1、tornadohurricaneNatural Disastersearthquakesandstormlightningvolcanic eruptionModule 4 Sandstorms in AsiaBCDANorth AmericaCentral AfricaAustralia Central AsiaBCAInner MongoliaGansuXinjiangFast reading:nn Para.1 a.the description of sandstorms Para.1 a.the description of sandstorms nn Para.2 b.the ca
2、uses of sandstorms Para.2 b.the causes of sandstorms nn Para.3 c.a major disaster in Asia Para.3 c.a major disaster in Asia nn Para.4 d.the effects of sandstorms Para.4 d.the effects of sandstorms nn Para.5 e.the governments measuresPara.5 e.the governments measuresnn Para.6 f.the forecast and sugge
3、stions Para.6 f.the forecast and suggestions Further reading:1.Sandstorms are strong winds carrying _ through the air.1.Sandstorms are strong winds carrying _ through the air.A.dirt and mud B.rain and heat A.dirt and mud B.rain and heat C.sand and dust D.cloud and snow C.sand and dust D.cloud and sn
4、ow 2.What do the experts advise people to do when a sandstorm arrives in the city?2.What do the experts advise people to do when a sandstorm arrives in the city?A.Dont go out B.Dont wear masks.A.Dont go out B.Dont wear masks.C.Dont go to work as usual.D.Dont ride bicycles C.Dont go to work as usual.
5、D.Dont ride bicycles 3.The factors that cause land to be desert are _.3.The factors that cause land to be desert are _.A.cutting down trees B.digging up grass A.cutting down trees B.digging up grass C.climate changes D.all of the above C.climate changes D.all of the above4.From the last paragraph,we
6、 know _.4.From the last paragraph,we know _.A.the government is taking measures to prevent sandstorms.A.the government is taking measures to prevent sandstorms.B.the distance between the desert and the center of Beijing is only 250 B.the distance between the desert and the center of Beijing is only
7、250 kilometers.kilometers.C.more than 30 million trees have been planted in Beijing.C.more than 30 million trees have been planted in Beijing.D.the government wont plant trees any more in the next five years D.the government wont plant trees any more in the next five years研读：语篇理解及讲练：nn11）“,a mass ca
8、mpaign has been started to,a mass campaign has been started to help solve it.“help solve it.“In the sentence above,“it”refers to In the sentence above,“it”refers to the problemthe problemnn22）研读第一段，完成）研读第一段，完成“it”it”的的词汇衔接词汇衔接链条：链条：词汇衔接词汇衔接:指通过词汇选择在语篇中建立一贯穿指通过词汇选择在语篇中建立一贯穿语篇的链条语篇的链条,从而建立语篇的连续性。从而建立语
9、篇的连续性。Sandstorms _ _ it Sandstorms _ _ it nn 3）“The four main places in the world(where there are sandstorms)are Central Asia,North America,Central Africa and Australia.”括号中的句子是什么从句？(B )A.地点状语从句 B.定语从句C.宾语从句 D.主语从句nn 4)“traffic moves very slowly because the thick dust makes it difficult to see.”“tra
10、ffic”means B A.交通 B.车辆nn 5)“Already the government has planted more than 30 billion and plans to continue planting for the next five yeas.”“Plans”的词性是 B A.verb B.nounfrightening,frightening,orange sky,orange sky,strong strong wind,wind,thick dust,thick dust,slowlyslowlyn dirty,breathe,mask,cycling,t
11、raffic,etc.Question:How do sandstorms affect peoples life 听录音，课文缩写填空：Sandstorms have been a major disaster for Sandstorms have been a major disaster for many Asian countries for centuries.many Asian countries for centuries.Sandstorms are strong,dry winds.The wind is Sandstorms are strong,dry winds.T
12、he wind is sometimes sometimes strong enough tostrong enough to move sand dunes.“move sand dunes.“To have been caughtTo have been caught in a sandstorm was a terrible in a sandstorm was a terrible experience,”experience,”RenRen JianboJianbo said.said.Desertification is a process that happens Deserti
13、fication is a process that happens because people because people cut downcut down trees and trees and dig updig up grass.grass.Traffic moves very slowly because the thick dust Traffic moves very slowly because the thick dust makes makes itit difficult difficult to seeto see.So weather experts.So wea
14、ther experts advise advise people not to go out.people not to go out.To To prevent it prevent it coming coming nearer,the government is planting trees.nearer,the government is planting trees.Discussion:两人小组活动：以“沙尘暴”为话题采访Talk about sandstorms in pairs,You can ask the following questions:What is a san
15、dstorm?What are the causes of sandstorms?What should we do if sandstorms occur?How can we prevent sandstorms?Homework: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.
