九年级英语The Great Green Wall ppt课件.ppt

* The Great Green Wall Lesson 42, B3 ,JEFC No.1 Middle School Lily What do you think is happening in the picture? Why are people covering their heads or wearing a hat? Why does it happen? What has happened? If people keep on destroying the forests like this,what do you think will happen to us? There’re fewer trees and less grass. There is no tree nor grass nor animal nor bird . Nothing but sand is left.People have to move to other places. What do you think of what you see? The land has become too dry for plants to grow! Say something about what you see in the pictures.. The bridge has been washed away by the floods. The city is being attacked by a flood. The fields and the villages are covered by water. What will happen if too many trees are cut down? 1.Forests will disappear,leaving the sand only. 2.Birds and animals will have no homes to stay in. 3. People will lose their rich land, and have no food to feed them or live on. 4.There’s nothing to stop the rain from hitting the land directly and as a result,the good soil will be washed away. 5.There’s nothing to stop the wind and the wind will become stronger and blow away the soil. . 6.The land will become too dry. The droughts and floods will often happen. People will lose their homes, even their lives . What do we have to do to prevent the sandstorms, or the floods or the droughts from happening ? We must build more Great Green Walls . Now let’s see what the Great Green Wall is like. Read the passage and answer the questions on the workbook. Language Points run away 流失，逃跑， 逃走 Don’t run away. I’ve something to say to you. run away from 跑着从……离开 He ran away from home. wash away 冲走 right away 立刻， 马上 put away 收好， 放好 go away 离开 blow away 吹走 far away遥远 be away from 远离 keep sb. /sth. from doing sth. = prevent/ stop sb. /sth. (from) doing sth. 阻止某人/ 某物做某事 The bells keep me