Sandstorms in Asia阅读与词汇教案.doc

Module 4 Sandstorms in AsiaDesigned by Zhang Mei乐山市延风中学 张梅I. The function of this period:The Reading part- Sandstorms in Asia is in the second period of the whole module. It introduces the status of sandstorms in Asia, especially in China, and some words about sandstorms and environmental protection. It includes the key words, sentence patterns and grammar of this module.II. Teaching aims and demands:1. Knowledge：Help the students learn the following words and phases: mass,campaig,dune,desertification,process,citizen,dust,forecast,strength,cycle,mask,be caught in, a terrible experience, prevent(from) doing, in recent years, as a result of, cut down trees and dig up grass. 2. Skills：Train students ability of summarizing.Train students ability of understanding the vocabulary by learning in the context.3. Cultural awareness:Enable the students to talk about the cause and influence of sandstorms，and the ways to solve the problem in order to increase their sense of protecting the environment.III. Teaching aids: A computer, a tape recorderIV. Teaching Methods:1. CAI2. Pair/Group/Class WorkV. Teaching StrategyConclude and collect the words and phrases related to environment and environmental protection. Encourage the students to search the information on the Internet to gain more knowledge of sandstorms and environmental protection.VI. Teaching Procedures:Step 1 Revision 1. Get the students to list the natural disasters they have known.2. Create word webs and think of the expressions that are related to them.Step 2 Lead-in:In module 3, we mainly talked about tornadoes and hurricanes. Today we are going to focus on another disaster. Now watch a video clip and answer the questions: What disaster is happening? Can you use some adjectives to describe it?What do you know about sandstorms?Step 3 Pre-readingGet the students to read the title and look at the photo. Then predict what the article will talk about.设计意图：让学生根据标题和插图来预测课文内容，以此来培养学生积极思考的习惯，并使阅读更有目的性。Step 4 While-reading1.Fast readingRead the passage quickly and try to summarize the main idea of each paragraph by using one word.Para. 1 introductionPara. 2 featuresPara. 3 causesPara. 4 effectPara. 5 advicePara. 6 measures设计意图：培养学生快速阅读,概括大意的能力。 2. Careful reading Read the passage again and fill in the table.Sandstorms in AsiaCauses Sandstorms, begin in _and appear to have increased in recent years as a result of _. It is a process that happens when land becomes desert because of _and because people _ and _. EffectCitizens wake up to a(n) _sky and strong wind that covers the city in a thick _. The sandstorms sometimes _all day and affect traffic.MeasuresA _ has been started in ChinaThe government has already planted over _trees and plans tocontinue planting for the next _years. AdviceExperts advise people _If you want to go out, youd better wear a _.设计意图：通过阅读学习描述沙尘暴的起因、影响、建议、措施等的词汇和短语。让学生动手写在学案上能加深印象。Step 5 Post-reading1. Read the text again and complete the following sentences according to the passage.1. The winds in a sandstorm can sometimes_ 2. When Ren jianbo was living in Inner Mongolia _ 3. Sandstorms in China appear to have increased _4. Cutting down trees and digging up grass can_5. Traffic moved slowly because _6. The government is planting trees to the west of Beijing to_2. Watch a piece of news and fill in the blanks.Northwest China hit by sandstormA strong sandstorm has _ some parts of Northwest Chinas Xinjiang Uygur Autonomous Region since Thursday morning. As the strong wind _, the sandstorm is spreading (传播，蔓延) to the regions neighboring areas.The most unwelcome guest visited Aksu, a city in the Autonomous regions west on Friday morning. The sandstorm is covering the entire city with _ and _. Residents have to _ their heads with clothing to protect themselves. Visibility (能见度) in most parts of the city is _ than 100 meters.Resident, Aksu City, said, The sandstorm and winds are so strong that we _ see the road at all. Its inconvenient to carry kids, we are worried there could be _. Xingjiangs neighboring province of Gansu is also _ by the sandstorm. Temperatures in the provincial capital Lanzhou dropped _ 10 degrees Celsius overnight (一夜间,突然). Sandstorms also _ traffic jams in downtown areas, bringing inconvenience to local residents.The strong sandstorm is also _ spring plantations. In Inner Mongolian Autonomous Region, the sharp temperature drop has _ frost (霜冻) in the worst _ areas. Farmers are working overnight (通宵;整夜) to try to keep the plant warm.设计意图：让学生通过听力练习巩固课文中的重点单词。 3. DiscussionT: From what we learned in the text and the knowledge we already have, we know that sandstorms bring us so much trouble. So scientists in the world are trying their best to find ways to prevent them. Then can we ordinary people do sth to help solve this problem? If so, what can we do? In group of four, discuss the ways and reasons to support your ideas. 2008四川高考What can I do for our environment? Everyone can do something for our environment. For me, I should try to save electricity in my daily life. For example, if I am the last person leave the classroom in the evening, I will always remember to turn off the lights. In order to protect our forests, I will use paper wisely. I should try to use both sides of paper whenever it is possible. I will not use things like paper cups and disposable chopsticks because they are made of wood. I believe that doing all these small things will improve our en