)3.energy

howmuch?(number)4.containhowmany\much?(number)7Importantword(s)beforeeachgap:1.consistof6.areresponsiblefor2.weighs7.controlling3.energy8.signals4.contain9.emotions5.more…than…10.own(language)8Listening:Listentothesciencelesson.UsethestrategiestocompletethegapsinEx2.9Listening:1Listenforthefirsttime:getageneralidea.Don’thurrytowritedownyouranswers.2Listenagain:writedownyouranswersandcheckwithyourpartners.3Listenforthelasttime:checkyouranswersagainandmakesuretheyareright.10Listening:Remember,youmayneedmorethanonewordineachgap.11Checkyouranswers:1.white2.justoverakilo3.20℅

4.100billioncells5.atomsintheuniverse6.differentfunctions7.sightandhearing8.allthetime9.fear10.foreign12Achallenge:Lookatthefollowingwordsforabouttwominutesandthenwritedownasmanyasyoucanremember.Trytofindouttheirrelationship.(Ithelpsyoutorememberbetter.)13chewdigestionnormalworldgumgetthroughcurepullthroughfamoussugar-freeabnormaldigestivecancerputoffsevereflyingpostponegothroughmachinedigest14chewdigestionnormalworldgumgetthroughcurepullthroughfamous