2020-2021学年新教材英语外研版（2019）必修第二册学案：UNIT 6 EARTH FIRST PERIOD 1 WORD版含解析.docx

1、Period 1Starting out & Key words学案设计学习目标1.To get the main information of the cartoons by watching and thinking.2.To describe the cartoons and express your own opinions about the environmental pollution.3.To get the meanings and usage of key words in the language context.课堂探究Step 1:Lead-inLook at the

2、 cartoons on Page 61 and answer the following questions.1.What environmental problem does each cartoon refer to?2.What are the causes of these problems?3.What do you think is the most serious environmental problem we face today?What should be done to help solve it?Step 2:Exchange ideas with each oth

3、er in groupsStep 3:BrainstormPlease make a list of the words related to environmental problems and solutions to them.Step 4:Remember the following wordsA.Match the words with meanings(1)shark(1)v.使(某人)惊恐,吓唬(2)scare(2)n.鲨(鱼)(3)dive(3)n.灭绝,绝种(4)target(4)v.致力(5)extinction(5)n.残酷;残暴(6)highlight(6)v.(通常指

4、使用呼吸设备的)潜水(7)cruelty(7)v.把作为目标(8)hunting(8)v.建立(9)damage(9)n.干旱,旱灾(10)affect(10)v.使恢复(11)adopt(11)v.(使)漏,(使)渗漏(12)reusable(12)v.使突出,使注意力集中于(13)release(13)v.搬走,移走,去掉(14)campaign(14)v.竭力主张,强烈要求,敦促(15)fog(15)adj.可再度使用的,可多次使用的(16)infection(16)adj.焦急的;担忧的(17)sustainable(17)v.促成,造成(某事发生)(18)contribute(18)

5、v.破损;损害(19)reserve(19)n.雾(20)fin(20)v.切去(鱼的)鳍 n.鱼鳍(21)drought(21)v.影响(22)restore(22)n.(宣传)活动(23)leak(23)v.释放,排放(24)remove(24)n.感染,传染病(25)devote(25)adj.可持续的,不破坏环境的(26)concerned(26)n.(野生生物)保护区(27)urge(27)v.采取(某种方法)(28)establish(28)n.打猎;狩猎B.根据释义写出单词1. A feeling or an opinion about something or someone2

6、. A situation in which a particular type of animals or plants dies out3. A sudden feeling of fear or worry4. Because of;as a result of5. Jump into water or swim underwater6. A large fish that has sharp teeth and a fin on its back7. By good luck8. An aim or a goal that you are trying to achieve9. Set

7、 up;found10. Worried;anxious11. Move;get rid of12. Try to persuade sb.to do sth.13. Allow (a person or an animal) to go;set free14. Have an effect onStep 5:Learn the key words1.scare v.使(某人)惊恐,吓唬【词形变化】adj.scary可怕的;骇人的scared恐惧的【短语搭配】scare sb.away/off 把吓跑scare sb.into doing sth.恐吓、威胁某人做某事【即学即练】(1)You

8、cant scare me telling you anything.(2)Jeff had hunted in Iowa before Thanksgiving with his dog,Rosie,but the gun shots had scared the dog .2.target v.把作为目标【一词多义】n.目标;对象【短语搭配】target sth.on/at sb./sth.把某物瞄准某人/某物be targeted at目标是;面向a target for.的目标【即学即练】(1)Who were the newspapers of the new trend targe

9、ted ?(2)我所说的话并非针对你。3.devote v.致力,献身【词形变化】 n.devotion 献身;热爱【短语搭配】devote ones time/energy/attention to sth.把某人的时间、精力、注意力用于某事devote oneself to sth.致力于某事be devoted to (doing) sth.致力于(做)某事【即学即练】(1)Neighbours devoted their spare time to (help) others rebuild.(2)However,instead of (致力于) their work,they fin

10、d themselves working to support the lifestyle to which they have so quickly become accustomed.4.reduce v.减少【词形变化】 n.reduction减少【短语搭配】reduce sth.by把某物减少了(幅度)reduce sth.from.to.把某物从减少到【即学即练】(1)The number of cities producing CO beyond the standard (从40减少到9).(2)Consumption (减少了25%),compared to that last

11、 year.5.account n.账户;账单【一词多义】v.认为是;视为【短语搭配】take.into account把考虑在内account for是的原因;解释;说明;占(一定数量或比例)on account of 由于;因为on no account绝不;绝对不【即学即练】(1) When you are making a plan,you should (把天气考虑在内).(2)The professor warned the students that (绝不) should they use mobile phones in his class.(3)It is said tha

12、t body language (占) 55% of a first impression while what you say just 7%.6.urge v.强烈要求;敦促【一词多义】n.冲动【短语搭配】urge sb.to do sth.力劝/敦促某人做某事urge sb.into/towards.驱赶某人,把某人赶进【即学即练】(1)I never felt (冲动) to learn any sign language before.(2)很多学生被敦促努力学习。7.concerned adj.焦急的;担忧的【词形变化】 v./n.concern担忧;关心【短语搭配】be conc

13、erned about.对担心be concerned with.与有关;涉及as far as sb.be concerned就而言;在看来【即学即练】(1)Others (担心) using gardening methods that require less water and fewer fertilizers(肥料).(2)你的文章需与环境保护有关。8.contribute v.促成;造成【词形变化】 n.contribution贡献;捐款【短语搭配】contribute.to/towards.向捐献contribute to.导致/造成某事发生make a contributio

14、n to.对做出贡献【即学即练】(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。Step 6:Reflection on what students have learned in this classPlease write a short paragraph about “How to deal with air pollution” according to what you have learnt in this class.(About 50-80

15、words)课后练习Polish the paragraph.Teammates work together to correct the mistakes in the use of words and grammar.参考答案课堂探究Step 11.water pollution;deforestation;air pollution;global warming2.Students own answers3.Students own answersStep 3(1)global warming(2)climate change(3)overpopulation(4)waste dispo

16、sal(5)loss of biodiversity(6)take effective measures to do(7)pass laws(8)put a ban on(9)attach importance toStep 4A.略B.1.attitude2.extinction3.scare4.due to5.dive6.shark7.fortunately8.target9.establish10.concerned11.remove12.urge13.release14.affectStep 51.(1)into(2)away/off2.(1)on/at(2)What I said d

17、idnt target you.3.(1)helping(2)devoting themselves to4.(1)is reduced from 40 to 9(2)is reduced by 25%5.(1)take weather into account(2)on no account (3)accounts for6.(1)the urge(2)Many students are urged to study hard.7.(1)are concerned about(2)Your essay should be concerned with environmental protection.8.(1)to/towards(2)Peoples behaviors contribute to environmental pollution.