上海新世纪版英语八年级上册Unit 1 Modern Technology Lesson 1 Computers教案（1课时）

Lesson 1 Computers
【教学分析】
课文地位
1．本课是unit4的第一课，重点介绍be able to与ought to 的 用法，be able to表达一个人的能力并有人称时态的变化，教师应将此作为教学重点， ought to无人称时态的变化，并让学生复习学过的情态动词。为本课的教学和后面两课的继续学习作好必要的铺垫.
2．本课中重点谈论电脑的四大部件与因特网的益处，它们是学生在生活上经常做的并对此比较感兴趣，教师应强化语言的操练，在课上尽量创设和模拟真实情景。
【教学目标】
1．Talk about computers and the Internet.
2．Express ability with be able to.
3．Express obligation with ought to.
4．Use modal verbs.
【教学重难点】
1．关键词汇
From the text: ought to, get familiar with, control, type in, do word processing,(这些词汇为本课重点掌握词汇，要求学生默出并熟练运用。)
From the reading: be connected to, access, order, book, enable, in one word
2．语言功能
A．What can you do with…?
B．What’s the use of …?
C．We use it for …?
3．语法要点：
be able to, ought to, modal verbs
【教学过程】
教学内容 教学实施建议 教学资源参考
Discovering Language be able to表达一个人的能力并有人称时态的变化
（教学过程见[链接1]） 语法规则归纳。详见［链接2］
Exercise详见［链接7］
Text 本课重点句型为 what can you do with…?学生对此并不陌生。教学中主要以复习操练为主。本课难点是几个电脑。建议教师多采2的名称，通过表演或示范，让学生在练习中熟练运用这几个新授短语。
（教学过程见[链接3]） Language points详见［链接4］
Additional comprehension check or consolidation exercises
Developing Skills 本课 Reading部分是一篇介绍电脑的科技文章。建议让学生把reading改变成短剧，进行电脑利弊的辩论，效果一定很精彩。教学时，教师应注意几个重要短语，为学生作必要的解释。
本课writing内容的难度不大，建议学生写完后在组内或班内交流。并建议让学生带着这些问题去采访班内其他同学，然后作一定的评述。（教学过程见[链接5]）
［链接1］ Discovering Language
说明：
以问题作为课题的导入，自然过渡，引出be able to 的用法，容易唤起学生学习英语的兴趣和积极性。先布置预习作业让学生在课前查阅电脑和因特网在现代生活中的利于弊，为辩论赛而准备。
Teaching Materials: student’s book, workbook,
Procedure:
Quick response:
（1）Your grandpa is sixty years old. Is he able to run as fast as you?
（2）Are you able to work out this hard question in five seconds?
（3）Mary is five years old. Is she able to go to school?
（4）You are late for class. Are you able to come in without any excuse?
1．Group work: 小组讨论并用be able to 完成对话
2．Games:
（1）One student give a situation with be able to, another student answer according to the truth.
（2）Count the numbers that can be divided by three. e.g. third, ninth, twelfth…
3．Ask students to do WB
4．Ask the students to summarize the use of “be able to”.
5．A game: 学生事先准备好一张纸，第一组写上who，第二组写be able to，第三组写do what，第四组写 when and where，同学们读出句子，最后老师对活动作总结，可提些问题考考学生，检查学生的听课效率，对答出的同学给予一定的奖励。
［链接2］语法知识的归纳:
1．be able to 的用法：
be able to表达一个人的能力并有人称时态的变化
2．ought to
ought to 表示义务，责任，合适，必要和可能性等。没有人称时态的变化
［链接3］Tuning in and Text
说明：
以下内容中，主要是提供了一些课文内容的教学处理建议和课文教授完以后延伸活动作业的布置。
Teaching Materials: a tape, student’s book, workbook
Procedure:
1．Quick responses:
（1）What are the main parts of the computer?
（2）What can you do with the mouse?
（3) What’s the use of the keyboard?
2．Revision: 复习电脑各部位名称。教师说单词，学生指图片。
e.g.: main unit
monitor
keyboard
mouse
electronics
type in
do word processing
3．Sentence patterns:
What can you do with …?
T: What can you do with the computer?
S: A lot. I can do word processing, surf the Internet and send e-mail.
T: What can you do with the keyboard?
S: We can control the computer.
4．Ask students to read the words.
5．Listening Comprehension
6．Text:
（1）Let students talk about the picture of the text.
（2）Students listen to the tape once and then answer questions:
Where are all the computer’s electronics?
What does the monitor do, then?
What can you do with the mouse?
What’s the use of the keyboard?
What can you do on the computer?
（3）Students listen to the tape, then do Comprehension Check: (Workbook)
（4）Ask students to imitate the intonation after the tape. (Books shut)
（5）Students do Comprehension Check. (SB）
（6）Students read the text in roles then act it out.
（7）A game: Suppose you are shopping in the supermarket. Work in groups, take turns to role-play a shop assistant and a customer.
［链接4］Language points in the text：
说明：
本部分内容是课文内的重点词组
语言知识要点：
1．get familiar with
We must get familiar with our new neighbors.
The teacher is doing his best to get familiar with the new textbook.
2．control
Now we can use the computer to control the public transport.
Can we use the keyboard to control the computer?
3．type in
You need to type in the information about himself.
Type in your password.
4．What can you do with…?
What can you do with the computer?
What can you do with the flour?
5．What’s the use of …
What’s the use of the computer?
What’s the use of the flour?
6．We use it for….
［链接5］Developing Skills
说明：
Reading部分是培养学生阅读习惯的好机会。教师不要急于讲解短文中的内容，也不要急于朗读全文。可以要求学生带着不认识的单词阅读全文。教师通过一系列的问题检测学生的阅读结果。教师可以让学生根据短文内容提问题，然后由教师作补充。让学生将短文内容编成对话，增加这方面的练习能培养学生的创造能力、综合运用英语能力及表演能力。
Teaching Materials: a tape, student’s book, workbook
Procedure:
1．Warm-up: Do some warm-up exercises.
2．Free talk: Talk about computers.
3．Students read the passage and then complete the sentences
4．Students read the passage together. Check the answers.
5．Students read the passage in pairs.
6．Group work: ask some questions about the passage.
For examples:
a．Why was the Internet the greatest invention of the twentieth?
b．The Internet has many advantages, hasn’t it?
c．You can access a few websites and homepages, can’t you?
d．Can you find information on the Internet, and is it convenient for you to collect it?
e．How do you keep in touch with your friends?
f．Do you enjoy chatting with others on the Internet?
g．What can we do on the Internet?
7．Ask students to read the passage again, and to find some useful phrases and sentences. Then the teacher explains the language points.
Group work:
Make a short debate according to the passage, then act it out.
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