2014年高中英语（外研版必修3）同步教案：Module4SandstormsinAsia（2013高考）.doc

Module 4 Sandstorms in Asia Teaching Aims 1. Get Ss to review the violence of nature and know about sandstorms and how to protect the environment. 2.Through discussion and comprehension of Reading, develop Ss’ listening, speaking, reading and writing. 3. Encourage Ss to search the knowledge of sandstorms and environmental protection on the Internet. 4. Improve the Ss’ ability to read for specific facts. 5. To grasp the usage of infinitive, pay more attention to the usage of but + infinitive. Difficulties and Importance 1. Conclude and collect the words and phrases related to environment and environmental protection. 2. Ask Ss to think ways to protect the environment. 3. Improve the Ss’ ability of grasping the general idea of the passage. Teaching Method 1. Task-based methodology 2. Communicative Approach Teaching Time Five periods: Period 1 Vocabulary and Writing, Speaking 1 Period 2 Reading and Vocabulary Period 3 Grammar 1 Infinitive. Listening and Vocabulary Period 4 Grammar 2 but + infinitive, Everyday English Period 5 Cultural corner, Speaking 2, Writing Teaching Procedures Period One Step 1 Warming up 1. Talk about the topic of this module as an introduction. Show or read the following passage to students. About Sandstorm The topic of this module is “environmental conservation”(环境保护). This module mainly introduces something about the sandstorms in Asia, especially in China. At the same time, it brings in some words about sandstorms and environmental conservation. What is a sandstorm? A sandstorm, a kind of disastrous(灾难性的) weather system, is a combination of sand and strong wind. What on earth causes sandstorms? In my opinion, severe sandstorms are usually caused by both natural and contrived(人为的) factors, that is, climatic, geographical, social and human factors. Of all the factors, the overuse of natural resources, such as cutting down too many trees and opening up too much untouched land, leads to the frequent occur