(
课件网) Module4 Sandstorms in Asia How beautiful it is ! But one day something happened. What natural disaster is it It is a _____. It is very _____. sandstorm frightening A B C D North America Central Africa Australia Central Asia Module 4 Sandstorms in Asia Reading Match the paragraphs with their main ideas c. a major disaster in Asia a. the description of sandstorms b. the causes of sandstorms e. the government ’ s measures f. the forecast and suggestions d. the effects of sandstorms para.1 para.2 para.3 para.4 para.5 para.6 I. Read the passage and choose the best answers. 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 Fast-reading — Scanning(查读) 方法指导 1先看题，明确查询信息的特点 2快速阅读，找到关键词 3停下细读，理清答案 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 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 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 major disaster definition Main sandstorm places in the world causes effects suggestions measures climate changes cut down trees dig up grass pollute the atmosphere/environment reduce visibility(能见度) Make traffic move slowly plant trees desertification not to go out, wear a mask sandstorms Central Asia, North America, Central Africa, Australia strong, dry winds that carry sand Sandstorms are so terrible that they pollute the atmosphere and even the environment .And they reduce the visibility, which makes traffic move very slowly. Air pollution Water pollution What is the biggest problem facing the earth wastes Discuss in groups: what should we do to protect our environment 1. We can’t throw litters on the ground. Recycle and reuse as many things as possible. 2. It is a good way to ride a bike instead of driving a car . 3. Protect forests and try to plant more trees and grow more grass. 4. We should save more water, electricity, food and so on. Water is the source of life, but it is not inexhaustible. If we do not take action now, the last drop of water in the world would be man’s tear! 水是生命之源，但它却不是取之不尽，用之不竭的。如果我们现在不采取行动，世界上的最后一滴水将是人类的眼泪！ Homework: 1.Retell the text and write it down on your exercise book. 2.Write a short passage about how to protect the environment.
