Module 4 Sandstorms in Asia Introduction&Reading and vocabulary 课件（25张PPT）

课件25张PPT。Module 4
Sandstorms in Asia Introduction Reading & vocabularyPlease look at these pictures.
How beautiful they are !frightening,
orange sky,
strong wind,
thick dust,
slowlysandstormThere had 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 lastedfrighteningwas blowingburiedOne of the witness describes the sandstormIntroduction-1: (Page 31)Look at the picture and work in pairs to discuss these questions.1.What is happening?
2.What is the cyclist wearing and why?
3.What do you think experts advise people to do in this situation?

Reading & Vocabulary PredictionThere is a sandstorm blowing. They’re wearing hoods, masks and
glasses to protect themselves.Stay at home.citizen cycle (v) dust expert
forecast process situation survive 1. to ride a bicycle cycle2. someone who knows a lot about a particular subject3. things that happen one after another , and have a result expertprocess4. 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 happen 8. everything that is happening at a particular timecitizendustsurviveforecastsituationMatch the words with the definitions . Fast ReadingWhat are covered in this passage?Para.1 Introduction
Para.2 where & experience
Para.3 cause
Para.4 effect
Para.5-6 measures
Detailed ReadingPara.1 Introduction
Para.2
Where do the sandstorms mainly occur?
Can you tell the experience of Ren Jianbo?
Para.3
What’s the cause of the sandstorm?
Para.4
What’s the effect of the sandstorm?
Para.5-6
What are measures taken to prevent the sandstorm from coming?
What four main places are there sandstorms in the world?North AmericaCentral AfricaAustralia Central Asia1What are major sandstorm centers in China?Xinjiang, Gansu and Western Inner MongoliaBeijing and Northeast Inner MongoliaThe experience of Ren Jianbo in a sandstormIt is a ________ experience, the most ________ and the most dangerous ________. terriblefrighteningsituationThe cause of sandstorms
The cause of sandstorms is ______________
(a_______ in which land becomes desert).
A. ________ changes
B. People __________ trees and _________
grass.
desertificationprocessclimatecut downdig upPara.3The day before yesterdayDesertificationThe harm/effect of sandstorms to c______A.Thick ________ covers the city.
B.________ moves very slowly.
C.To be ________ in a sandstorm is
frightening.
D.________ makes people’s breathing difficult.dustTrafficcyclingitizensDustParas.4&5The measures of reducing
the harm of sandstormsA.________ a sandstorm before it occurs.
B.Take ________ advice and do not go out.
C.Wear a ________.
D.Plant trees to ________ it coming nearer.Forecast experts’ maskprevent Para.5&Para.61.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. FTFmasspart ofRead the passage carefully and decide if the sentences areTrue or False .4.The Chinese Central Weather Station can only forecast a sandstorm some months 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. westF
T
weeksF Sandstorms begin in _____ _____. Sandstorms ______ ___have
increased ___ ___ _____ ___ desertification, which happens when
land becomes desert _______ ___ climate changes and because people____ ____ trees and ___ ___ grass.
Ren Jianbo described a _______ sandstorm he __________ : “It was the most __________and the most_________ situation.” Huang Xiaomwei says,“__ __ ______ in a sand storm is __________. It is difficult to ______ in the strong wind.” Citizens ____ ___ to an _____ sky and strong winds that _____ the city in a ____, ___________ dust. In that situation, traffic _____ ____ ______because the thick dust ______ ___ _______to see. Weather experts _______ people ___ __ go out when a sandstorm arrives. If you want to go out, you ______ _____ _____ a mask.
Scientist have _____ _____ ______to ____ the problem and a _____
________ has been started. To _______ it _______ nearer, the government is planting trees and plans to _______ planting for the next five years.

desertareasappeartoas aresultofbecauseofcutdowndigupterribleexperiencedfrighteningdangerousTo becyclingfrighteningbreathewakeuporangecoverthickbrown-yellowmovesveryslowlymakesitdifficultadvisenottohadbetterweartriedmanywayssolvemasscampaignpreventcomingcontinueConsolidationIn order to protect our earth, many Green Movements have been held all over the world, what should we do? Summary:1. We should plant more trees and grow
more grass.
2. Control air and water pollution.
3. Build green fences along the desert.
4. Forecast sandstorm’s real time to
prevent disaster.
5. Establish sandstorm data bank and collect
information about sandstorms.
6. All countries should join hands to propose a plan
in sandstorms control and prevention.
Let’s do the activity!Assignments:(Homework)Assignments:(Homework)1.Work in groups of four to design a poster that encourages people to protect the environment. (Samples for the slogans: Save our earth. / The Earth Is Yours. Save It!/…)
2.Finish the exercises 4&5 on Page 33. Thank you for your listening!