第一步 引入话题
1. Show students the pictures of an abacus, a calculator, a huge computer, a notebook and a PC, ask: “If I am a math teacher, which can help me most?”
2. Write the expressions of giving opinions on the blackboard.
Giving opinions I think that... In my opinion... I believe that...
3. Ask students to give their opinions, remind them of using the expressions of giving opinions.
4. Ask students to discuss what these items have in common, and then rank them according to the time of their appearance.
5. Ask some of the students to talk about what they know about computers.
6. Ask students to discuss “How have computers changed our life?”, and then have some of them give their answers, using the expressions of giving opinions.
第二步 预测文章的内容
（个人自由发言）
1. Ask students to look at the pictures and guess what the passage might be about.
2. Ask one or two students to give their opinions.
第三步 阅读文章 Who Am I?
1．Give students 2 minutes, and ask them to scan or skim for the answers to the following questions:
(Before students read the passage, tell them that attention should be paid to the hints of the time.)
(1) What is the main idea of the passage?
(2) What happened to computers in 1642？
(3) What happened to computers in 1936?
(4) What happened to computers in 1970s?
(Questions on page 19)
2．Give students 5 minutes to read the passage carefully, and answer the following questions:
(1) Who was the first person to describe how the computer was made to work?
(2) What did he make and what did it
do?
(3) Who was the next important person to design computers?
第四步 学习“拟人化”（小组合作学习）
Ask students to go over the passage, in groups discuss who the speaker is in the passage, and on page 18 write down three sentences from the text to support their ideas.
Check the answers with the students.(学生可能会找这三个句子时感觉到有困难，因此可以根据实际情况向学生提供必要的提示或者例子)
Sum up:
Personification means to treat something as if it were human or had human qualities.
Personification is one of the most effective ways of using words figuratively.
第五步 学习“时间顺序”（小组合作学习）
1. Ask students:“How is the passage organized?”
(If the students can not answer the question, draw their attention to the appearance of different years.)
2. Ask students to finish Exercise 2 in Comprehending on page 19, complete the “Timeline”.
3. Ask students to ex-
change their own answers in groups, and then raise questions if they have any.
4. Sum up: chronological writing
Chronology means to describe things in order of time.
Chronology is often used in recounting an event or describing the life of someone. It is an effective way to make a mass of things clearer.
第六步 口语训练──按时间顺序复述计算机的发展史
1. Have students get prepared in 2 or 3 minutes and then retell the development of computers in your own words, using chronology.
2. Ask some of the students to retell the text.
第七步 作业布置
Go over the text, and try to understand the text.
Finish Exercise 1 in Learning about Language on page 19.