初中英语仁爱科普版九年级上册Unit 2 Saving the earth.Topic 3 What can we do to protect the environment?授课课件ppt

这是一份初中英语仁爱科普版九年级上册Unit 2 Saving the earth.Topic 3 What can we do to protect the environment?授课课件ppt，文件包含Unit2Topic3SectionAppt、Unit2Topic3SectionBppt、p43-1amp3、p44-3bmp3、p45-1amp3、p46-4mp3、p43-1awmv、p45-1awmv等8份课件配套教学资源，其中PPT共40页， 欢迎下载使用。
Teaching Aims
重点短语及句型： wrk fr an rganizatin help spread the message the three R’s ---reduce, reuse and recycle encurage sb. t d sth. srt 2. 语法：连词 r, and, but 和 while的用法。
Learn by yurselves
envirnmental prtectin2. wrk fr an rganizatin 3.help spread the message4. bth sides 5. reuse plastic bags6. nd-ndded-ndded-ndding7. hurry up8. give up(ding) in.10. give… ut =hand… ut
1.环境保护2.为一个组织工作3.帮助传播信息4. 两边5. 重复使用塑料袋6. 点头7. 赶快8. 放弃（干）某事9.屈服10.分发
连词 r, and, but 和 while的用法1.and表示并列,用and连接的并列句可用if引导一个肯定的条件状语从句改写， and去掉。Yu nd yur head and it means agreement.＝ If Yu nd yur head , it means agreement. 2.Or 表选择，用r连接的并列句可用if引导一个否定的条件状语从句改写， r去掉。Hurry up, r yu’ll miss the train.= If yu dn’t hurry up, yu’ll miss the train.3. but译为“但是”（侧重转折） Water is imprtant but sme peple dn’t save it. 4. while译为“然而”（侧重对比） Sme peple prtect animals while thers kill animals.
What shuld we d t imprve ur envirnment?
Can yu srt the garbage?
What can we d at hme t prtect the envirnment?
We shuld reduce the waste we prduce. Fr example, we shuld use bth sides f paper and reuse plastic bags.
3a Read the table and write the crrect letter under each picture. Then srt the garbage based n yur wn knwledge.
b. paper cups
e. glass bttles
a. plastic bags
d.newspapers
3b Listen t the cnversatin and check yur answers in 3a.
1a Listen, lk and say.
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 sth. 8.srt
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.
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…