初中仁爱科普版Topic 3 What can we do to protect the environment?图文ppt课件

这是一份初中仁爱科普版Topic 3 What can we do to protect the environment?图文ppt课件，共27页。PPT课件主要包含了并 列 句，Summary，Assignment等内容，欢迎下载使用。
D yu knw hw these kinds f pllutin affect ur envirnment?
Air pllutin
The sky is nt blue any mre.
water pllutin
It makes the river dead.
Sil pllutin
It can nt plant any plants.
Sund pllutin
It makes the peple upset.
Light pllutin
Peple can nt see clearly.
What shuld we d t imprve ur envirnment? Or hw can we becme a greener persn?
We shuld plant mre trees.
We can ride a bike instead f driving a car.
We shuld put the rubbish int the dustbin.
We can teach the children t pick up the rubbish.
What can we d at hme t prtect the envirnment?
We shuld reduce(减少） the waste we prduce. Fr example, we shuld use bth sides f paper and reuse（重新使用） plastic bagsand recycle(重新回收） the cans.We call reduce, reuse, recycle three R.
Listen t 1a again and answer the questins.
(1) Wh is wrking fr an rganizatin that prtects the envirnment? Jane.(2) What’s her main jb? Her main jb is t help spread the message abut prtecting the envirnment. (3) Shuld we use bth sides f paper? Yes, we shuld.(4) Why is the recycling useful? It can prtect the envirnment, and it can save mney, t.
1b Listen t 1a and cmplete the table.
rganizatin
prtect the envirnment
spread the message
reduce the waste
waste paper
Key wrds
1.wrk fr an rganizatin 2.help spread the message 3.the three R’s ---reduce, reuse and recycle 4.reduce the waste 5.reuse plastic bags sb. t d
1c Read 1a and cmplete the sentences.
The three R’s ---______, ______ and _______ --- are imprtant. At hme, we can, fr example, use bth ______ f paper and reuse _____ bags. At schl, students are encuraged t _____ waste paper and ______________ because recycling can prtect the ____________ and _______ mney. Then we _______ them ______ they can be recycled.
sft drink cans
(1) We shuld use plastic bags as few as pssible.(2) We shuld thrw the garbage in the river.(3) We shuld reduce the waste we prduce.(4) We shuld use bth sides f paper.(5) We shuld thrw the plastic bags rather than reuse them.
Yu can nd r shake the head! Ndding the head means agreement. Shaking the head means disagreement.
(1) Yu nd yur head and it means agreement. (2) Hurry up, r yu’ll miss the train.(3) Water is imprtant but sme peple dn’t save it. (4) Sme peple prtect animals while thers kill animals.
Discuss the wrds underlined
连词 r, and, but 和 while的用法
①表示并列关系，用and…②表转折，用but, while…③表选择，用r…
2 Cmbine the sentences with r, and, but r while, making sme changes if necessary.
1. Nise is a kind f pllutin. It’s harmful t ur hearing. Nise is a kind f pllutin and it’s harmful t ur hearing. 2. Wrk hard. Yu will fail the exam. Wrk hard, r yu will fail the exam.3. Ndding the head means agreement. Shaking the head means disagreement. Ndding the head means agreement while/but shaking the head means disagreement.4. Hurry up. Yu will miss the bus. Hurry up, r yu will miss the bus.5. He has failed several times . He never gives up. He has failed several times, but he never gives up.
3a Read the table and write the crrect letter under each picture. Then srt the garbage based n yur wn knwledge.
glass bttles
plastic bags
3b Listen t the cnversatin and check yur answers in 3a.
Ww! We’ve gt s much garbage! Sft drink cans, lunch bxes, plastic bttles, batteries, waste paper, paper bags and cups,…
4 Suppse yu will have a Clean-up Day. Wrk in grups and find ut the garbage. Then srt them based n 3a and talk abut them.
A: I think lunch bxes shuld be reused. B: What abut waste paper ? A: I think…
We learn: 1.Sme wrds: nd, agreement 2.Sme phrases：give up 3. Sme sentences: (1) We shuld reduce the waste we prduce. (2)Recycling can prtect the envirnment, and it can save mney, t. We can:1.Use the cmpund sentences with r, and, but and while. 2.Talk abut envirnmental prtectin.
Read 1a.Memrize the useful expressins and key sentences which we learn tday.Finish Sectin A in yur wrkbk.Preview Sectin B.