黄石市有色一中柳鹂.ppt

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1、 Unit 4 Global warming-Learning about language 黄石市有色一中 柳鹂 CompetitionGlobal warmingPositive effectsNegative effectsPossible meaningsword which used n.a general tendency in the way a situation is changingv.to start doing something that everyone copiesv.to make something(especially something bad)incre

2、asen.a substance that can be burned to make heat or energy Find the words in the text that have these two meanings.Take notice of the meaning used in the reading passage,write the words and mark their usage in the chart.t_f_Possible meaningsword which used n.the physical or mental condition of someo

3、ne v.to formally say or write some information or an opinionv.to use time,energy,goods,ectv.(formal)to eat or drink somethingv.to look quickly at someone or something v.to read something very quicklys_c_g_Possible meaningsword which used n.a general tendency in the way a situation is changingv.to st

4、art doing something that everyone copiesv.to make something(especially something bad)increasen.a substance that can be burned to make heat or energy Find the words in the text that have these two meanings.Take notice of the meaning used in the reading passage,write the words and mark their usage in

5、the chart.trendfuel12Possible meaningsword which used n.the physical or mental condition of someone v.to formally say or write some information or an opinionv.to use time,energy,goods,ectv.(formal)to eat or drink somethingv.to look quickly at someone or something v.to read something very quicklystat

6、econsumeglance2211.Information collected to be examined and considered and used to help decision-making2.to continue doing something without stopping 3.the amount or number of something,especially that can be measured or is fixed4.to finish,use or sell all of something,so that there is none left5.an

7、 increase,especially one that is gradual and steady6.a sudden event that causes very great trouble or destruction7.to happen,or start to happenkeep oncatastrophedatabuild upquantities come about Go over the new words and phrases in the previous sections.Then complete each sentence with one of those

8、new words or phrases.run out8.a result of a particular action or situation,often one which is bad or not convenient9.something that exists and can be seen,felt,tasted,etc.,especially something whichis unusual or interesting10.a picture which shows how two sets ofInformation or variable amounts are r

9、elated,usually by lines or curves11.used when expressing rates,prices or measurements to mean for each12.even though13.to cause a particular situation to happenconsequencephenomenongraphresult ineven ifperper quantities graph build up catastrophe run out come about data consequence phenomenon kept o

10、n even if result in1.Charles Keeling collected _on the carbon dioxide content in the atmosphere over a forty-year period.He found that the amount of carbon dioxide _ increasing during that time.2.Although we are burning coal in huge _ every year,we wont _ of it for centuries.3.If the amount of green

11、house gases continues to _ we could be facing a global _.4.Many scientists believe that global warming has _through the burning of fossil fuels.5.The _ of a rising sea level would be widespread flooding.datakept onquantitiesrun outbuild upconsequencecome aboutcatastrophe6.On the whole the warming of

12、 the earth is a _ that causes great concern.7.The _ shows temperature changes during the 20th century.8.One hectare of forest can absorb 23 tons of carbon dioxide _ year.9.The washing machine uses too much energy,but _ we buy a more economic one,it would still use too much water.10.The car accident

13、on the main road yesterday_ one drivers death.phenomenonresulted inpereven ifgraphper quantities graph build up catastrophe run out come about data consequence phenomenon kept on even if result in Discussion about whether your family should buy a private car or not (Group work).reference words and e

14、xpressionsconsume random fuel environmental advocate data tend pollution growthgo up result in be due tocome aboutThere is no doubt thaton one hand on the other handOur earthOur futureJust save it!HomeworkWrite a short passage about whether your family should buy a private car or not to the 21st Century.Take a break!