Unit 6 Earth first Developing ideas 课件-高中英语外研版（2019）必修第二册

DevelopingideasUnit6EarthFirstWhatisreallygreen?Lookatthequestionsabout“greenliving”andtickyouranswers.Pre-readingItdepends.看情况而定。

Readthesubheadingsinthetext,doyouthinkaretheyrightornot?Fast-reading?Papershoppingbagsare

betterthanplasticones.?Whenyouturnoffadevice,itstopsusingpower.?Eatinglocalfoodisgoodfortheenvironment.?It’sbettertotakeashowerthanabath.Assubheadingsexpandonthemainheadingortitle,theycanbeslightlylongerthanthemainheading.Althoughnoteveryparagraphneedsasubheading,theycanbeskimmedtogivethereaderanoverallunderstandingofthecontentofatext.learningtolearnLookatthetitle,subheadingsandillustrations:Fast-readingWhat’sthepassageabout??Papershoppingbagsare

betterthanplasticones.?Whenyouturnoffadevice,itstopsusingpower.?Eatinglocalfoodisgoodfortheenvironment.?It’sbettertotakeashowerthanabath.What‘sreallygreen?Itmainlytalkaboutthetrulygreenlifestyle.Readthesubheadingsinthetext,doyouthinkaretheyrightornot?Fast-reading?Papershoppingbagsare

betterthanplasticones.However,makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.Theprocessalsoproducesmoregreenhousegases.×False.Readthesubheadingsinthetext,doyouthinkaretheyrightornot?Fast-reading?Whenyouturnoffadevice,itstopsusingpower.Whenweturnoffadevice,suchastelevision,itgoesintostand-bymode.Devicesinthismodestillusepower,andolderdevicesinstand-bymodecanuseevenmore.×False.Readthesubheadingsinthetext,doyouthinkaretheyrightornot?Fast-reading?Eatinglocalfoodisgoodfortheenvironment.Insomecases,localproducemighthaveusedmoreenergyandproducedmoregreenhousegasesthanproducegrownalongwayaway–eventakingintoaccountitstransport.×False.Itdepends.Readthesubheadingsinthetext,doyouthinkaretheyrightornot?Fast-reading?It’sbettertotakeashowerthanabath.Itdependsonhowlongyouspendintheshowerandhowlargeyourbathis.Ifyouspendmorethaneightminutesinashower,you’lluseasmuchwaterasinabath–about50litresofwater.×False.Itdepends.Readtheeffectandcompletethecausesoftheseaccordingtothepassage.Careful-readingDevicesturnedoffgointostand-bymodeandstillusepower.Localproducesometimesmightusemoreenergyandproducemoregreenhousegasesthanproducegrownalongwayaway–eventakingintoaccountitstransport.Ifyouspendmorethaneightminutesinashower,you’lluseasmuchwaterasinabath–about50litresofwater.Whatsuggestionsdidtheauthorgivetothe4false“greentruth”?Careful-readingSubheadingsSuggestions×

Papershoppingbagsare

betterthanplasticones.×

Whenyouturnoffadevice,itstopsusing

power.×Eatinglocalfoodisgoodfortheenvironment.×

It’sbettertotakeashowerthanabath.Takeareusablebagwithyouwhenyougoshopping.Removetheplugfromitspowersupply.Taketheproductionoffoodintoaccount.Keepyourshowertimeasshortaspossible.What’sreallygreen?Part1:introduction

Part2:mainbodyPart3:conclusiongreentruth1greentruth2greentruth3greentruth4ThestructureofthepassageWhatcanyoudotobecome“greener”?Learnmoreaboutsustainableliving.Removetheplugfromits