江苏省灌南高级中学高中英语 第三单元 Just say No Grammar and usage教案(1).doc

江苏省灌南高级中学高中英语 第三单元 just say no grammar and usage教案teaching aims:1. review the paragraphs in reading.2. learn the grammar and usage: the development of a text.teaching procedures:step 1 warm upreview the text of reading and answer the questions how many paragraphs are there in the text? _ what is the title of the text? _ can we learn what the text is about from the title? _ if you are asked to divide the whole text into several parts, how will you divide it? what is the main idea of the first part? it gives us an example to show how serious the situation of aids is in africa. what is the second part about? it tells us some detailed information about aids. for example, what causes aids, the ways people get infected with aids, how serious the situation is around the world and what the un and the chinese government have been doing to deal with this situation.step 2 grammarthe development of a texthow is a text developed?step 3 consolidationread the sentences and then decide which paragraph they belong to and what type of sentence each one is. step 4 homework根据下列提示，以how to stay healthy（如何保持健康）为题写一篇150词左右的短文。1. 健康很重要；2. 如何保持健康？（可从适当的营养、充足的睡眠、经常的锻炼方向考虑。)第一段写虽然人们越来越重视健康，认为健康是最重要的财富，但对如何保持健康却不一定清楚，引出“我”的建议。第二段写“我”有三条建议，一是吃富含蛋白质的食品、蔬菜和水果，不要吃得过甜、过油腻以及过量；二是保证充足睡眠，至少每天睡8小时，如有可能，也应午休；三是适度锻炼，因为“生命在于运动”。第三段总结全文。how to stay healthypeople are beginning to attach much more importance to their health these days than ever before. they begin to realize that good health is the most valuable possession a person can have. however, many people dont know how to stay healthy although great efforts have been made in this regard. in my opinion, there are three things we can do if we want to be in good health. first, we should have the right food, because proper nutrition is the most important for good health. avoid foods with lots of sugar and fat. eat plenty of high protein foods, vegetables and fruits. do not overeat. secondly, we should get proper amount of sleep, because without enough sleep, we will often feel tired and irritable. allow ourselves at least eight hours of sleep each day. have a nap at noon if time permits. finally, we should exercise regularly, because life depends on exercise. regular exercise strengthens our hearts and lungs. in addition, it prevents us from putting on weight. if every