山东省威海二中高中英语 Book III Module 4 Sandstorms in Asia学案 外研版必修3.doc

book iii module 4 sandstorms in asia课前学习目标：1.知识和技能：通过阅读文章，学习了解文章内容及篇章结构，让学生们认识到人类对环境的破坏并呼吁人们爱护环境。2.情感态度：加深对祖国的了解和热爱，呼吁人类保护我们的地球。学法指导：自主、探究式一、 热身导航：1.预习课本p31的内容并完成课本part1相关的练习。2通过略读和详读相结合，了解p32文章的主要大意，并能完成p33 part2,3.5相关的练习。二、预习成果小验收：1.词义配对 strength a.make you feel afraid or nervous forecast b.a series of actions intended to achieve a particular result, especially in politics or business citizen c.things that happen one after another, and have a result campaign d.to say what will probably happen process e.someone who lives in a particular town or country frightening f. the quality or degree of being strong; force2.用所给动词的适当形式填空 bury process citizen survive dust sandstorm damage 1) no one has lived in this house for years. the furniture is covered with a lot of_ 2) the boy died bravely for his country, so he was _ like a soldier. 3) when a _ comes, the air is full of small dust and people have difficulty in walking or riding. 4) any chinese_must obey the law of the peoples republic of china even if he is not in china. 5) after the food, many houses were_,and many people became homeless. 6) sadly, few animals_ that terrible forest fire. 7) desertification is a long_ that takes many years. 三、热身加油站 the dust bowl of the 1930s was the worst agricultural disaster in the history of the united states. for nearly 10 years dust blew on the southern plains of america. people couldnt breathe when they went outside and children wore dust masks to school. the sky was often dark for days. over 200,000 people were forced to leave their homes and moved west to the cities.the disaster _ bad farming methods and several years with very little rainfall made things worse. the land dried up and the wind blew the soil away. over 5 million acres of land became desert during the dust bowl. it took over thirty years to reverse the process and to replant the land.and now it is happening all over again in other regions of the world. for example, in some areas of northwest china desertification is also a serious problem. experts say that about 2,300 sq km of agricultural land is turned into desert every year. and the causes and consequences are the same as the dust bowl. fortunately, the chinese government is fighting desertification by improving farming methods and planting trees and grass. however, there is still a lot to be done before people can farm the land again.1.what is the best title of the passage?_2.translate the underlined sentences into chinese._3.fill in the blanks with suitable words._+四、收获与反思the article above is a about the topic “san