1、Unit 6 Earth firstDeveloping ideasWarming-up1.Do you support“green living”?2.How do we protect environment in our daily lives?Watch the video and discuss the questions.Pre-readingLook at the questions about“green living”and tick your answers.While-readingu Paper shopping bags are better than plastic
2、 ones.u When you turn off a device,it stops using power.u Eating local food is good for the environment.u Its better to take a shower than a bath.Read the four subheadings in the passage,decide whether they are true or false and explain your reasons.While-readingComplete the causes of these accordin
3、g to the passage.While-readingDevices turned off go into stand-by mode and still use power.While-readingLocal produce might use more energy and produce more green-house gases.If you spend more than eight minutes in a shower,youll use as much water as in a bathabout 50 litres of water.1.Which of the“
4、green truths”surprises you most?Give your reasons.2.Are you aware of any other“green truths”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”?Post-readingThink and discuss the questions.Step 1 Use these questi
5、ons to help plan your talk.Which“green truth”are you going to talk about?Why do people believe it is“green”?Why is it not completely true?What can you do to become“greener”?Work in groups.Give a talk about one of the“green truths”in the passage.Post-readingStep 2 Organise your talk following the ste
6、ps below.Start 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 audience to become“greener”.Step 3 Give your talk to the class.Post-readingWritingRead and answer the questions.1.What is the purpose of the l
7、etter?2.What is the existing problem?3.What are the proposed actions from Class 8?1.What is the purpose of the letter?2.What is the existing problem?3.What are the proposed actions from Class 8?WritingThe purpose of this letter is to call on everyone to take part in the Clear Your Plate campaign.Ove
8、r 30%of the worlds food is wasted,while many people in poor areas do not have enough to eat.Do not order more than you need in the school canteen;order less and take leftover food home when dining in restaurants;call on family members and friends to take part in the campaign.WritingDiscuss another e
9、nvironmental issue about which to write a persuasive letter and make notes.WritingWrite a persuasive letter.Use the expressions in the box to help you.WritingDear Friends,We are writing this letter to raise your awareness of the need to protect our planet.You can help simply by participating in the
10、No Bottled Water Campaign.People tend to think bottled water is cleaner and more convenient.However,they may not know that according to scientific research,millions of tons of plastic are used worldwide to make water bottles each year.The plastic can take hundreds of years to break down.If you are w
11、orried about the effects of bottled water on the Earth,we would like to suggest you take the following steps.1.Carry your water in a sustainable,reusable bottle.In this way,you dont need to buy bottled water.2.If you have to purchase a plastic bottled beverage,recycle the bottle after use.3.Ask your
12、 family members and friends to take part in this campaign.Everyone is responsible for making our planet cleaner and better by doing what we can.Lets start NOW.With best wishes,Class 11 A possible version句型公式：倍数表达法句型公式：倍数表达法【教材教材P91】However,making a paper bag uses four times as much energy as making
13、a plastic bag and up to three times the amount of water.然而，生产纸袋的耗能为塑料袋的四倍，耗水则多达三倍。然而，生产纸袋的耗能为塑料袋的四倍，耗水则多达三倍。【记牢记牢】常用的倍数表达法有：常用的倍数表达法有：(1)倍数倍数as.as.。(2)倍数形容词倍数形容词/副词的比较级副词的比较级than.。(3)倍数倍数the size/height/weight/length/width/depth/amount.of.。(4)倍数倍数what从句。从句。(5).timesas many(或或 much)名词名词as.。【佳句佳句】This
14、 car costs twice as much money as that one.这辆汽车的价格是那辆的两倍。这辆汽车的价格是那辆的两倍。【练透练透】单句语法填空】单句语法填空This building is five times as high _ that one.The number of students in our school is three times _(large)than theirs.The new square is four times the size _ the previous one.People s average income is almost
15、five times _ they earned ten years ago.【写美写美】一句多译】一句多译我们学校是他们学校的三倍大。我们学校是他们学校的三倍大。Our school is three times _ their school.Our school is three times _ their school.Our school is three times _of their school.aslargerofwhatas large aslarger thanthe sizeNotes 1.It is the production of food,not its tran
16、sport,that uses most of the energy and produces most of the greenhouse gas.本句为强调句式，基本结构为It is/was+被强调部分+that/who+其他。e.g.It wasnt until I finished film studies that I pursued my career as an actress.直到完成电影学习，我才开始从事我的演艺生涯。Notes 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/wh
17、o+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.。e.g.It was because it was raining that we cancelled our picnic.正是因为下雨我们才取消了野餐。Notes2.But its worth checking common ideas and opinions to see whats really green.be worth doing意为“值得做；值得做某事”。e.g.He always tells lies,so
18、 nothing he said was worth listening to.他总是说谎，所以他说的话没有一句值得听。be worth+钱数 值钱 be worth+doing值得 worthy adj.值得的 be worthy of+n.值得 be worthy to be done/of being done值得 e.g.Is it worth visiting the city which is famous for its history?这个因历史而出名的城市值得去参观吗?Assignment Search more information about the“green truths”on the Internet,decide on one and write a short paragraph about it.Start your writing by stating the topic.Describe the“green truth”in more detailwhy people believe its“green”.Explain why it is not completely true.End your talk by encouraging others to become“greener”.Goodbye!
