外研版必修4module-4-The-great-scientist

1、全国中小学“教学中的互联网搜索”优秀教学案例评选教案设计一、 教案背景1，面向学生： 中学 小学 2，学科：英语3，课时：14，学生课前准备：一、 预习本课内容所涉及的目标词汇。二、 根据词汇能预测本文所讲内容。三、通过百度搜索了解关于伟大科学家的知识。四、根据预习能初步形成自己对文章的理解，并总结自己不明白的地方。二、 教学课题高中阶段的课文学习多侧重于对文章结构的把握，对文章内容的理解。本单元围绕great scientists,首先让学生掌握各领域单词，如biochemistry, biology, botany, chemistry，对领域内的科学家所做的贡献有所了解。本单元第一篇课文

2、介绍的是杂交水稻之父”-袁隆平的生平和事迹，同时阐述了他从事这项工作的重要性及所取得的成就。通过学习科学家的生平及事迹，激发学生学习动机，树立正确的人生观、价值观，帮助他们树立远大的理想。三、 教材分析本文是外研版必修4modle 4great scientists 的第一篇课文the students who asked questions。本文一共分为6段，可划分为3个部分。分别从袁隆平的生平，所付出的努力，所取得的成就以及成就的影响来加深学生对人物的理解。一、语言目标1、 词汇和短语Staple, leading, figure, educate, agriculture, breedi

3、ng, species, original, breakthrough, support, production, convert, export, quality, quantity, bring up, as a result of, cash crop2.重点理解句：（1） In the rice-growing world, the Chinese scientist, Yuan Longping, is a leading figure.（2）He thought there was only one way to this -by crossing different specie

4、s of rice plant, and then he could produce a new plant which could give a higher yield than either of the original plants.（3） As a result of Yuan Longpings discoveries Chinese rice production rose by 47.5 percent in the 1990s二能力目标1、to understand the text and the structure of the text 2. to retell th

5、e text according to some key words from the text.2. to understand the details about the text and to choose the correct answers according to the text.三、学能目标After learning the text, students can know what characteristics of great scientist are, talk about something about Yuan Longping and write a comp

6、osition similar to this one.教学重点：1 To understand the structure of the text. 2 Discuss the question of comprehension:Why is Yuan Longpings discovery very important?教学难点：1 Understand the importance of scientists achievements.2 Is the title of the passage suitable? If not, write a new one and give the

7、reasons.3 Discuss what the students can learn from Yuan Longping. 备课时用百度网页搜索外研版必修四Module4 great scientists的相关教学材料，找到很多相关材料如/view/9239.htm了解袁隆平资料。通过对比与自己对教材的理解，确立了重难点及讲课思路。然后根据课堂教学需要，利用百度视频搜索，搜索与粮食危机有关的视频作为导入环节。再用百度搜索Mp3在网上搜索与粮食有关的音乐作为文章的结尾升华部分，加强学生对课文的理解。从百度图片网上搜索下载各种所需的教学图片，例如非

8、洲人民饥饿的图片，给学生视觉上的直观感受，便于理解。在百度知道或百度贴吧上找到了关于本课内容的知识点探讨，有利于本课程教学的延展。 四、 教学方法整体阅读教学法讨论教学法五、 教学过程Teaching ProceduresStep 1.leading in According to the title “the great scientists”, ask students two questions(本单元的主题是伟大的科学家，通过这个标题，询问学生心目中的伟大科学家，唤起学生的背景知识。同时概括出为什么他们是伟大的。) Question Do you know who are great

9、scientists in history? What contributions do they make? Try to give some examples. 【百度图片】导入：/ 导入Leading in See a video that is related to agricultural crisis, then ask students one questionHow can we solve the problem that many people are in hunger because of lack of food.（利用视频展

10、示粮食危机，人们靠什么来养活整个地球，导出本文要学的科学家袁隆平）【百度视频】导入/programs/view/T82xAqc-3fA/Step 2. Fast Reading: Look through the passage and find out the main idea for each paragraph.Paragraph1 As a young teacher, he began experiments in crop breeding.Paragraph2 He discovered a new type of rice.Paragra

11、ph3 Yuan Long ping is a leading figure in the rice-growing worldParagraph4 His discoveries have brought in great profit Paragraph5 The yield of the new hybrid rice is much greater than that of other types of rice grown in Pakistan.Paragraph6 As a boy, he was called “ the student who asked questions”

12、. Step 3.Careful Reading: Read the passage carefully and learn more about Yuan Longping.Read paragraph 1-2 and decide it is True or False. And please find the original sentence in the passage. 1. China produces more rice than any other country. 2. Yuan Longping asked a lot of questions at school. Re

13、ad paragraph 3-5 and finish the following form. about Yuan Longpingnicknamefrom an early ageas a teacherdo experiments in_in 1966 In 1970discovered a naturally_ _rice plant in the 1990sChinese rice production _; his rice was _other countries v Step 4. Listen to the passage ,and finish the summary of

14、 the passage.百度搜索音频：/playlist/playindex.do?lid=&iid=&cid=25 China is the worlds largest rice _. In the _ world, Yuan Longping is a leading _. Yuan Longping was born and _ _ in China. As a school boy, he was given the _, “the student who asks questions”. He majored in_ in college.

15、He thought that the _ to feeding people was to have more rice and to _it more quickly. He thought there was only one way to do thisby _ different species of rice plant, The results of his experiments _ _ in China in 1966. Then he began his search for a special type of rice plant, which must be _ and

16、_. Finally, a naturally sterile male rice plant was discovered. This was the_. Researcher was _ from all over china to develop the new system. step 5 language points 1.He thought that the key to feeding people was to have more rice and to produce it more quickly . 他认为，解决人们吃饭问题的关键在于拥有更多 的大米，并且能更快的生产出

17、来。 the key to sth./doing sth . .关键. Practice : 足够的单词量是提高英语的关键。Enough vocabulary is the key to improving your English .努力是成功的关键。 Hard work is the key to success . 2.He thought there was only one way to do this-by crossing different species of rice plant , and then he could he could produce a new plan

18、t which could give a higher yield than either of the original plants . 他认为，唯一的办法就是使不同种类的水稻杂交， 这样才能培养出比原来任何一种水稻产量都高的新品种。宾语从句：there was only .the original plants .定语从句: which could give a higher yield than either of the original plants .的办法. a way to do ./of doing . step 6读写结合练习扩展李振声 (李振声是我校校友，且在我校建有李振声院士馆。两位科学家有相似之处，通过比较两位科学家让学生仿照课文，写人物描写的作文。)百度搜索：李振声资料/view/.htmstep 7情感教育listen to a song named Tell my why 百度搜索/p?word=tell+me+why+%D4%AD%B3