外研版必修三Module4-Introduction Reading vocabulary.ppt

3. The cause of sandstorms The cause of sandstorms is ______________ (a_______ in which land becomes desert). A. ________ changes B. People __________ trees and _________ grass. 4. The harm of sandstorms to c______ A.Thick ________ covers the city. B.________ moves very slowly. C.To be ________ in a sandstorm is frightening. D.________ makes people breathe difficult. 6. General structure of the passage Sandstorm in Asia IntroductionReading vocabulary Module Four There 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 lasted frightening was blowing buried One of the witness describes the sandstorm Introduction-1: Complete the sentences using the correct form of the words. 1.What is happening? 2.What is the cyclist wearing and why? 3.What do you think happens to traffic in this situation? Why? There is a sandstorm blowing. 2.They’ve wearing hoods, masks and glasses to protect themselves. 3. It moves very slowly. Because it is not clear to see everything on the road and people must take great care. Look at the pictures and answer the questions. Free Powerpoint template from * Where in China do sandstorms begin? Xinjiang, Gansu and Western Inner Mongolia Beijing and Northeast Inner Mongolia Introduction-2 (pair work) Sandstorms begin in desert areas. Deserts are created by climate changes. Deserts are also created because people cut down trees and dig up grass. Sandstorms from Asia have blown across the Pacific Ocean to America. Sandstorms can’t be prevented. The inland region has more sandstorms than the one near the sea. × Read the text and tell the definition of sandstorm Sandstorms are strong dry winds that carry sand. Fast Reading What other aspects are mentioned in this passage? causes and effects suggestions  measures … How