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1、IntroductionReading and VocabularyPlease look at these pictures. How beautiful they are !But one day something happened .buryThe sand almost buries the house .What natural disaster is it ?It is a sandstorm .It is very frightening.SandstormSandstorms are strong, dry winds that carry sand.SandstormsIt
2、s dangerous to go out.People have to wear hoods, masks and glasses.Cars slow down and have to turn on headlights.Look at the picture below .Complete the sentences using the correct form of these words .blow bury frightening last (v) sandstormThere has been a . It for ten hours and was very . The win
3、d the sand high around the houses , and some cars were almost completely by the sand .sandstormhas lasted frighteningwas blowingburiedThe day before yesterdayYesterdayTodayLook at these pictures .Now work in pairs . Discuss the following statements and decide which statement is false .( / )( )( / )(
4、 / )( / )( / )1. Sandstorms begin in desert areas .2. Deserts are created by climate changes .3. Deserts are also created because people cut down trees and dig up grass .4. Sandstorms from Asia have blown across the Pacific Ocean to America .5. Sandstorms cant be prevented .6. The inland region has
5、more sandstorms than the one near the sea .Answer the questions with the help from Activity 2, Page31.1.Where do sandstorms begin?2. What causes deserts? 3. How does the sandstorm affect different places?4. What differences between sandstorms in different areas?Sandstorms begin in desert areas.Deser
6、ts are created by climate changes and also created because people cut down trees and dig up grass.Sandstorms from Asia have blown across the Pacific Ocean to America. The inland region has more sandstorms than the one near the sea.Look at the photos . Answer these questions . 1. What is happening ?2
7、. What are the cyclists wearingand 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 ?Answers: 1. What is happening ? There is a sandstorm blowing. 2. What are the cyclists wearing and why ? Theyre wearing hoods
8、, 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. 4. What do you think experts advise people to do in this situation ?Stay at home.L
9、isten to the tape and choose the best answer 1.Sandstorms are strong winds carrying_through the air( )A.sand and dust B.rain and heat C.dirt and mud 2.Which of the following doesnt belong to the main places where there are sandstorms?( )A.Central Asia B.Central Africa C.North Europe 3.What do the ex
10、perts advise people to do when a sandstorm arrives?( )A.Dont wear mask B.Dont go out C.Dont go to work as usual.ACBHow many parts can this article be divided into ?Read again and try to find the answer to the question .Part I (para 1) :Part II (para2-5) :Part (para6):major disaster in Asia- standsto
11、rmmajor disaster in Asia- standstormmeasuresmeasuresdescriptiondescription causecauseinfluenceinfluence suggestionsuggestion.Match the words with the definitionscitizen cycle (v) dust expert forecast process situation survive 1. to ride a bicycle cycle2. someone who knows a lot about a particular su
12、bject3. things that happen one after another , and have a result expertprocess 4. someone who lives in a particular town or country5. very small bits of dirt or earth , on the ground or in the air6. to continue to live after a difficult or dangerous situation or event 7. to say what will probably ha
13、ppen 8. everything that is happening at a particular timecitizendustsurvive forcast situationFinish the exercise at Activity 3, Page 33.Answers:1. _2. _3. _4. _BBAAFinish the exercise at Activity 4, Page33. Answers: 1. prevent you (from) seeing the sun / be strongenough to move sand dunes. 2. he exp
14、erienced a terrible sandstorm. 3. as a result of desertification. 4. cause the climate to change and make the land become desert. 5. the thick dust makes it difficult to see / the drivers cannot see clearly. 6. prevent the desert coming nearer.Finish the exercise at Activity 5, Page33.n1.forecast(ed
15、)n2.frighteningn3.survivedn4.dustn5.processn6.citizenscyclistsAnswers:Work in groups of 4-6 . Discuss these questions . The team leaders from each group report their answers to the class . 1. What should you do in a sandstorm to protect yourself ?2. Which do you think is more dangerous , an earthquake or a sandstorm ? Say why . 3. Where in China do sandstorms begin ? 4. If you are in a desert , what is the first sign of a sandstorm ? 5. Have you ever been in a s
