Unit 6Earth first Developing ideas （ppt课件）-2023新外研版（2019）《高中英语》必修第二册.pptx

1、Developing ideasUnit 6 Earth FirstWhat is really green?Look at the questions about“green living”and tick your answers.Pre-readingIt depends.看情况而定。看情况而定。Read the subheadings in the text,do you think are they right or not?Fast-reading?Paper shopping bags arePaper shopping bags are better better than p

2、lastic ones.than plastic ones.?When you turn off a device,it?When you turn off a device,it stops using power.stops using power.?Eating local food is good for Eating local food is good for the environment.the environment.?Its better to take a shower Its better to take a shower than a bath.than a bath

3、.As 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.nlearning to learnLook at the title,subheadings and illustrat

4、ions:Fast-readingWhats the passage about?Paper shopping bags arePaper shopping bags are better better than plastic ones.than plastic ones.?When you turn off a device,it When you turn off a device,it stops using power.stops using power.?Eating local food is good for Eating local food is good for the

5、environment.the environment.?Its better to take a shower Its better to take a shower than a bath.than a bath.WhatWhat s s really green?really green?It mainly talk about the truly green lifestyle.Read the subheadings in the text,do you think are they right or not?Fast-reading?Paper shopping bags areP

6、aper shopping bags are better than plastic ones.better than plastic ones.However,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 process also produces more greenhouse gases.False.Read the subheadings in the text,do you think are

7、 they right or not?Fast-reading?When you turn off a device,it stops using power.When you turn off a device,it stops using power.When we turn off a device,such as television,it goes into stand-by mode.Devices in this mode still use power,and older devices in stand-by mode can use even more.False.Read

8、 the subheadings in the text,do you think are they right or not?Fast-reading?Eating local food is good for the environment.Eating local food is good for the environment.In some cases,local produce might have used more energy and produced more greenhouse gases than produce grown a long way away even

9、taking into account its transport.False.It depends.Read the subheadings in the text,do you think are they right or not?Fast-reading?Its better to take a shower than a bath.Its better to take a shower than a bath.It depends on how long you spend in the shower and how large your bath is.If you spend m

10、ore than eight minutes in a shower,youll use as much water as in a bath about 50 litres of water.False.It depends.Read the effect and complete the causes of these according to the passage.Careful-readingDevices turned off go into stand-by mode and still use power.Local produce sometimes might use mo

11、re energy and produce more greenhouse gases than produce grown a long way away even taking into account its transport.If you spend more than eight minutes in a shower,youll use as much water as in a bath about 50 litres of water.What suggestions did the author give to the 4 false“green truth”?Carefu

12、l-readingSubheadingsSubheadingsSuggestionsSuggestions 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.Take a reusable bag with you when you go shopping.Remove the pl

13、ug from its power supply.Take the production of food into account.Keep your shower time as short as possible.Whats really green?Part 1:introduction Part 2:main bodyPart 3:conclusiongreen truth 1green truth 2green truth 3green truth 4The structure of the passageWhat can you do to become“greener”?Learn more about sustainable living.Remove the plug from its power supply to save energy.Bring a reusable bag with us when we go shopping.Take public transportation/ride a bike/walk.Raise our awareness of protecting environment.THANK YOU