Unit 6Developing ideas Readingppt课件--2022高中英语新外研版必修第二册.pptx

1、【contentsPre-readingLanguage pointsFast readingHomeworkIntensive readingPost-readingIPre-readingLook at the questions about“green living”and tick your answers.1.Which shopping bag is more environmentally friendly?A plastic bag.A paper bag.Neither of these.Look at the questions about“green living”and

2、 tick your answers.2.What should you do to save energy when leaving your home?Turn off a device.Unplug a device.Neither of these.Look at the questions about“green living”and tick your answers.3.What food is better for the environment?Food produced near to where you live.Food produced far from where

3、you live.It depends.Look at the questions about“green living”and tick your answers.4.Which uses less water?Taking a bath.Taking a shower.It depends.Read the passage(P68-69)and find the answer.IIFast readingAs subheadings expand on the main heading or title,they can be slightly longer than the main h

4、eading.Although not every paragraph needs a subheading,they can be skimmed to give the reader an overall understanding of the content of a text.Learning to learnRead the four subheadings in the passage and decide if they are true or false.?Paper shopping bags are better than plastic ones.?When you t

5、urn off a device,it stops using power.?Eating local food is good for the environment.?Its better to take a shower than a bath.Then read the passage and check your answers.False.Making a paper bag uses four times as much energy as making a plastic bag and up to three times the amount of water.The pro

6、cess also produces more greenhouse gases.In fact,both kinds of bags are bad for the environment.So,take a reusable bag with you when you go shopping.Paper shopping bags are better than plastic ones.When you turn off a device,it stops using power.False.When we turn off a device,such as television,it

7、goes into stand-by mode.Devices in this mode still use power,and older devices in stand-by mode can use even more.To make sure your appliance is in fact off,remove the plug from its power supply.Apart from the transport,we should take the production of food into account.Eating local food is good for

8、 the environment.False.In some cases,local produce might have used more energy and produced more greenhouse gases than produce grown a long way away even taking into account its transport.The key is to keep your shower time as short as possible.Its better to take a shower than a bath.False.It depend

9、s on how long you spend in the shower and how large your bath is.If you spend more than eight minutes in a shower,youll use as much water as in a bath about 50 litres of water.Figure out the structure of the passage.IntroductionConclusionBodygreen truth 1green truth 2green truth 3green truth 4IIIInt

10、ensive reading1.Why do most of people think paper bags are the better environmental choice?2.Why does a device continues using power when it is turned off?3.Why do people think eating local food should be better for the environment?Read Find1.Why do most of people think paper bags are the better env

11、ironmental choice?Read Find2.Why does a device continues using power when it is turned off?Read Find3.Why do people think eating local food should be better for the environment?Read FindPost-reading1.Which of the“green truths”surprises you most?Give your reasons.2.Are you aware of any other“green tr

12、uths”that are not true?Share them with the class.3.How“green”are you?Share your“green actions”with the class.4.What can you do to become“greener”?Think Share 1.Which of the“green truths”surprises you most?Give your reasons.Various answers are possible.2.Are you aware of any other“green truths”that a

13、re not true?Share them with the class.The organic food sometimes is not as green as we suppose;The car using electricity instead of petrol is not energy-saving Think Share 3.How“green”are you?Share your“green actions”with the class.Various answers are possible.Turn off the lights and remove the plug

14、s of electric devices when I go out or dont use them;Give the old clothes to others to reuse them;Take a cloth bag or shopping basket instead of plastic bags when shopping 4.What can you do to become“greener”?Think ShareHow to become a“greener”Which“green truth”are you going to talk about?Why do peo

15、ple believe it is“green”?Why is it not completely true?What can you do to become“greener”?1.Use these questions to help plan your talk.Start your talk by stating the topic.Describe your chosen“green truth”in more detail.Explain why it is not completely“green”.End your talk by encouraging your audien

16、ce to become“greener”.2.Organize your talk following the steps below.3.Give your talk to the class.Today I would like to talk about if paper shopping bags are better than plastic bags.As everyone knows,plastic bags cause litter and are a danger to wild animals.It takes hundreds of years for plastic

17、bags to break down.Therefore,plastic bags are bad for the environment.Because of this,some people think paper bags are better than plastic ones.But that is not true.Making paper bags uses much more energy and water.It also produces more green house gases.So we come to the conclusion that paper bags

18、are not environmentally friendly,either.Since both of the above are not good for the environment,whats really green?I suggest taking a reusable bag with you when shopping.It is really green.Starting from the small things around us,everyone can become a real greener.Language pointsV1.aware adj 知道；意识到

19、 Important words&expressionsbe aware of sthbe aware that 他很清楚这个问题。你有没有意识到已经出了问题?awareness n 意识 Were you aware that something was wrong?He was well aware of the problem.raise/increase/promote ones awareness of sth 提升某人对某事的意识 2.break down 出故障；失败；分解；崩溃失控 1)The car broke down.2)Talks with business leade

20、rs broke down last night.3)The analysis shows that plastics,particularly those that break down fast,are contributing to the climate change.4)If Tim carries on working like this,hell break down sooner or later.5)Because he was being so kind and concerned,I broke down and cried.出故障失败分解垮掉情不自禁哭起来Importa

21、nt words&expressions3.worth adj 值的 一位本地珠宝商说这颗珍珠至少值500美元。他已经决定去看一下那所房子，看看是否值得买。我花了很多钱和时间在这艘船上，但这样做值得。Important words&expressionsA local jeweller says the pearl is worth at least$500.Hes decided to get a look at the house and see if it might be worth buying.I am spending a lot of money and time on thi

22、s boat,but it is worth it.Important lexical chunksthe majority ofmistake formake surecommon sense take into accountdepend on的大多数的大多数把把错认为错认为确保确保常识常识把把考虑进去考虑进去取决于；依赖；依靠取决于；依赖；依靠 1.It is the production of food,not its transport,that uses most of the energy and produces most of the greenhouse gases.Imp

23、ortant sentences强调句型：It is/was+被强调部分（通常是主语、宾语或状语）+that/who（当强调主语且主语指人时可用 who）+其他成分。消耗大部分能源、产生大部分温室气体的是食物生产过程，而不是运输。即学即练1.Were all three people in the car injured in the accident?No,_ only the two passengers who got hurt.A.it was B.there is C.it were D.there was3.It was _ he said _ disappointed me.2.

24、It was in the small house built with stones by his father _ he spent his childhood.thatwhatthatA 2.In some cases,local produce might have used more energy and produced more greenhouse gases than produce grown a long way away even taking into account its transport.Important sentences在某些情况下，即使考虑到运输因素，

25、本地农产品可能比外地农产品消耗更多的能源、产生更多的温室气体。2.In some cases,local produce might have used more energy and produced more greenhouse gases than produce grown a long way away even taking into account its transport.Important sentencesproduce v.“制造，制作”n.“农产品”。The drug is known to produce side-effects in women.The OPEC countries produce about 40 percent of global oil.We manage to get most of our produce in farmers markets.HomeworkVI1.Search the Internet to know more about other“green truths”that are not true.2.Write a short passage about them.