课件20张PPT。Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems .
Section DIt _____ (be) beautiful in the past. Kangkang _______ (go) there two years ago.The flowers and grass ___________ (go).
Everything _____________ (change).Mrs. Zhou ____________ (be) like this since last week.
She ______________ (not see) a doctor yet.waswenthave gonehas changedhas beenhasn’t seenSimple past 强调过去 Present perfect 强调现在They are caused
by pollution.There are many kinds of pollution around us, air pollutionlight pollutionlitterwater pollutionsoil pollutionnoise pollutionincludingRead through Sections A-C and fill in the blanks with the correct words.Grammarbeenwerehas happenedhave gonewentSimple Past ＆Present PerfectFunctionsshamepouringworsegoharmfulbetterharm( ) 1. What is the passage mainly about?
A. Air pollution. B. Light pollution.
C. Litter. D. All sorts of pollution.
( ) 2. ________ destroy(s) the soil.
A. Chemicals B. Weather
C. Noise D. Industry
( ) 3. How do people feel after they work in strong light for
a long time?
A. Excited. B. Happy.
C. Terrible. D. Sad.How well do you know Sections A-C? Now do the following tasks and check.ADCRead 1a and choose the best answer.1a Read the passage and complete the table on Page 34.gasoilcoalsorebreathinglitterchemicalsdirtyunhealthywork in a noisydeafhigh bloodstrongillnesseseyes1. They are bad for our health in many ways.
They ____________to our health in different ways.
2. People may lose their hearing if they work in a noisy
place for a long time.
If people work in noisy conditions for a long time they
may have ______________.
3. Noise pollution can make people deaf.
People may ______ deaf _____________ noise pollution.1b Read and understand the first sentence. Then complete the second one.hearing loss do harm gobecause of/ are harmful There are many __________ of pollution around us. They are ______ for our health in many ways.
Air pollution causes _____ eyes and __________ problems. ______ makes our environment dirty. Soil pollution ________ the soil and _______ unhealthy food. Noise pollution makes people ______ and causes high blood pressure. Light pollution is bad for _____ and causes some kinds of __________.
With less pollution, our planet will become _______ and our health will be better. Let’s be greener people.Complete the passage according to 1a. kinds/sortsbadsorebreathingLitter destroyscauses deafeyes illnessesgreener Language points1. Burning gas, oil, coal creates air pollution.燃烧气体、石油和煤都会造成空气污染。
create v. 造成，创造
creative adj. 创造性的
creation n. 创造；创造物 2. In the fields, farmers use too many
chemicals which destroy the soil.
在地里，农民使用了太多对土壤起破坏作用的化肥和农药。
定语从句3. Too much noise can cause high blood pressure as well.噪声太大也可能导致高血压。
high blood pressure 高血压 as well 也, 还
e.g. We’re going to the party tonight.
Why don’t you come along as well?Language points4. With the increase in population and the development of industry, litter is everywhere.
随着人口的增加和工业的发展，垃圾到处都是。 5. With less pollution, our planet will become
greener and our health will be better.
随着污染的减少，我们的地球将变得更加环
保，我们也会更健康。
Language pointsMore tasks.Phrase collection把……倒入…… ___________________
have got a pain in… ___________________
throw around ___________________
对……有害 ___________________
not all people ___________________
go deaf ___________________
丧失听力 ___________________
和……（几乎）一样坏 ___________________
disturb others ___________________
各种各样样的 ___________________
在很多方面 ___________________pour… into………疼乱扔be harmful to= do harm to不是所有人变聋= have hearing losslose one’s hearingno better than打扰别人all sorts/kinds ofin many waysMary: Excuse me. ______ I haven’t seen him for weeks.
Bill: Jim’s gone to England.
Mary: Really?______
Bill: He went there last week.
Mary: ______
Bill: For three times.
Mary: ______
Bill: He traveled with his friends.
Mary: ______
Bill: He will be away for about two weeks.
Mary: Oh, thank you. I’ll phone him this evening.e. Where’s Jim? a. When did he go there?b. How many times has he been there?d. Who did he travel with?c. How long will he be away?eMore tasks.ConversationabdcProjectMaking a Wall Newspaper About Pollution1. Collect some pictures about pollution.
2. What kind of pollution does each picture show? Work
in groups and discuss its bad effects.
3. Make a wall newspaper about different kinds of
pollution and the harm caused by them.Exercises根据汉语意思完成句子。
1. 如今，很多人患有高血压。
Nowadays, many people have _____ ______ ________.
2. 动物可以在很多方面帮助人们。
Animals can help people ____ ____ ______.
3. 迈克会打篮球，他跑步也很快。
Mike can play basketball. He runs fast ____ ______.
4. 随着工业的发展，污染越来越严重。
____ ____ ____________ ___ industry, pollution has
become _____ _____ _____ serious.high blood pressurein many waysas wellWith the development ofmore and moreExercises单项选择
( ) 1. Linda has many hobbies, ________ listening to music, collecting coins, going cycling and so on.
A. for example B. including
C. about D. and
( ) 2. There is ______ pollution in the world. We must stop it.
A. much too B. too much
C. many D. too many
( ) 3. _______ the increase in population, food has become a serious problem.
A. And B. By
C. To D. With
( )4._____ the environment is important for human beings.
A. Take care of B. Took care of
C. Taking care of D. Take the care ofBDCBsummaryWe learn:1. Make a wall newspaper in English.
2. Tell the differences between Simple Past
and Present perfect.
I went there two years ago.
I have been like this since last week.We can:1. Some words:
coal, create, blood, planet
2. Some phrases:
in many ways, high blood pressure, as well
3. Some sentences:
With the increase in population and the
development of industry, litter is everywhere.Homework
1. Read 1a.
2. Make a wall newspaper about pollution.
3. Finish Section D in your workbook.
4. Preview Section A in Topic 2.
Thank you.课件内容介绍和使用说明
本课件是为仁爱英语九年级上册Unit 2 Topic 1 Section D编写的教学课件，这是第二单元第一话题的第四课时。本课的重点是对本话题的所有知识进行归纳和总结，然后在练习题中检测。为了达到总结和检测的双重目的，课件在设计上注重对学生综合语言运用能力的训练，设计了形式多样的练习题，内容覆盖面广，适时进行总结归纳。为更好更有效地实现本课教学目标，本课件从学生实际出发，对教材进行了必要的整合，教学设计直观生动。基于本节课主要活动是1a，因此对教学设计作如下安排：
Getting students ready for learning:
①呈现图片，复习Sections A-C的主要内容，对一般过去时和现在完成时的区别进行对比和总结。(幻灯片2)
②复习各种污染，为本课1a的学习做好铺垫。(幻灯片3)
Grammar:
完成Grammar部分的练习，让学生学会正确使用两种时态。(幻灯片4)
Functions:
学生通读Sections A-C，完成Functions部分的练习。(幻灯片5)
While-reading:
①阅读1a，完成选择题，获取文章大意。(幻灯片6)
②阅读1a，完成34页的表格，理解文章细节。(幻灯片7)
③完成1b的练习。(幻灯片8)
Post-reading:
①根据1a内容，完成短文填空的练习。核对答案之后，播放1a录音材料，让学生边听边朗读，注意模仿语音语调。(幻灯片9)
②讲解1a中的重难点知识和语句。(幻灯片10、11、12)
③复习检测本话题所学的重点短语。(幻灯片13)
④完成情景交际练习，注意不同时态的正确运用。(幻灯片14)
Project:
收集有关污染的图片，分组讨论各种污染造成的危害，然后制作关于污染的墙报。完成Project。(幻灯片15)
Practice:
完成相关的练习题。(幻灯片16、17)
Assigning homework:
①总结本堂课的新单词、短语和语法项目，让学生能把握整堂课的重点。(幻灯片18)
②设计了书面显性作业及课文朗读、对话练习、预习新课等隐性作业。(幻灯片19)
