外研英语必修3Module4Reading课件.ppt-(纯ppt课件,无音视频素材)

1、 Look at these pictures below and then answer some questions.The sand almost buries the house.cycle/wear/hood/mask1.What is happening?2.what is the cyclist wearing and why?3.what do you think happens to traffic in this situation?Why?4.What do you think experts advise people to do in this situation?1

2、.There is a sandstorm blowing.2.Theyve wearing hoods,masks and glasses to protect themselves.3.It moves very slowly.Because it is not clear to see everything on the road and people must take great care.4.Stay at home.Answer the questions 1.to ride a bicycle ()2.someone who knows a lot about a partic

3、ular subject ()3.things that happen one after another,and have a result ()4.someone who lives in a particular town or country ()cycle expertprocesscitizenMatch the words with the definitions 5.very small bits of dirt or earth,on the ground or in the air ()6.to continue to live after a difficult or d

4、angerous situation or event()7.to say what will happen ()8.everything that is happening at a particular time()dustsurviveforecastsituationMatch the words with the definitionsFind the main idea of each paragraphP 1 :P 2:P 3:major disaster in Asia-Sandstormcauses description P 5:P 4:P 6:influencesugge

5、stionmeasures1.A government campaign has been started to help solve the sandstorm problem.2.The winds in a sandstorm can sometimes prevent you from seeing the sun.3.Northwest China is the sandstorm centre in Central Asia.4.The Chinese Central Weather Station can only forecast a sandstorm some months

6、 before it arrives.5.It is frightening to be cycling in a sandstorm.6.The government is planting trees to the east of Beijing to prevent the desert coming nearer.masspart ofweekswest Read the text again and complete the following sentences 1.The winds in a sandstorm can sometimes ()2.When Ren Jianbo

7、 was living in Inner Mongolia ()3.Sandstorms in China appear to have increased ()4.Cutting down trees and digging up grass can ()5.Traffic moved slowly because ()6.The government is planting trees to the west of Beijing to ()prevent you from seeing the sunhe experienced a terrible sand stormprevent

8、the desert coming nearerCause deserts and sandstorms to increasethe drivers can not seebecause of desertification Sandstorms in AsiaPhenomenaPhenomena（现象）现象）placesplaces causes 原因 effects 影响影响 advice solution(解决方案)strong,dry winds that carry sand，Central AsiaNorth AmericaCentral Africa terrible,the

9、most frightening,dangerousAustralia Desertification，climate changes cut down trees，dig up grassan orange sky,strong winds cover in a thick,brown-yellow dust move slowly,difficult to see,breathe,ill not to go out,wear a mask plant treesRead the text carefully and finish exercises 3 and 5 on page 33.F

10、ind the words in the passage.Choose the correct answer.1.sand dunes means _ a)plants growing in sand b)sand hills2.affect means _ a)to kill b)to cause a change3.You wear a mask over your _ a)face b)body4.strength is the noun of _ a)strong b)strangeComplete the sentences using words from the text.1.w

11、eather experts have(f )another big sandstorm in a weeks time.2.Its(f )to be outside in a sandstorm.3.I was in a very big sandstorm some years ago.Luckily,everyone(s ).4.Theres a lot of(d )on the floor.We need to sweep it away.orecastedrighteningurvivedust5.Desertification is a long(p )that takes man

12、y years.6.Many Beijing(c )cycle to work.rocessyclistsSummary The cause of sandstorms Sandstorms,begin in desert _ and appear to have increased in recent years as a result of _.It is a process that happens when land becomes desert because of _ and because people _trees and _grass.areasdesertification

13、climate changescut downdig up Sandstorm in Beijing Citizens wake up to a(n)_sky and strong wind that covers the city in a thick _ dust.The sandstorms sometimes _all day and affect traffic.continuebrown-yelloworange The two persons experiences Ren Jinbo described a sandstorm in Inner Monglia.Huang Xi

14、aomei told people about a sandstorm in_.Beijing The measures A mass _ has been started to help solve the problem.The government has already planted over _trees and plans to continue planting for the next _years.campaign30 billionfive The advice that should be followed in a sandstorm Experts advise p

15、eople _.If you want to go out,youd better wear a _not to go outwear a maskDiscussionWhat can we do to stop sandstorms?Protect our environment recyclingRemember to throw rubbish in the bins and keep public places clean and beautiful for everyone.Sorted Collection and Charging 垃圾分类处理和回收 Save waterWe s

16、hould be more careful with our water,try to use less and recycle as much water as possible.To cut down air pollution,we should take the bus or subway instead of drving.Planting more treesPlease call on every one around you-Save our earth!Give some GREEN to the earth!Thank you!Homework1.Finish exercises in workbook on pages 86-88.2.Preview Grammar in this module.