1、 Unit 10 climate and peoples life RevisionRead the words and expressions we learnt last class together.How is the weather today?Its sunny and hot.Whats the weather like today?Its cloudyLead inWeather snowrainshowerwindcloudstormsunnycloudyrainysnowywindystormyshowerysuncloudyshoweryfreezingSnowyrain
2、yStormy wetwindysunnycooldry多云的多云的阵雨的阵雨的冰冻的，严寒的冰冻的，严寒的下雪的下雪的湿的湿的多风的多风的阳光充足的阳光充足的凉爽的凉爽的干燥的干燥的多雨的多雨的暴风雨的暴风雨的描述天气的形容词:cool warmcold hotcloudysnowysunnyrainywindyfreezingspring 春天summer 夏天autumn 秋天winter 冬天hotcloudyrainyhotcold snowyfreezingwarmwindyhotdrywetWhat is the difference between climate and we
3、ather?Climate refers to a relatively stable climatic condition in a place for along time,including cloudy and sunny,wet and dry,windy and rainy and so on;the whether refers to a particular day of the weather.气候指一个地方长期的较为固定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在内；而天气则指某
4、特定日子的天气情况。况。Reading strategyExpositionStructureIntroductionMain BodyConclusionFast ReadingFind out the main idea of the text.It is true that man changes his living habits in order to adjust to climate changes as well,though more slowly.Careful ReadingRead paragraph 1-3.It is thought that differences
5、 in skin color are the result of climate adaptation.1.How is climate related to the color of human skin?Mans size Man has been on earth about one million years.He has managed to live on every part of the planet,even though some climates have made life more difficult than others.Where man has remaine
6、d,he apparently has undergone some physical changes that have helped him adapt to his climate.It is thought that differences in skin color are the result of climatic adaptation.People from hot climates generally have burning black or brown skin.The lightest skinned people generally come from colder
7、regions.Mans size also seems to vary according to climate.People living in colder regions are generally larger than those living in hotter ones.climatePhysical changesSkin colorMans sizeadaptHow does climate affect peoples life?Read listen find discuss 1.How is climate related to the color of human
8、skin?It is thought that differences in skin color are the result of climate adaptation.不同的肤色被认为是适应不不同的肤色被认为是适应不同气候的结果。同气候的结果。Team work(who is the best?)Group 1GroupGroup 2Group 3Group 3？Language PointsLanguage Points1.differentdifference2.Skin color3.result4.climateclimatic5.5.adaptadaptationadaptat
9、ion6.resist7.exposure to8.regionarea9.burning blackburning ray10.Skin color?1.How is climate related to the color of human skin?It is thought that differences in skin color are the result of climate adaptation.不同的肤色被认为是适应不不同的肤色被认为是适应不同气候的结果。同气候的结果。Mans size 2.Why are people living in colder regions
10、bigger?Because big people have less skin compared to his weight than do small people.The less skin a person has relative to his weight,the easier it is for him to keep warm.因为个子大的人的皮肤与其体重相比较比个子小的人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要少一些。相对于其体重，一个人的皮肤越少就越容易保暖。易保暖。Language PointsLanguage Ppa
11、red to6.6.lesslittle leastlittle least7.weighweight8.relative to9.the 比较级比较级the 比较级比较级10.?2.Why are people living in colder regions bigger?Because big people have less skin compared to his weight than do small people.The less skin a person has relative to his weight,the easier it is for him to keep
12、warm.因为个子大的人的皮肤与其体重相比较比个子小的人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要少一些。相对于其体重，一个人的皮肤越少就越容易保暖。易保暖。3.How does climate affect peoples activities?Climate has significant effect on agriculture.Climate factors such as the length of the growing season.The total amount of rainfall,and the daily and
13、seasonal changes in temperature restrict the kinds of crops that can be grown.Language PointsLanguage Points1.naturalnatureeffect3.humanMan4.4.activity5.significant5.significant6.factfactor7.longlength8.rainfallsnowfall9.restrictstrict10.climatic factors?3.How does climate affect peoples activities?
14、Climate has significant effect on agriculture.Climate factors such as the length of the growing season.The total amount of rainfall,and the daily and seasonal changes in temperature restrict the kinds of crops that can be grown.4.how does climate affect transportation?Climate also affects transporta
15、tion,such as the frequentstorms can make transportation slow down or interruoted.Language PointsLanguage Points1.transportation2.frequent3.stormstormy4.interrupt5.Air travel6.freezefroznfrozn7.blockBe blocked by8.impossablepossable9.Be+过去分词过去分词？4.how does climate affect transportation?Climate also affects transportation,such as the frequentstorms can make transportation slow down or interruoted.Can we affect the climate?天气战争Home work Finish the exercise on page 122 Write a short passage about climate Read and try to recite the text.
