高中英语外研版 (2019)必修 第二册Unit 6 Earth first课文配套ppt课件

这是一份高中英语外研版 (2019)必修 第二册Unit 6 Earth first课文配套ppt课件，共14页。PPT课件主要包含了false，Skimming，Sample，Assignment等内容，欢迎下载使用。

1　Which shpping bag is mre envirnmentally friendly?□ A plastic bag. □ A paper bag. □ Neither f these.2　What shuld yu d t save energy when leaving yur hme?□ Turn ff a device. □ Unplug a device. □ Neither f these.3　What fd is better fr the envirnment?□ Fd prduced near t where yu live.□ Fd prduced far frm where yu live. □ It depends.4　Which uses less water?□ Taking a bath. □ Taking a shwer. □ It depends.Nw wrk in grups and see if ther peple share yur ideas.
Lk at the questins abut “green living” and tick yur answers.
Read the fur subheadings in the passage and decide if they are true r false. Then read the passage and check yur answers.
r even cmpletely _____________.
What’s the main idea f the passage?
“green truths”
It discusses sme cmmn ______________
which have been shwn t be ____________
Read the effects and cmplete the causes f these accrding t the passage.
1　Making a paper bag uses mre energy and water than making a plastic bag. It als prduces mre greenhuse gases.
Paper bags are nt gd fr the envirnment.
Turning ff a device wn’t stp it frm using pwer.
Eating lcal fd isn’t always better fr the envirnment.
It’s nt always better t take a shwer than a bath.
Devices turned ff g int stand-by mde and still use pwer.
Lcal prduce smetimes might use mre energy and prduce mre greenhuse gases than prduce grwn a lng way away—even taking int accunt its transprt.
If yu spend mre than eight minutes in a shwer，yu’ll use as much water as in a bath—abut 50 litres f water.
1　Which f the “green truths” surprises yu mst? Give yur reasns.2　Are yu aware f any ther “green truths” that are nt true? Share them with the class.
When yu turn ff a device，it stps using pwer. Usually I just turn ff my televisin befre ging ut，thinking it is a safe and green way. I dn’t knw it’s still a waste f energy.
Bike-sharing is a green methd f transprtatin and prvides a user-friendly experience. Hwever，it causes the energy t be wasted if the bikes are thrwn away by the radside.
Think & Share
3　Hw “green” are yu? Share yur “green actins” with the class.4　What can yu d t becme “greener”?
I usually try t save energy and water in my daily life. Fr example，I always turn ff the lights when I leave a rm. I walk r ride a bike instead f taking a bus r a taxi. I take a clth bag when I g shpping.
I can stp using the things that can be used nly nce. I can unplug the TV set befre I g ut. I can stp peple frm prducing pwer frm cal.
1　Use these questins t help plan yur talk.·Which“green truth”are yu ging t talk abut?·Why d peple believe it is “green”?·Why is it nt cmpletely true?·What can yu d t becme “greener”?2　Organise yur talk fllwing the steps belw.·Start yur talk by stating the tpic.·Describe yur chsen“green truth”in mre detail.·Explain why it is nt cmpletely“green”.·End yur talk by encuraging yur audience t becme “greener”.3　Give yur talk t the class.
Wrk in grups. Give a talk abut ne f the “green truths” in the passage.
I’m ging t talk abut ne f the “green truths”—Paper shpping bags are better than plastic nes. As we all knw，plastic bags cause litter and are a danger t wild animals，which mistake them fr fd. It takes hundreds f years fr plastic t break dwn，but much less time fr paper. Because f this，we think paper bags are the better envirnmental chice. Hwever，making a paper bag uses fur times as much energy as making a plastic bag and up t three times the amunt f water. The prcess als prduces mre greenhuse gases. In fact，bth kinds f bags are bad fr the envirnment. S，why nt take a reusable bag t becme “greener” when ging shpping?
Write a shrt passage n the tpic f “ What can yu d t becme greener ?” using sme transitinal wrds.