1、Introduction and ReadingPlease look at these pictures.But one day something happened.There is strong,dry wind and the sky is yellow.The sand almost buries the car.What natural disaster is it?It is a _.It is very _.sandstormfrighteningLook at the picture below and complete the sentences using the cor
2、rect form of these words.There has been a _.It _ _ for ten hours and was very _.The wind _ the sand high around the houses,and some cars were almost completely _ by the sand.sandstorm lasted/has been blowingfrighteningwas blowingburiedhasblow bury frightening last(v)sandstormCheck the meaning of the
3、se words and discuss these statements and decide which statements are false.1 Sandstorms begin in desert areas.2 Deserts are created by climate changes.dig earthquake protect sign the Pacific Ocean3 Deserts are also crested because people cut down trees and dig up grass.4 Sandstorms from Asia have b
4、lown across the Pacific Ocean to American.5 Sandstorms cant be prevented.6 The inland region has more sandstorms than the one near the sea.The fifth is false.1.Whats the cause of sandstorm?2.What should you do in a sandstorm to protect yourself?3.Where in China do sandstorms begin?4.Which do you thi
5、nk is more dangerous,an earthquake or a sandstorm?Say why.5.If you are in a desert,what is the first sign of a sandstorm?6.Have you ever been in a sandstorm?If yes,describe it to your partner.The cause of sandstorm cutting down too many trees;desertification(沙漠化);high temperature and little rain;ser
6、ious air and water pollution;the growing population of the world;improper use of land;rapid spread of urbanization.We shouldnt go out.We have to wear hoods,masks and glasses.Cars slow down and have to turn on headlight.What we should do in a sandstorm to protect ourselves:Can you guess the words fro
7、m these definition?1.to ride a bicycle _2.someone who knows a lot about a particular subject _cycleexpert4.someone who lives in a particular town or country _citizen5.very small bits of dirt or earth,on the ground or in the air _dust3.things that happen one after another,and have a result _process7.
8、to say what will happen _8.everything that is happening at a particular time _forecastsituation6.to continue to live after a difficult or dangerous situation or event _surviveLook at the photos.Read the text quickly and answer the questions.2.What is the cyclist wearing and why?1.What is happening?T
9、here is a sandstorm blowing.Theyre wearing hoods,masks and glasses to protect themselves.3.What do you think happens to traffic in this situation?Why?It moves very slowly.Because it is not clear to see everything on the road and people must take great care.Stay at home.4.What do you think experts ad
10、vise people to do in this situation?Find the main idea of each paragraph.Para.1Para.2Para.3Para.4Para.5Para.6A.the description of sandstormsB.the influence of sandstorms to Beijing.C.the measures the government takes to prevent sandstormsD.Sandstorms have been a major disaster in Asia for centuries.
11、E.the suggestions the weather experts give to peopleF.the cause of the sandstorms in the northwest China.Para.1Para.2Para.3Para.4Para.5Para.6I.Read the passage carefully and choose the best answers.1.Sandstorms are strong winds carrying _ through the air.A.dirt and mud B.rain and heat C.sand and dus
12、t D.cloud and snow 2.What do the experts advise people to do when a sandstorm arrives in the city?A.Dont go out B.Dont wear masks.C.Dont go to work as usual.D.Dont ride bicycles 3.The factors that cause land to be desert are _.A.cutting down trees.B.digging up grassC.climate changes D.all of the abo
13、ve4.From the last paragraph we know _.A.the government wont plant trees any more in five yearsB.the distance between the desert and the center of Beijing is only 250 kilometersC.more than 30 million trees have been planted in Beijing D.the government is taking measures to prevent sandstormsII.Comple
14、te the following chart.Sandstorms in AsiaDefinitionSandstorms are 1._.The main places where sandstorms frequently occurredCentral Asia,North America,2._strong,dry winds that carry sandCentral Africa and AustraliaSand-storms in AsiaSandstorms in ChinaSomething about the sandstorms in China Sandstorms
15、 begin in desert areas and have increased as a result of 3._ these years.desertificationSand-storms in AsiaSandstorms in ChinaSomething about the sandstorms in China In Beijing the storms sometimes continue all day and the 4._ makes traffic move very slowly.Sometimes the strength of the storm is 5._
16、,and its difficult to breathe.thick dustsurprisingSand-storms in AsiaSandstorms in ChinaWays to solve the problem6._ has been started to help solve it and the government has already planted 7._ trees and plans to 8._ for the next five years.A mass campaignmore than 30 billioncontinue plantingIII.Rea
17、d Sandstorms in Asia again.Complete these sentences.1.The winds in a sandstorm can sometimes _.1.When Ren Jianbo was living in Inner Mongolia _.prevent you from seeing the sunhe experienced a terrible sandstorm3.Sandstorms in China appear to have increased _.4.Cutting down trees and digging up grass
18、 can _.because of desertificationcause deserts and sandstorms to increase5.Traffic moved very slowly because _.6.The government is planting trees to the west of Beijing to _.the drivers cannot seeprevent the Desert coming nearerComplete these sentences using words from Sandstorms in Asia.The first l
19、etter is provided for you.1.Weather experts have f_ another big sandstorm in a weeks time.2.Its f_ to be outside in a sandstorm.orecastrightening 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.5.Desertification is a long
20、p_ that takes many years.6.Many Beijing c_ cycle to work.urvivedustrocessitizensWhat measures should we take to prevent sandstorms coming?1.We should plant more trees and growmore grass.2.Control air and water pollution.3.Build green fences along the desert.4.Forecast sandstorms real time toprevent
21、disaster.5.Establish sandstorm data bank andcollect information about sandstorms.6.All countries should join hands topropose a plan in sandstormscontrol and prevention.请根据以下提示,针对山东北部遭受沙尘暴袭击的情况,向报社投稿,呼吁大家植树造林,保护环境。1.过去家乡树木成林。2.如今人们毁林种地建房。3.气候变化,土地沙漠化。4.植树造林,人人有责。Dear Editor,Im a student at a Shandong
22、 middleschool Dear Editor,Im a student at a Shandong middle school.My hometown used to be a beautiful place.Thick forest and green grass could be seen everywhere.However,because of climate changes,it rains little now.In order to build houses and grow more crops,people there cut down more and more tr
23、ees.As time went on,the forests were seriously destroyed.As a result,sandstorms struck us now and then,from which people suffered a lot.To prevent the process of desertification,I hope that all the people take good care of the forest and plant more trees instead of cutting them down.Then our living conditions will soon be improved.1.Find more information about sandstorms on the internet or other books and write a short passage about sandstorms.2.Design a poster that encourages people to protect the environment.