1、Module 4 Sandstorms in Asia,Do you still remember the disasters we learned about in Module 3?,Can you find out which one of the following pictures refers to a sandstorm?,1,2,3,4,5,6,snowstorm,drought,flood,hurricane,sandstorm,thunderstorm,Pre-reading,hat is happening?,Sandstorm, thick wind, blow, de

2、sertification,What do you think happen to traffic in this situation? Why?,People drive slowly. Because it is not clear to see everything.,What are the cyclists and the walkers wearing and why?,Masks, glasses, hoods(風(fēng)帽),Introduction-1. Vocabulary (5m) Use the words in Activity 1, Page 31 to fill the

3、blank.,This is a_. It has_for ten hours and was very_. The wind is_the sand high around the house.,People are _ in the sandstorm. Sometimes the sand can_the whole building.,sandstorm,lasted,frightening,blowing,frightened,bury,blow bury frighten last (v) sandstorm,cars slow down and have to turn on h

4、eadlight,Sometimes delay the flights,Prediction: If you are to write the article named “Sandstorms in Asia”, how many parts will you include in it? What will you write in each part?,Activity I: Fill in the diagram with one proper word.,Part I:,part II:,Part III:,disaster,sand- storm,discrip-tion,cau

5、se,influence,suggestion,Measures/solutions,New words,Match the words with the following definitions:,forecast cycle( v ) dust expert process survive,1.some who knows a lot about a particular subject _ 2.things that happen one after another, and have a result _ 3.very small bits of dirt or earth, on

6、the ground or in the air _ 4.to say what will probably happen _ 5.to continue to live after a difficult or dangerous situation or event _ 6.to ride a bicycle _,expert,process,dust,forecast,survive,cycle,1.What is sandstorm?,3.whats the weather experts advice when a sandstorm comes?,Sandstorms are st

7、rong, dry winds that carry sands.,They advise us not to go out. If we have to ,wed better wear a mask.,Fast reading,2.Where in the world are the main four sandstorms places?,Central Asia, North America, Central Africa and Australia.Northwest China,North America,Central Africa,Australia,Central Asia,

8、major sandstorm centers in China,Gansu and Western Inner Mongolia,Beijing and Northeast Inner Mongolia,How far is the desert away from Beijing?,Part ,Careful-reading,1. Scientists have tried many ways to deal with sandstorms.,2. Land becomes desert only because people cut down trees and dig up grass

9、.,3. The Chinese Central Weather Station can not forecast sandstorm some weeks before it comes.,4. Our government has planted more than 30 billion trees and plans to continue planting for the next 5 years.,Decide if the following statements are true ( )or false(),Match the main ideas with each part,

10、Part I (para 1) :,Part II (para2-5) :,Part (para6):,major disaster in Asia -sandstorm,Measures/solutions,description ； cause ； influence ； suggestion,Careful-reading,strong, dry winds_, the most _and dangerous,Desertification ；_ changes ； _ trees；_ grass,an _sky, strong_, city in a thick, brown-yell

11、ow _ move slowly,difficult to see and breathe,not to go out , wear a mask,orange,winds,climate,cut down,dig up,frightening,dust,that carry sand,Discussion:What measures should we take to prevent sandstorms coming?,歌曲環(huán)保,環(huán) 保,措 施,trees are cut down,nothing to hold.,soil is blown away,soil is washed int

12、o,歌曲環(huán)保,too many sheep and cattle,all the grass be eaten,grass never grow again ; the land become desert,because of cloven hoofs,We should plant more trees and grow more grass. Control air and water pollution. Build green fences along the desert. Forecast sandstorms real time to prevent disaster. Est

13、ablish sandstorm data bank and collect information about sandstorms. All countries should join hands to make a plan in sandstorms control and prevention.,歌曲環(huán)保,What should we do to solve the problem?,Language points,1. last vi. 繼續(xù)，延續(xù)， adj 最后的，最近的 lastly adv 最后地 ， lasting adj 持續(xù)的 last + (for/until/thr

14、ough) + time The meeting will last (for) two weeks. Each lesson lasts 40 minutes in our school.,The conference lasted from Monday to Friday. The operation continued for three hours. The wet weather will continue for another week. He is the last one to steal our money. As to me, you are the last pers

15、on to trust. In the last few weeks, he has made great progress in study. last but not least 最后也是最重要的 next / second to last 倒數(shù)第二 last out 堅(jiān)持夠用，維持 Will the coffee last out until next week?,2. fright (n) frighten (vt) frightened (adj) frightful /frightening (adj) scare (vt) scary ,scared (adj) ( much)

16、to ones fright 讓某人特別害怕的是 frighten sb to death frighten sb into doing sth 嚇地某人做某事 frighten sb out of doing sth嚇地某人不敢做某事 be frightened at / of /with /by sth His story frightens me out of telling the truth. To my fright, there comes a snake in the grass. 3. cut down 砍倒, 削減 cut up =cut into pieces cut a

17、cross 抄近路 cut in / into 插嘴 cut off 隔絕, 切斷 cut at 對(duì)準(zhǔn)(某人)猛擊 cut out 裁剪, 刪除,1) I took a short cut across the field to get to school. 2) His attacker cut at him with a razor. 3) The surgeon cut out all the diseased tissue. 外科大夫把壞了的組織都切除掉。 4) He was cut off in the hospital for a month. 他在醫(yī)院整整呆了一個(gè)月時(shí)間. 4.

18、prevent (v) prevention (n) preventive (adj) protect (v) protection (n) protective (adj) prevent / stop sb (from) doing keep sb from doing protect sb from /against sth We are prevented / stopped by the rain from passing the river. Children should be protected from violence. He raised his hands to protect eyes from the sunshine.,注意區(qū)別prevent , defend , protect 和guard. prevent 表示防止, 阻止不讓某事發(fā)生 defend 表示抵御擊退外來威脅或攻