Unit 3 Environmental Protection Reading and Thinking （教学课件+含视频）-高中英语人教版选择性必修第三册.pptx

U3

EnvironmentalProtection

Readingandthinking

Earthprovidesenoughtosatisfyeverymansneeds,butnot

everymansgreed.

—MohandasK.Gandhi

地球所提供的物质财富足以满足每个人

的需求，却不足以满足每个人的贪欲。

1.Whatcanyouseeinthe

picture?

Alargepieceoficebreaking

offalargeglacieroricesheet.

2.Whatisthecauseofthis

phenomenon?

solkty

bunet

Whatcausedthepolarbearsoskinny?

Whydidtheysufferfromstarvationorevenstarvetodeath?

0

-0.2

-0.4Thetemperatureoftheglobalsurfaceroseabout1.2Cfrom1920to2016.

Theearthisbeccomingwarmerandwarmer.

GlobalSurfaceTemperature:1920-2016BasePeriod

1.2

1

0.2

warming

6lobal

theriseofsealevel

unpredictablefutureof

human

coastalcities

submerged

Globalwarming

economic

losses

Whatconsequencessmayglobalwarmingbringabout?

natural

disasters

extremeweather

animals

dying

Whatdoyouknowaboutglobalwarming?

ClimateChangeRequires

theWorldsAttention

Whataspectsareincludedinsuchanessay?

Whatsthegenreoftheessay?

graphsandcomefrom

Part1

(para.1-4)

Theconsequencesoftheriseintemperature

Part2

Thecauseoftheincreaseintheglobalaveragesurface

(para.3)

temperature

Part3

(para.4)

Thesolutionstoreducinggreenhousegasemissions

Part4

Thelevidenceofdramaticclimatechangethathadan

(para.5)

impactonEarthsecology

Findoutthetopicsentenceofeachparagraph.

LIMATECHANGEREQUIRESTHEWORgreenhouseeffectreferstothefactthatheatfromthesunenterstheatmosphereandwarms

Wehaveknownaboutclimatechangefordecades.ThereislittiedoubtthatEarthisgetingEarthssurtaceasshor-waveradiaton.Theheatisreleasedbackintospaceatlonger

warmerandwarmer(seethegraph)Awarmingoceanandatmospherealongwithmeltinaicewavelengths.Greenhousegasesintheatmosphere,suchasmethaneandcarbond