RevisionReadthewordsandexpressionswelearntlastclasstogether.Howistheweathertoday?It’ssunnyandhot.What’stheweatherliketoday?It’scloudyLeadinWeathersnowrainshowerwindcloudstormsunnycloudyrainysnowywindystormyshowerysuncoolwarmcoldhotcloudysnowysunnyrainywindyfreezingspring春天summer夏天autumn秋天winter冬天hotcloudyrainyhotcoldsnowyfreezingwarmwindyhotdrywetWhatisthedifferencebetweenclimateandweather?•Climatereferstoarelativelystableclimaticconditioninaplaceforalongtime,includingcloudyandsunny,wetanddry,windyandrainyandsoon;thewhetherreferstoaparticulardayoftheweather.气候指一个地方长期的较为固定的气候状态,包括阴晴、干湿、风雨等情况在内;而天气则指某特定日子的天气情况。ReadingstrategyExpositionStructureMainBodyFastReadingFindoutthemainideaofthetext.Itistruethatmanchangeshislivinghabitsinordertoadjusttoclimatechangesaswell,thoughmoreslowly.CarefulReadingReadparagraph1-3.Itisthoughtthatdifferencesinskincoloraretheresultofclimateadaptation.1.Howisclimaterelatedtothecolorofhumanskin?Man’ssizeManhasbeenonearthaboutonemillionyears.Hehasmanagedtoliveoneverypartoftheplanet,eventhoughsomeclimateshavemadelifemoredifficultthanothers.Wheremanhasremained,heapparentlyhasundergonesomephysicalchangesthathavehelpedhimadapttohisclimate.Itisthoughtthatdifferencesinskincoloraretheresultofclimaticadaptation.Peoplefromhotclimatesgenerallyhaveburningblackorbrownskin.Thelightestskinnedpeoplegenerallycomefromcolderregions.Man’ssizealsoseemstovaryaccordingtoclimate.Peoplelivingincolderregionsaregenerallylargerthanthoselivinginhotterones.climatePhysicalchangesSkincolorMan’ssizeadaptHowdoesclimateaffectpeople’slife?Readlistenfinddiscuss1.Howisclimaterelatedtothecolorofhumanskin?Itisthoughtthatdifferencesinskincoloraretheresultofclimateadaptation.不同的肤色被认为是适应不同气候的结果。1.Howisclimaterelatedtothecolorofhumanskin?Itisthoughtthatdifferencesinskincoloraretheresultofclimateadaptation.不同的肤色被认为是适应不同气候的结果。Man’ssize2.Whyarepeoplelivingincolderregionsbigger?Becausebigpeoplehavelessskincomparedtohisweightthandosmallpeople.Thelessskinapersonhasrelativetohisweight,theeasieritisforhimtokeepwarm.因为个子大的人的皮肤与其体重相比较比个子小的人要少一些。相对于其体重,一个人的皮肤越少就越容易保暖。LanguagePoints1.size2.explain3.veryvary4.fact5.comparedto6.lesslittleleast7.weighweight8.relativeto9.the比较级…the比较级10.???2.Whyarepeoplelivingincolderregionsbigger?Becausebigpeoplehavelessskincomparedtohisweightthandosmallpeople.Thelessskinapersonhasrelativetohisweight,theeasieritisforhimtokeepwarm.因为个子大的人的皮肤与其体重相比较比个子小的人要少一些。相对于其体重,一个人的皮肤越少就越容易保暖。3.Howdoesclimateaffectpeople’sactivities?Climatehassignificanteffectonagriculture.Climatefactorssuchasthelengthofthegrowingseason.Thetotalamountofrainfall,andthedailyandseasonalchangesintemperaturerestrictthekindsofcropsthatcanbegrown.LanguagePoints1.naturalnature2.affecteffect3.humanMan4.activity5.significant6.factfactor7.longlength8.rainfallsnowfall9.restrictstrict10.climaticfactors???3.Howdoesclimateaffectpeople’sactivities?Climatehassignificanteffectonagriculture.Climatefactorssuchasthelengthofthegrowingseason.Thetotalamountofrainfall,andthedailyandseasonalchangesintemperaturerestrictthekindsofcropsthatcanbegrown.4.howdoesclimateaffecttransportation?Climatealsoaffectstransportation,suchasthefrequentstormscanmaketransportationslowdownorinterruoted.LanguagePoints1.transportation2.frequent3.stormstormy4.interrupt5.Airtravel6.freezefrozn7.blockBeblockedby8.impossablepossable9.Be+过去分词???4.howdoesclimateaffecttransportation?Climatealsoaffectstransportation,suchasthefrequentstormscanmaketransportationslowdownorinterruoted.Canweaffecttheclimate??天气战争Homework•Finishtheexerciseonpage122•Writeashortpassageaboutclimate•Readandtrytorecitethetext.