重点中学高中英语必修二(人教版)unit3Computers教案6

必修2第三单元computers教学设计教材分析
本单元以computers为话题，让学生了解计算机和信息技术产生和发展过程，激发学生对信息技术的兴趣。

本节将Warming up，Pre-reading和Reading整合设计。

从电脑图片导入单元题目，让学生说出电脑各部位名称。

从三个猜谜活动进行头脑风暴，全面进入热身。

Pre-reading中让学生根据文章题目进行内容预测，激发学生获取知识的欲望。

Reading中以别致的标题WHO AM I?引起学生的好奇心，使学生迫不急待地阅读这篇文章，并判断出“I”是computer，对文章的内容印象更深刻。

文章以第一人称的形式按时间先后顺序讲述了computers的产生、发展和现状，并用拟人化的口吻表达了computers乐于为人类服务的精神。

Teaching Aims
1.Knowledge aims
1.Learn some useful words and expressions.
2.Learn the development of computers.
2.Ability aims
1.Train the students’ reading ability.
2.Learn how to use some important words and phrases in this passage.
3.Emotion aims
To have a good habit of using computers
Teaching important points
1.Improve reading ability and understand the passage better.
2.Learn how to use some important words and phrases in this passage.
Teaching procedures
Ⅰ. Leading-in
Task1. Ask and answer:
1.Do you like playing computers? How long do you spend on it each day? _____ hours .
2.Can you name the parts of a computer ?【预习检测】
Ⅱ.Warming up (Brainstorming:)
Task 1. Guessing
1. An old calculating machine used in China until now.
2. It is a new calculating machine which can solve a large number of mathematical problems.
3. It is a personal computer which can solve all kinds of problems and is used widely now.
Task 2. Discussion: 【Group activitiy】
What do they have in common?
Ⅲ. Pre-reading
Task 1 Discussion. How have computers changed our lives? 【Group activitiy】
(What can we use computers to do in our daily life?)
Task 2.Predicating: Who is the speaker in the story ?
IV. While reading
Skimming:
Task 1.Skim the paragraphs and find out the sentences to support your predication .
Task 2.Skim the passage and find out the main idea of the text.
This is a short ______ of the ________of computers . Scanning:
Task. Listen to the tape and find the following sentences True (T) or False (F),
then tell the reasons.
1.In 1642 I began as a calculating machine and could solve any mathematical problem. ( )
2. My real father was Charles Babbage, who wrote a book and built me in 1936. ( )
3.After I got my new transistors in the 1960s, I became smaller but cleverer and quicker . ( )
4.I was brought into people’s homes in the 1970s. ( )
5. Since my birth I have been built to take the place of human race. ( )
V. Post-reading
Comprehension:【小组探究】
Task1: Read the text again and find the development of the computer by the picture.
Task 2: Fill in the blanks with the words in the text. (one word for each blank.)
1.Although I was young I could ___________ difficult sums.
2.After I was programmed by an ___________ who used cards with
me.
3.At that time it was considered a technological revolution
and the start of my “ artificial __________”.。