课件32张PPT。Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems .
Section DTask 1Review1. 一般过去式与现在完成时2. 本话题的功能句It _____ (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 (一般过去时)
强调过去 Present perfect (现在完成时)
强调现在Read through Sections A-C and fill in the blanks with the correct words.Grammarbeenwerehas happenedhave gonewentSimple Past &Present PerfectFunctionsmesspouringworsegoharmfulbetterharmThere are many kinds of pollution around us, air pollutionlight pollutionlitterwater pollutionsoil pollutionnoise pollutionincludingcoal [k??l] ??n. 煤,煤块create [kri?’e?t ]??v. 造成,创造
New wordsTask 2blood [bl?d]??n. 血,血液high blood pressure 高血压
planet ['pl?n?t] n.行星
Fast reading(快读)Listen to 1a and answer the following questions.1.What is the topic sentence of the passage?
2. How many kinds of pollution are mentioned and what are they?
There are many kinds of pollution around us,including air pollution,soil pollution,noise pollution and light pollutionTips:
1.读懂wh-问题。
2.找出问题对应的关键词。
(When you want to know the main idea (中心意思)of the text, you must pay attention to the first sentence and the last sentence.)注意第一句或最后一句Four. They are air pollution, soil pollution, noise pollution and light pollution.Task 3Read 1a carefully and answer the question
What problems does the pollution cause and what are the effects? Discuss with your partners and complete the table on P34.
(自由朗读1a找出导致每种污染的问题和影响。同伴讨论完成34页表格.)
Careful-reading(精读)Let’s play a game:抢红包
每个人都有机会抢一个红包,每个红包都会有惊喜,只要回答出红包里面的问题就会得到这份惊喜。Task 41a Read the passage and complete the table on Page 34.gasoilcoalsorebreathinglitterchemicalsdirtyunhealthywork in a noisydeafhigh bloodstrongillnesseseyes( ) 1. What is the passage mainly about?
A. Air pollution. B. Light pollution.
C. Litter. D. All sorts of pollution.
( ) 2. What does the word “chemicals” mean in this passage?
A. 化学 B. 化肥和农药
C. 化学的 D. 化学制品
( ) 3. How do people feel after they work in strong light for
a long time?
A. Excited. B. Happy.
C. Terrible. D. Sad.Read 1a again and choose the best answer.BDC阅读指导:掌握文章主旨和大意阅读指导:联系上下文,猜词义In the fields, farmers use too many chemicals which destroy the soil.Working in strong light for a long time may cause some kinds of illness. It makes people feel terrible and is especially bad for eyes.阅读指导:在短文中找关键词 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.Fill in the blanks and retell 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Task 53. 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 points请回忆too many 与much too 的用法too much +不可数名词 太多......(表数量)4. 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 points1. 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 ExercisesTask 6Exercises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 ofBDCBExercises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 more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 ways复习Topic1所出现的短语:summaryWe learn:1. 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.Task 7HomeworkMary: 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.work in a noisydeafhigh bloodgasoilcoalsorebreathinglitterchemicalsdirtyunhealthystrongillnesseseyes