Unit 6 Earth first Starting out and key words（ppt课件）-2022新外研版（2019）《高中英语》必修第二册.pptx

1、Unit 6 Earth first Starting out and key wordslearning objective1.get the main information of the cartoons by watching and thinking.2.describe the cartoons and express my own opinion about the environmental pollution3.get the meanings and usage of key words in the language context.What environmental

2、problem does each cartoon refer to?water pollutiondeforestation滥伐森林air pollutionglobal warmingStep I:lead-in Enjoy the cartoons on P61 and answer the following questions.1.What environmental problem does each cartoon refer to?_ 2.What are the casues of these problems?_ 3.What do you think is the mos

3、t serious environmental problem we face today?What should be done to help solve it?_water pollution;deforestation;air pollution;global warmingStudents own answersStudents own answersUseful expressions:ignore;cause/lead to;peoples awareness of environmental protection;invest;recycle;classification of

4、 waste;green energy.Step II:Exchange ideas with each other in groups Step III:Brainstorming Please make a list the words related to environmental problems and solutions to them.列举分类：Protect the earth:(保护地球)Damage the earth(破坏地球)Natural environment:(自然环境)Natural disasters(自然灾害)学案词汇答案011.scare v._ adj

5、.scary 可怕的；骇人的 sacred对.感到恐惧的 短语：scare away/off把.吓跑；scare sb.into doing sth.恐吓、威胁某人做某事情景演练：(1)You cant scare me _ telling you anything.(2)Jeff had hunted in Iowa before Thanksgiving with his dog,Rosie,but the gun shots has scared the dog_.2.target v._ n._ 短语：target sth.on/at sb./sth.把某物瞄准某人、某物 be tar

6、geted at目标是；面向 a target for.的目标情景演练：Who were the newspapers of the new trend targeted_?(1)我所说的话并非针对你_使（某人）惊恐；吓唬intoaway把.作为目标目标；对象onWhat I said didnt target you.3.devote v._ n._短语：短语：devote ones time/energy/attention to sth.把某人的时间、精力、注意把某人的时间、精力、注意力用于某事力用于某事 devote oneself to sth.;be devoted to(doin

7、g)sth.致力于（做致力于（做)某事某事情景演练：情景演练：(1)Neighbours devoted their spare time to_(help)others rebuild.(2)However,instead of_(致力于致力于)their work,they find themselves working to support the lifestyle to which they have so quickly become accustomed.4.reduce v._ n._短语：短语：reduce sth.by减少了（幅度减少了（幅度)reduce sth.from

8、.to.把某物从把某物从.减少到减少到.情景演练：情景演练：(1)The number of cities producing CO beyond the standard _.(从从40减少到减少到9）(2)Consumption_(减少）减少）25%,compared to that last year.致力，献身devotionhelpingdevote themselves to减少reductionis reduced from 40 to 9is reduced by 5.take.into account _短语：短语：account for是是.的原因；解释；说的原因；解释；说

9、明；占（一定数量或比例明；占（一定数量或比例)on account of 由于；因为由于；因为 on no account绝不绝不情景演练：情景演练：(1)When you are making a plan,you should_.(把天气考虑在内把天气考虑在内)(2)The professor warned the students that_(绝不绝不)should they use mobile phones in his class.(3)It is said that body language _(占占)55%of a first impression while what yo

10、u say just 7%.6.urge v._ n._短语：短语：urge sb.to do sth.力劝、敦促某人力劝、敦促某人做某事做某事 urge sb.into/towards.驱赶某人、把某人赶进驱赶某人、把某人赶进情景演练：情景演练：(1).I never felt_(冲动冲动)to learn any sign langauge before.(2)很多学生被敦促努力学习。很多学生被敦促努力学习。_把.考虑在内take weather into accounton no account accounts for强烈要求；敦促冲动the urge017.concerned adj

11、._ v./n._ 短语：短语：be concerned about.对对.担心担心 be concerned with.与与.有关；涉及有关；涉及 as far as.be concerned 就就.而言；在而言；在.看来看来情景演练：情景演练：(1)Others_(担心担心)using gardening methods that require less water and fewer fertilizers(肥料肥料).(2)你的文章需与保护环境有关。你的文章需与保护环境有关。_8.contribute v._ n._短语：短语：contribute.to/towards.向向.捐献捐

12、献 contribute to.导致、造成某事发生导致、造成某事发生 make a contribution to.对对.做出贡献做出贡献(1)We are not saying that everyone needs to contribute their lives_ the poor.(2)人们的行为导致了环境污染。人们的行为导致了环境污染。_焦急的；担忧的concernare concerned aboutYour essay is concerned about environmental pollution.促成；造成contributionto/towardsPeoples be

13、havior contributes to environmental pollution.Reflection on what students have learned in this class Please write a short paragraph about“How to deal with air pollution”according to what you have learnt in this class.(About 5080 words)HomeworkPolish the paragraph.Teammates work together to correct the mistakes in the use of words and grammar.