外研版高一英语Module 4 Sandstorms in Asia Introduction%2Creading %26 vocabulary(共52张PPT).ppt

3. What do you think happens to traffic in this situation? Why? It moves very slowly. Because it is not clear to see everything on the road and People must take great care. 4. What do you think experts advise people to do in this situation? Stay at home. Part I (Para. 1): Part II (Para. 2-5): Part Ⅲ (Para. 6): Major disaster in Asia- Sandstorm. Description; Cause; Influence; Suggestion Measures Reading Vocabulary -2. Read the passage, and get the main ideas of each part. 1.?Sandstorms are strong winds carrying ___________ through the air. A. dirt and mud B. rain and heat C. sand and dust D. cloud and snow Reading Vocabulary -3 Read and choose the best answers. C 2. What do the experts advise people to do when a sandstorm arrives in the city? A. Don’t go out B. Don’t wear masks. C. Don’t go to work as usual. D. Don’t ride bicycles A 3. The factors that cause land to be desert are ______. A. cutting down trees. B. digging up grass C. climate changes D. all of the above D 4. From the last paragraph we know _______. A. the government won’t plant trees any more in five years B.?the distance between the desert and the center of Beijing is only 250 kilometers. C. more than 30 million trees have been planted in Beijing D. the government is taking measures to prevent sandstorms D Central Asia, North America, _________________________ The main places where sandstorms frequently occurred Sandstorms are __________________________________________________. Definition Sand storms in Asia strong, dry winds that carry sand Central Africa and Australia Reading Vocabulary -4 Read the text carefully and complete the following chart. Sandstorms begin in desert areas and have increased as a result of ___________ these years. In Beijing the storms sometimes continue all