Unit 2 Saving the earth. Topic 1 Pollution has causes too many problems.SectionC课件（34张PPT）

课件34张PPT。Saving the Earth
Reading＆Writing
中考英语复习课
（九上 Unit 2）Q:What have we done to the earth? The air is dirty.Litter is everywhere.Too many chemicals are left in the soil.Water is seriously polluted.Lights are shining all night long.It’s still noisy deep at night.It’s time for us to save the earth.air pollutionlight pollutionsoil pollutionnoise pollution water pollutionPre-reading:Task 1
ReviewingPre-reading:Step 1. Quick response

(根据汉语提示，快速读出相应单词或词组!)
Are you ready?Pre-reading:丧失听力
+2高血压
+2包括+1 呼吸
问题
+2对...有害
+1不健康的食物 +1眼睛痛
+1把...倒入...
+1废水
+1have hearing loss/ lose one’s hearinghigh blood pressureincluding be harmful to/
do harm to变聋+1go deafunhealthy foodbreathing problemssore eyespour...intowaste waterQuick responsePre-reading:Phrase collection把…倒入… ___________________
废水 ___________________
眼睛疼 ___________________
呼吸问题 ___________________
变聋 ___________________
丧失听力 ___________________
不健康的食物 ___________________
高血压 ___________________
对…有害 ___________________
包括 ___________________pour… into…sore eyesbreathing problemsbe harmful to/ do harm to
go deaf / have hearing losslose one’s hearingincludingunhealthy foodhigh blood pressurewaste water There are many kinds of pollution around us,including air pollution,soil pollution,noise pollution and light pollution.They are bad for our health in many ways.
Burning gas,oil and coal creates air pollution.It can cause sore eyes and breathing problems.
With the increase in population and the development of industry,litter
Is everywhere.It makes our environment dirty.People put lots litter into the land.In the fields,farmers use too many chemicals which destroy the soil.Soil pollution causes unhealthy food.
Noise pollution can make people deaf.For example,people may lose their hearing if they work in a noisy place for a long time.Too much noise can cause high blood pressure as well.
Working in strong light for a long time man cause some kinds of illnesses .It makes people feel terrible and is especially bag for eyes.
With less pollution ,our planet will become greener and our health
will be better. Let ′ s be greener people.
Step 2. Skimming (略读）

While-reading:
Q:1.Underline the topic sentence of the passage.There are many kinds of pollution around us,including air pollution,soil pollution,noise pollution and light pollution.They are bad for our health in many ways.Q;2.What does the passage appeal to(呼吁）？ Let ′ s be greener people.2分钟快速阅读1a,回答问题。Skimming (略读） While-reading: Read the passage carefully and complete the table on Page 34.gasoilcoalsorebreathinglitterchemicalsdirtyunhealthywork in a noisydeafhigh bloodstrongillnesseseyesScanning (细读） While-reading:Causes
1._________
2._________
3._________
…
Effects
1.__________
2.__________
3.__________
…
1.__________
2.__________
3.__________
…Mind mapPollutionmeasures air pollutionlight pollutionsoil pollutionnoise pollutionwater pollutionTalk about the causes of pollution________________________ may create ______ pollution.Speaking too loud in public noisePair workUsing too many chemicals may cause soil pollution.Strong light may cause light pollution.Pouring waste water into rivers may cause water pollution.Burning gas or oil may cause air pollution. The causes of pollution _________ does harm to / is harmful to __________.
It can cause _____________.
Light pollutionsore eyesour eyes Step 4.Talk about the effects of pollutionThe effects of pollution Noise pollution does harm to / is harmful to our hearing . It can cause deaf and high blood pressure.
Air pollution does harm to / is harmful to our breath .
It can cause breathing problems .
Soil pollution does harm to / is harmful to our health . It can cause unhealthy food.
Water pollution does harm to / is harmful to our health . It can cause cancer.
Task 2
Speaking
四人为一小组进行讨论，对抽中的污染提出解决的建议。再将讨论的结果填入表格中，时间到后小组成员回答讨论结果，每答对一句得1分。Group workPost-reading:Group workDiscuss in group, and then report your measures. What can we do to save the earth?122 minutesTake measures to reduce pollutionGroup workshould(must/had better/ /can/ ought to)
1. ride a bike or walk to school
2. use both sides of the paper
3. turn off the lights when leaving
4. turn down the music
5. plant more trees
6. ...
shouldn’t (mustn’t/had better not/can’t/ought not to/ Don’t)
1. pour waste water into rivers
2. speak loud in public
3. smoke
4. throw paper or bottles around
5. use too many plastic bags or boxes
6. ...
Good job!Let’s be greener people!Task 3
WritingLittle Prince wants to write to the newspaper and ask more people to protect the world. Could you help him? Written work 随着人口的增加，全球污染问题越来越严重，请以Saving the Earth 为题目，帮小王子向报社投稿一篇文章,呼吁更多的人保护环境，词数80个左右,开头已给出，不计入总词数。
内容包括：
1.几种污染的现象及影响，如污染造成呼吸困难、眼睛疼、失聪等问题。
2.减少污染的措施（至少3个）。
3.呼吁大家保护环境。
Saving the Earth
With the increase in population, pollution has become more and more serious. ____________________________
_______________________________________________________________________________________________________________________________________________________________________________________________
随着人口的增加，全球污染问题越来越严重，以Saving the Earth 为题目，请你帮小王子向报社投稿一篇文章,呼吁更多的人保护环境，词数80个左右,开头已给出，不计入总词数。内容包括：
1.几种污染的现象及影响，如染造成呼吸困难、眼睛疼、失聪等问题。
2.减少污染的措施（至少3个）。
3.呼吁大家保护环境。

体裁：_______________
人称：_______________
时态： ________________
说明文&议论文 We (mainly) 一般现在时 一：审题二：定 随着人口的增加，全球污染问题越来越严重，请以Saving the Earth 为题目，帮小王子向报社投稿一篇文章，呼吁更多的人保护环境，词数80个左右，开头已给出，不计入总词数。
内容包括：
1.几种污染的现象及影响，如污染造成呼吸困难、眼睛疼、失聪等问题。
2.减少污染的措施（至少3个）。
3.呼吁大家保护环境。
三：列提纲TipsBefore writing
审定列Beginning
Pollution problems and harmsBody
Measures to reduce pollution
Ending
Ask people to protect the environmentFirst, don’t pour...into…Second, …turn off..Third,...not litter aroundsore eyes,...breathing problems,...Hearing loss,...Mind map 2Time to write 随着人口的增加，全球污染问题越来越严重，请以Saving the Earth 为题目，帮小王子向报社投稿一篇文章,呼吁更多的人保护环境，词数80个左右,开头已给出，不计入总词数。
内容包括：
1.几种污染的现象及影响，如污染造成呼吸困难、眼睛疼、失聪等问题。
2.减少污染的措施（至少3个）。
3.呼吁大家保护环境。
Saving the Earth
With the increase in population, pollution has become more and more serious. ____________________________
______________________________________________________________________________________________________________________________________________________________________________________________
Come on
It's your turn.Thanks for your help. I believe we’ll have a better life if there is less pollution.____________________________________________________________________________________________________________________________________________________________________________________________________________________________.Draw a mind map and write a passage about how to protect the environment. Homeworkassessment in groupsAfter writing
Heal?the?world.?
Make?it?a?better?place,?
for?you?and?for?me??
and?the?entire?human?race.Thank you!