Unit6Period6Developingideas课件43张2021-2022学年高中英语外研版必修第二册.pptx

Unit 6Unit 6 Earth firstPeriod 4 Developing ideas1. To have a general knowledge of whats really green in our daily life.2. To learn the role and function of sub-titles.3. To learn some key words and expressions in this lesson. Look at the questions about “green living” and tick your answers.Activity 11. 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.n. 设备，仪器，装置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 title and think about the meaning of it.Activity 2What’s really “green”?ColorInexperiencedEnvironmental friendlyRead the four subheadings in the passage and decide if they are true or false. Activity 3?Paper 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.?Its better to take a shower than a bath.It depends.It depends.Activity 4What’s the main idea of the passage?It discusses some common ____________ which have been shown to be ____________or even completely _______.“green truths”half truefalseDraw a mind map to show the structure of the passage.ConclusionBodyIntroductiongreen truth 1green truth 3green truth 2green truth 4MEASURESEFFECTSCAUSESRead the effects and complete the causes and measures of these according to the passage.Activity 51. Making a paper bag uses more energy and water than making a plastic bag. It also produces more greenhouse gases.Take a reusable bag with youwhen you go shopping.Paper bags are not good for the environment.MEASURESCAUSESEFFECTSTurning off a device wont stop it from using power.2. Devices turned off go into stand-by mode and still use power.Remove theplug from itspower supply.EFFECTSCAUSESME