Learning about Language教案设计

Unit 3 Computers

Learning about language Teaching goals

1. Target language

a. Useful words

revolution

network

simplify

sum

mobile

solve

explore

totally

anyhow

finance

artificial

technology

intelligent

application

Web

reality

logically

b. Important sentences

As time had gone by, I have been made smaller and smaller.

I have been used in offices and homes since the 1970s.

Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! Since the 1970s many new applications have been found for me.

I have also been put into robots and used to make mobile phones as well as help with medical operations.

I have even been put into space rockets and sent to explore the Moon and Mars.

2. Ability goals

Enable students to learn the meanings and use of some key words in the reading passage. Enable students to learn the form and function of present perfect passive voice.

3. Learning ability goals

By writing a poem using present perfect passive voice, enable students to use the structure freely and creatively.

Teaching important and difficult points

How to change the sentences into the present perfect passive voice.

Teaching procedures & ways

Step I Revision Check the homework. Ask two students to read the passage they have written. Their passage should be brief and include the key information or facts about the development of computers.

Step II Discovering useful words and expressions 1. Look at activity 1. These are the meanings of some words or expressions in the text we learned yesterday. Find out these words or expressions.

Check the answers.

2. Now look at the words in activity 2. Do you know their meanings? Check their meanings in your dictionaries. Then complete the passage with the words.

Check the answers.

3.Now activity 3. Look at the phrases in bold in the story. What do they have in common? 4. Now use these phrases to create one of your own stories. The story can be a real one or an imaginary one.

5. After they finish writing, let students exchange their stories and proofread for each

other.

Step III Discovering difficult sentence structures I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.

【分析】该句是一个由and连接的并列复合句。and前的分句是一个简单句。and后的分句的结构是：it took ...

before .. before引导___________从句。

2. By the 1940s I had grown as large as a room, and I wondered if I would grow any larger.

【分析】这是一个由and连接的并列复合句。

and前的分句是一个简单句。and后的分句中，I wonder if...是一个常用句型，意为“我

想知道是否……”，常用来委婉地提出疑问或请求，也可用whether代替if。

3. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told!

【分析】

此句中包含一个由

_________引导的结果状语从句，在该从句中又包含一个省略了关系代词

_____的定语从句：I have been told,修饰先行词_________。

4. And my memory became so large that even I couldn’t believe it! 句型: so …

that …

如此

……

以致于

……

与too …

to …

句型可相互转换

5. But I was always so lonely standing there by myself, until in the early 1960s they gave me a family connected by a network.

【分析】本句是一个复合句。主句为I was always so lonely standing there by myself，其中standing there by myself 是动词-ing形式短语作状语；

6. I am now truly filled with happiness

that I am a devoted friend and helper of the human race! that引导同位语从句，具体说明

happiness的内容。that是连词，在从句中不充当任何成分。英语中用that引导同位语从句的情况比较常见，但有时也可以用连接副(代)词how, when, where, whether等来引导同位语从句。

Step IV

Exercises 1.Complete the passage with the words below. When my brother was is high school, he was very interested in computers and enjoyed writing programs of his own. He used to download information from the Internet and made good use of it. He liked to ________ the World Wide _____ and used the Internet to communicate with computer programmers all over the world. When he went to university he studied IT (information __________) and developed a special interest in ________ intelligence. After developing special ___________ of the computer, he hopes to design an _________ robot which can think _________ and look like a human being, but in _______ he has a long way to go. Read the story below and then use the outline to create one of your own. 2.

create your own story Your story When I was young _________________. At the time ________________________

Over time _________________________. As time went by ____________________ By the time _______________________ As a result ________________________ From then on _____________________. Now _____________________________. As I grow older ____________________.

Step V

Homework Polish your own story