Unit6 Earth first Developing ideas P68-69ppt课件-（含音频）-（新教材）新外研版高中英语必修第二册.zip

Developing ideas P68-69P68-69 Unit 2 Lets celebrate!Pre-readingDo you support“green living”?How to protect environment in our daily lives?Watch and think:1.Which shopping bag is more environmentally friendly?A plastic bag.A paper bag.Neither of these.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 you live.It depends.4.Which uses less water?Taking a bath.Taking a shower.It depends.Look at the questions about green living and tick your answers.Now work in groups and see if other people share your ideas.ReadingRead the four subheadings in the passage and decide if they are true or false.Wang Peng:Eating out for the Spring Festival family dinner only changes the form of this tradition,but the love between the family members remains the same.Liu Yonghui:It just wont feel like Spring Festival having the dinner out.The process of preparing the dinner together is more important than the dinner itself.副标题，小标题Learning to learnAs subheadings expand on the main heading or title,they can be slightly longer than the main heading.Although not every paragraph needs a subheading,they can be skimmed to give the reader an overall understanding of the content of a text.True or FalsePaper shopping bags are better than plastic ones.When you turn off a device,it stops using power.Eating local food is good for the environment.It s better to take a shower than a bath.Now read the passage and check your answers.Read the effects and complete the causes of these according to the passage.1.Making a paper bag uses more energy and water than making a plastic bag.It also produces more greenhouse gases.Paper bags are not good for the environment.2.Turning off a device wont stop it from using power.CAUSESEFFECTSDevices turned off go into stand-by mode and still use power.Read the effects and complete the causes of these according to the passage.3.Eating local food isnt always better for the environment.CAUSESEFFECTS4.Its not always better to take a shower than a bath.If you spend more than eight minutes in a shower,youll use as much water as in a bath-about 50 litres of water.Local produce might use more energy and produce more greenhouse gases.Think Share:1.Which of the green truths surprises you most?Give your reasons.2.Are you aware of any other green truths that are not ture?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?After-readingWork in groups.Give a talk about one of the green truths in the passage.1.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?2.Organise your talk.3.Give your talk to the class.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 audience to become greener.课文回顾句意：我们大部分都意识到要保护环境，也采取了各句意：我们大部分都意识到要保护环境，也采取了各种行动节约能源，减少浪费和污染。种行动节约能源，减少浪费和污染。Language Points1Most of us are aware that we must take care of the environment,and the majority of us take steps to save energy and reduce waste and pollution.1.majority n.多数，大多数（人或物）themajorityof+集体名词，谓语动词用单数单数或复数复数。amajorityof+复数名词，表示“许多”，谓语动词 用复数。例1：这个国家的大部分人口都住在城市里。Themajorityofthepopulationinthecountry _incities.lives/live句意：我们大部分都意识到要保护环境，也采取了各句意：我们大部分都意识到要保护环境，也采取了各种行动节约能源，减少浪费和污染。种行动节约能源，减少浪费和污染。1Most of us are aware that we must take care of the environment,and the majority of us take steps to save energy and reduce waste and pollution.2.take steps to 采取措施,采取行动例2：现在多数工人每周工作5天。Amajorityofworkersnow_fivedaysaweek.work例：至于贸易，我们将采取措施，进一步扩大进口。As for trade,we will _ import more.take steps to句意：塑料袋会变成垃圾，被野生动物误食后会对句意：塑料袋会变成垃圾，被野生动物误食后会对其造成伤害。塑料需要数百年才能分解，而纸的降其造成伤害。塑料需要数百年才能分解，而纸的降解时间要短得多。解时间要短得多。1.mistake.for 把错认为2 Plastic bags cause litter and are a danger to wild animals,which mistake them for food.It takes hundreds of years for plastic to break down,but much less time for paper.例：新来的人把你的讽刺误解为愤恨。New arrivals _ your sarcasm _ bitterness.mistakefor句意：塑料袋会变成垃圾，被野生动物误食后会对句意：塑料袋会变成垃圾，被野生动物误食后会对其造成伤害。塑料需要数百年才能分解，而纸的降其造成伤害。塑料需要数百年才能分解，而纸的降解时间要短得多。解时间要短得多。2.break down 分解；拆分；失控痛哭2 Plastic bags cause litter and are a danger to wild animals,which mistake them for food.It takes hundreds of years for plastic to break down,but much less time for paper.例：Because he was being so kind and concerned,I broke down and cried.翻译：_ _。因为他那时对我那般友善关心,我失控哭了起来。句意：在有些情况下，即使将运输的因素考虑在内，句意：在有些情况下，即使将运输的因素考虑在内，本地的农产品也可能比距离遥远的外地种植的农产本地的农产品也可能比距离遥远的外地种植的农产品耗能更多，产生的温室气体也更多。品耗能更多，产生的温室气体也更多。take into account 考虑；重视3 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.例：考虑一下别人的意见，将它们与你自己的意见结合起来。_ the views of other people and combine them with yours.Take into accountThank you!