unit6 developing ideas（ppt课件） (共37张PPT)-2022新外研版（2019）《高中英语》必修第三册.pptx

1、Unit 6 Earth first Developing ideas（P68-P71）新标准新标准英语英语高中必修第二册高中必修第二册Learning objectives By the end of this period,you will be able to 1.understand the main idea and structure of the passage 2.understand and remark some opinions in daily life so as to give some advice.3.share your own persuasive lett

2、er;4.think and share the meaning of protecting the earthlow-carbon lifestylePre-reading1 Which shopping bag is more environmentally friendly?口A plastic bag.口A paper bag.口Neither of these.2What should you do to save energy when leaving your home?口Turn off a device.口Unplug a device.口Neither of these.A

3、ctivity 1 Look at the questions about“green living”and tick your answers.3What food is better for the environment?口Food produced near to where you live.口Food produced far from where you live.口It depends.4Which uses less water?口Taking a bath.口Taking a shower.口It depends.1.Whats the meaning of“green”i

4、n the title?Green truth/green living 2.Where can it appear?A.Newspaper B.Magzine C.Novel editorial(社论)3.Please map the structure of the passage in general.4.What are your answers to the 4 subtitiles?Question/introductionBodyConclusionScanning Activity 2 intensive reading Read the subheadings in the

5、passage and decide if they are true or false.the truth 1.2.3.4.Paper shopping bags are not good for the environment.Turn off a device wont stop it from using power.Eating local food isnt always better for the environment.Its not always better to take a shower than a bath.Causeadvice4 times3 timesmor

6、eA reusablebagstill useeven moreRemove the plugMore energyMore greenhouse gases8 mimutes50 litresshortSummary 祈使句 You should/had better/are supposed to/may as well+动词原形 Its better/a good idea to do It would be better if you could Its suggested that you shoud+动词原形 Its high time that you did 你最好在购物的时候

7、拿一个可以重复使用的袋子 You had better take a reusable bag when you go shopping.Its a good idea to do take a reusable bag when you go shopping.表建议的句型Sentences 1.It takes hundreds of years for plastic to break down,but much less time for paper.2.However,making a paper bag uses four times as much energy as makin

8、g a plastic bag and up to three times the amount of water.3It is the production of food,not its transport，that uses most of the energy and produces most of the greenhouse gases.4.It depends on how long you spend in the shower and how large your bath is.5.But its worth checking common ideas and opini

9、ons to see whats really green.1.It takes hundreds of years for plastic to break down,but much less time for paper.塑料需要花上百年的时间分解，但纸分解花费的时间要少得多。句型结构 It takes some time for sb./sth.to do sth.某人/物花多少时间做某事 句式仿写 昨天他修自行车用了一个小时。It took one hour for him to repair his bike yesterday.2.However,making a paper b

10、ag uses four times as much energy as making a plastic bag and up to three times the amount of water.然而，制造一个纸袋消耗的能源是制造一个塑料袋消耗的能源的四倍，消耗的水也多达三倍。句型结构 倍数表达法：A是B的倍 A动词倍数 as much/many(n.)as+B A动词倍数+比较级 than +B A动词倍数+the(size/length/width/height/weight/number/amount)+B 他拥有比你多五倍的书。He has five times as many b

11、ooks as you.据我所知，这个城市是那个城市的三倍大。As far as I know,the city is three times as large as that one.As far as I know,the city is three times larger than that one.As far as I know,the city is three times the size of that one.3It is the production of food,not its transport，that uses most of the energy and pr

12、oduces most of the greenhouse gases.【翻译】是食物的生产，而不是食物的运输，使用了大量的能源，产生了大量的温室气体。【句式分析】这是一个强调句。强调的是主语“the production of food,not its transport”。【点津】强调句的基本句型陈述句:It is/was+被强调部分+that/who+句子其他部分。一般疑问句:Is/Was it+被强调部分+that/who+句子其他部分特殊疑问句:疑问词+is/was+it+that+句子其他部分not.until.结构的强调句型:It is/was not until.that.【即

13、学活用】句型转换(1)We cancelled our picnic because it was raining outside.(强调原因状语从句)_It was because it was raining that we cancelled our picnic.(2)He didnt finish his homework until 10 oclock last night.(not until 的强调句型)_It was not until 10 oclock that he finished hishomework last night.4.It depends on how

14、long you spend in the shower and how large your bath is.这要看你洗淋浴花多长时间，你的浴盆有多大。介词宾语从句介词宾语从句(wh-)句式仿写这都取决于你如何处理这个问题It all depends on how you handle the problem.句型结构5.But its worth checking common ideas and opinions to see whats really green.但看看什么是真正的绿色，检查一般的想法和看法是很值得的，be worth doing 值得做这部电影值得一看。The fil

15、m is worth seeing.句型结构句式仿写一句多译这个想法很值得考虑。This idea is well worth _.This idea is worthy _.This idea is worthy _.It is worthywhile _ consideringto be consideredof being consideredto consider the ideaconsidering the idea6.In some cases,local produce might have used more energy and produced more greenhou

16、se gases than produce grown a long way away-even taking into account its transport.producev.产生,引起；生产,创作；出产,生育；监制,制作n.【u】农产品 farm produce【辨析】produce，product 和production produce【u】农产品 farm produceproduct 【c】/【u】表 示“产品”，【c】产物，结果production 【u】指“生产”过程和动作本身。【u】产量1.Giving sometimes produces nice results.2.

17、He had a cow which produced milk every day.3.In the last few years,thousands of films have been produced all over the world.4 Farmers brought their _(produce)to town early each Saturday morning.5.The report was the _(produce)of 4 years hard work.6.As a result of Yuan Longpings discoveries Chinese ri

18、ce _(produce)rose by 47.5 percent in the 1990sproduceproductionproductPhrases:1_majority of 大多数 2take _ to do sth.采取措施做3mistake._.把误认为4break _分解；发生故障；失败；衰弱 5turn _ 关上 6._ stand-by mode 在待机状态7.remove _.把从移除8_ some cases 在某些情况下9take._ account 把考虑进去10depend _ 依赖，依靠thestepsfordownoffinfrominintoon1.当我们做

19、演讲时，我们必须把听众考虑进去We must take the audience into account when making speeches.2.人们经常把我错认为是我的姐姐LilyPeople often mistake me for my sister Lily.3.这台机器在最繁忙的时刻瘫痪了。The machine broke down at the busiest hour.4.他的健康在工作压力下垮掉了His health broke down under the pressure of work.Translation:Writing a persuasive lette

20、rActivity 5 Read the letter and answer the questions1 What is the purpose of the letter?To call on everyone to take part in the Clear Your Plate campaign2 What is the existing problem?Over 30%of the worlds food is wasted,while many people in poor areas do not have enough to eat.3 What are the propos

21、ed actions from Class 8?3 pieces of adviceIt urges people to save food by not wasting anything倡议信的目的此次活动的目的发出倡议的原因发出具体倡议总结倡议呼吁第一段第二段第三段 话题词汇句型积累 I表达目的.1.call on 号召 2.appeal to 呼吁，恳请 3.take part in/participate in/be involved in 参加 take an active part in.积极参加 4.raise your awareness of 提升意识 5.focus on/

22、attach importance to/pay attention to 关注，重视 6.take action/steps/measures采取措施II表达问题原因The reason why the environment is polluted is that we dont attach great importance to it.环境污染的原因就是我们没有重视环境问题。We are concerned that materials will be used up soon.我们担心不久能源将会被耗尽。Now people in growing numbers are coming

23、 to realize that taking exercise is beneficial to our health.越来越多的人开始意识到锻炼对我们的健康有益。A recent study shows that people spend most of their spare time on phones.一项最近的研究表明人们把大多数的空闲时间都花费在手机上。III表达措施In order to solve the problem,we should reduce waste.为了解决这个问题,我们应该减少浪费。I hope you can take what I have said

24、into consideration.我希望你能考虑一下我所说的。.建议的句型VI.总结呼吁总结呼吁1.In a word,if everyone pays more attention to.there will be less/fewer and.will be better.总之，如果每个人都多关注一点，将会更少，而将会更多。2.Its high time we did/should do.是时候我们做3.Only in this way can we.唯有用这种方式，我们才可以 当前，新型冠状病毒肺炎正在席卷中国大地，然而很多的普通民众自我保护意识不强，行动不配合。作为一名社区志愿者，

25、请给小区居民写一份倡议书，号召大家积极参加到抗击新型冠状病毒肺炎的战役活动中。Novel corona-virus pneumonia 当前，新型冠状病毒肺炎正在席卷中国大地，然而很多的普通民众自我保护意识不强，行动不配合。作为一名社区志愿者，请给小区居民写一份倡议书，号召大家积极参加到抗击新型冠状病毒肺炎的战役活动中。Novel corona-virus pneumonia Dear neighbours,We are writing to _号召_all of you to _参加这次活动_ to fight against Novel corona-virus pneumonia.As

26、we all know,this kind of pneumonia is spreading all over China.We are concerned that some of people lack awareness of it and dont take any action.In order to win the battle ,we propose:Novel corona-virus pneumoniaget together visit any relatives and friends send New Years wishes by the Internet.wear

27、 masks wash hands reduce the chance of infections.Be confident and calm spread some false information.Dear neighbours,We are writing to call on all of you to take an active part in the compaign to fight against Novel corona-virus pneumonia.As we all know,this kind of pneumonia is spreading all over

28、China.We are concerned that some of people lack awareness of it and dont take any action.In order to win the battle,we propose:Dont get together or visit any relatives and friends.And its a good idea to send New Years wishes by the Internet.Its suggested that you should wear masks and wash hands oft

29、en to reduce the chance of infections.Be confident and calm and dont spread some false information.In a word,only when we raise our awareness and take action can our neighbourhood become peaceful and safe.Lets start doing what we can do just now.Best wishes.Volunteers in our neighbourhood Homework1.课时作业30 2.把倡议书写到作业上，可以拍照发给老师批改3.明天复习本单元重点知识和专题复习完形填空的做题技巧。