《最新高中英语人教版必修3unit2教案名师优秀教案.doc》由会员分享，可在线阅读，更多相关《最新高中英语人教版必修3unit2教案名师优秀教案.doc（6页珍藏版）》请在三一文库上搜索。
1、高中英语人教版必修3unit2教案Unit 2 Healthy eating Warming up, pre-reading and reading Teaching aims 1. Get students to read the passage and learn the different reading skills. what it 2. Enable students to learn about the importance of healthy eating and knowhealthy diet. 3. Develop students sense of cooperati
2、ve learning. Teaching importance 1. Let students read the passage and learn something about healthy eating. 2. Get students to learn different reading skills. Teaching difficulties 1. Develop students reading ability. 2. Enable students to learn to talk about the food and our daily diet. Teaching me
3、thods 1. Task-based teaching and learning 2. cooperative learning 3. Discussion Teaching procedures Step1 Warming up 1. Match the food with the festivals. We have leant something about festivals in last unit. Do you know what do we usually eat during each festival? Moon cake Lantern Festival Zongzi
4、Spring Festival Dumplings Thanksgiving Day Yuanxiao Dragon Boat Festival Chocolate Mid-autumn Festival Turkey St Valentines Day Pumpkin Halloween 2. Discussion 1. What do you usually eat every day? 2. What is your favourite food? 3. Do you think your diet is healthy? Step 2 Pre-reading Imagine you h
5、ave a restaurant, what kinds of food will you provide to your customers? Step 3 Reading Task 1 Fast reading Scan the text and then choose the best answer according to the text. 1. Why did Wang Peng feel it had been a very strange morning? A. what he had prepared was sold out. B. Few people walked in
6、to his restaurant to eat. C. He couldnt make his restaurant more beautiful. D. He didnt know how to make delicious food. 2. Where did the customers go to eat instead of going to Wang Peng s restaurant? A. They ate at home. B. They went to a new big restaurant to eat. C. They ate in a new small resta
7、urant. D. They wanted to eat something rich in fat in another place. 3. What is Wang peng s impression on Yong Hui s restaurant? A. All the customers in it were very slim. B. It was too small and too noisy. C. The food in it was very nice and better than that in his D. There was so limited food but
8、the price was much higher. 4. What was the disadvantage of the food offered by Yong Hui s restaurant? A. It had too much fat. B. It couldnt make people lose weight really. C. It could make people ill. D. It couldnt offer people enough energy. 5. We can infer from the last sentence that _ A. Wang Pen
9、g and would learn from Yong Hui. B. Yong Hui would learn from Wang Peng. 若a0，则当x时，y随x的增大而减小。C, The competition had begun and would continue. D. The two restaurants would give up the competition. 二特殊角的三角函数值Task 2 Careful reading The test can be divided into three parts. Listen to the tape of each par
10、t and find out the main idea of each part. Then use about 30 words to sum up the main idea of this passage. Part 1 (para 1) Part 2 (para 2-3) 互余关系sinA=cos(90A)、cosA=sin(90A)Part 3 (para 4) （4）二次函数的图象：是以直线为对称轴，顶点坐标为（，）的抛物线。（开口方向和大小由a来决定）According to the passage, we know that Wang Peng restaurant beca
11、me _ because a new one had taken his regular _ away, and he wanted to _ it to win his customers back. 7、课堂上多设计一些力所能及的问题，让他们回答，并逐步提高要求。Task 3 Summary Wang Peng felt frustrated because his _(custom) didnt come to eat at his (一)数与代数restaurant _ usual though he prepared a perfect menu. When his friend L
12、i Chang passed by his restaurant _ coming into his restaurant to eat as he always did, Wang Peng felt that something terrible must _. So Wang Peng followed him to a newly-opened small restaurant with a sign in the window. The sign said in this restaurant people tired of fat could be served slimming
13、foods only and would become _ (thin) soon. With _ (curious), Wang Peng entered and was shown a menu by a thin lady named Yong Hui. On the menu, there were only rice, raw vegetables, fruit and water. After _ (leave) the restaurant, he decided to do some research. Soon he found that Yong Hui s restaur
14、ant did not serve energy-giving foods and the customers would become _(tire) quickly. So he put up a new sign _ said his restaurant would serve foods providing all-day energy. The _ between the two restaurant was on. 1.概念：一般地，若两个变量x，y之间对应关系可以表示成(、b、c是常数,0)的形式，则称y是x的二次函数。自变量x的取值范围是全体实数。在写二次函数的关系式时，一定要寻找两个变量之间的等量关系，列出相应的函数关系式，并确定自变量的取值范围。Step 4 Homework 3、观察身边的简单物体，初步体会从不同角度观察物体所看到的形状可能是不同的，学生将经历从立体图形到平面图形的过程,认识长方形、正方形、三角形、圆等平面图形，初步体会面在体上，进一步发展空间观念。Find out the useful words, expressions and sentence structures in the 一锐角三角函数passage.(1)相交: 直线与圆有两个公共点时,叫做直线和圆相交,这时直线叫做圆的割线.