12Starvation is mainly caused by the uneven distribution of wealth and sometimes by war or natural disasters. We can reduce starvation by redistributing the wealth of rich countries, by providing education and technology to developing countries, and by giving monetary aid to disaster-stricken areas.
13Q1: What can you see in these pictures? Q2: What is the biggest problem facing the earth? Why do you think so?Q3:What causes the problem?Q4: What can we do to solve the problem?Q5: What do you expect to learn in this unit?Q6: How will you use what you have learnt in your own life?
16Listening Pre-listening: What will the speaker talk about in the speech?
17While-listening 1. Listen for the question What does the speaker think the biggest problem is?how to protect water1.Why is she giving this speech?2. What does she think the serious problem is?3. What does she say we should do about it?4. What do you think she will say next?
18listening: Part 1: Why is she giving this speech? 2. What does she think the serious problem is?listening:She is giving this speech to celebrate Earth Day(and to talk about serious problems/to ask people to take action).She thinks that water pollution/protecting our water is the most serious problem.
193. What does she say we should do about it? 4. What do you think she will say next?(1). We must learn to take better care of our water.(2). We must stop polluting our water.(3). We must learn to save water in our daily life.She will talk about the three main ideas she has mentioned.
20part oneToday we are celebrating Earth Day.Earth Day is a day for reflection and______.Today, people in countries all over the world get together to _______the earth and our future, and to take action to _______ the current situation. Earth Day is a chance for us to learn _____the world and change our behavior.It helps me understand that we must act. If I __________more about the earth in the past ,I would have made different choices about what to do and what to buy.It is _________ too late to change.actiondiscussimproveabouthad knownnever
21√ √ √ √ √ 2.Listen for outline From what aspects(方面） will the speaker talk about water problem?√√importance of saving watercauses√bad effectswater and industry√solutions√water and agriculture
22Part2:Out line the speaker’s arguments.Argument 1: We should take better care of our water.We must be more careful when we use our water.We must use modern technology/ the knowledge and technology that some countries have already developed to solve the problem/to water our plants.If we work together and share what we know, we will be building a better future for all of us.
23Argument 2: We must stop polluting our water. Problem: We are polluting water at an alarming pace. Cars, factories, and air conditioners pollute the air and the water.Solutions:We must change the way we think and the way we live.Let’s not drive if we can walk or ride a bike.Let’s try not to use air conditioners more than what is absolutely necessary.Let’s not buy products that cause pollution.Let’s make new rules and use new technology to make sure that factories are green and clean.
24part twopoint1: 1.We should _________________ of our water .2.We must________________ when we use our water .3.We must use _______________________ ____________to solve the problem.4.If we ____________ and_______ what we know, we will be _________________ ________for all of us.take better carebe more carefulthe knowledge and moderntechnologywork togethersharefuturebuilding a better
25We must ________________our water. point2:Argument:We must ________________our water.Problem:We are _______________________ pace. Cars, factories, and air conditions pollute the air and the water.stop pollutingpolluting water at an alarming
26drive cause pollution rules make sure Solutions: We must__________________we think and live.Let’s not _______if we can walk or_________.Let’s try not to use ______________ more than what is absolutely necessary.Let’s not buy products that _______________.Let’s make new_____________and use new technology to ______________that factories are green and clean.change the waydriveride a bikeair conditionerscause pollutionrulesmake sure
27Listen and choose the correct answer. 1.What’s the best way to take care of our water?A. Continue to use the old ways of watering the plantsB. To learn the ways from the developed countries.C. To use the developed knowledge and technology from some countries.
28Listen and choose the correct answer. 2 .What’s the most important for us to stop polluting water and air?A. To buy non-pollution products.B. To change our way of thinking and living.C. To make the factories clean and green.
29Describe what you see in the pictures below. (1)(2)
30What’s your attitude towards burning a lot of coal ?Work in groups of four, including a businessman, an environmentalist, a scientist and a local citizen.
31businessman scientist local citizen A An environmentalistscientistlocal citizenYou think that we should burn the coal because…You don’t think we should burn the coal because…You think that we should spend more money on science so that…We must burn the coal so that we can get money to develop our area…
32Pros Cons A valuable resource Produce energy Offer jobs to citizensHelp develop economyMake people earn more moneyMoney is important for children’s education…We are responsible for futureUse coal in a new and clean wayCause pollutionDestroy the environmentThis damage isn’t repairedOnly caring about makingmoney is so selfishProduce harmful/poisonous smokeIt is bad for/harmful to our health
33Useful expressions Some sentences you heard in listening We must make sure that … It’s clear that…I believe that we must … I can’t imagine that…If nothing is done…, then… I’m all for…Sure/Certainly/Absolutely. Is there a better way to …?It would be better if we …I don’t think that’s right …?Don’t you think that…?I’m afraid you’re wrong…?I’m not so sure about that…Surely it must be…No, you are wrong thinking that…Some sentences you heard in listening