module4 sandstorms in asia沙尘暴

1、tornadohurricaneNatural Disastersearthquakesandstormthunderstormvolcanic eruptionModule 4 Sandstorms in AsiaReading &VocabularyHow beautiful it is !What are they doing?Cut down treesDig up grassWhat happened one day?desertificationReading and vocabulary Look up these words in a dictionary . Then

2、 match the words with their definition .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 co

3、untry.5.very small bits of dirt or earth , on the ground or in the air.6.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 time.citizendustsurviveforcastsituationPre-reading Look at the photo. Ans

4、wer the questions.1.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?Answers:1. There is a sandstorm blowing.2.Theyve wearing hoods, masks and glasses to protect th

5、emselves.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.Read the passage quickly and match the main idea of each paragraph.Fast reading:vPara.1 a. the description of sandstorms vPara.2 b. the causes of sandstorms vPara.3

6、 c. a major disaster in Asia vPara.4 d. the effects of sandstorms vPara.5 e. the governments measuresvPara.6 f. the forecast and suggestions Fast reading:Read the passage quickly and match the main idea of each paragraph.Central AsiaNorth AmericaCentral AfricaAustralia Desertification， climate chang

7、es 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 mast plant treesCareful readingThis time you should read the text very carefully and then retell the text according to the form .Do not loo

8、k at your books. 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 s

9、ays,“_ _ _ 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

10、, 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. ARE YOU READY ? EVERYONE SPEAK OUT. desert areasappear toas a result ofbecause ofcut downdig upterribleexperiencedfri

11、ghteningdangerousTo becyclingfrighteningbreathewake upcoverthickbrown-yellowmovesvery slowlymakesitdifficultadvisenot tohadbetter weartried manywayssolvemasscampaignpreventcomingcontinueorangev1. The winds in a sandstorm can sometimes _v2. When Ren Jianbo was living in Inner Mongolia _ v3. Sandstorm

12、s in China appear to have increased _v4. Cutting down trees an digging up grass can _v5. Traffic moved very slowly because _v6. The government is planting trees to the west of Beijing to _Post readinghe experienced a terrible sandstorm. as a result of desertification.cause deserts and sand-storms to

13、 increase.the thick dust makes it difficult to see / the drivers cannot see clearly.prevent the desert coming nearer. After reading the passage, complete these sentences.prevent you (from) seeing the sun / strong enough to move sand dunes.SummaryIn this period ,we learned some vocabulary and you shoud keep them in mind after class .After reading the text,we have had a brief view of sandstorm ,they remind us that the environment is deeply in need of protection ,so it is t