必修1&2Unit 3 Computers教学设计

 www.ks5u.comUnit 3 Computers

Period 3 Reading and comprehending 教学设计

I. Teaching contents：Reading and comprehending

II. Teaching aims：

1). To help students learn to read an introduction about computer

2).To help students better understand “the computer science”

3).To help students learn to use some important words and expressions

4）   Main words and expressions.

simplify sum ; operator; logically ; technological ;artificial; intelligence;  personal;  tube;  network;  web; mobile; rokets  ;finance

5）   Practice different reading skills, such as skimming, scanning, intensive reading, extensive reading, etc.

III. Key points & Difficulties

Key points:

1. Reading comprehending skills.
2. To learn the development of the computer.

Teaching Difficulties

Reading comprehension to the text.

IV. Teaching procedure:

Step 1: Review the simlpe development of computers:

      abacus→culculator→huge computer→PC→laptop→PDA→robot

Step 2: Scanning

   Ask the students to listen to the recording of the text and then scan the text to answer the folloing two questions:

   1. Who is the speaker in this story?

   2. What’s the main idea of this passage?

    A. The development of computers.

    B. The development and use of computers.

    C. A machine which is simple-minded.

    D. Computers may replace human beings.

Step 3: Skimming:

Let the students skim the text and find out the toic sentences of each paragraphs, and complete the matching exercise on PPT 8.

Para 1: Over time I have been changed quite a lot.

Para 2: These changes only became possible as my memory improved.

Para 3: Since the 1970s many new applications have been found for me.

Step 4: Careful reading

1. Read the passage carefully and find out the supporting details for each paragraphs’ topic .

( Ask students finish the chart on page 19 exercise 2, teacher go around them and give help if they need )

2. Read the passage carefully again finish the timetable on page 19. (PPT 13—14 )

Step 5: Discussion

1. Now please brainstorm a list of things that you, your school and your family use computers for. (About 1 minutes)

2. Please have a discussion with your group member : what you would have to do if you could not use computers any more.

( Students may have different opinions about this topic, let them discuss and then share with their classmates.)

Step 6: Homework.

1. Finish exercise 1 on page 56.

2. Read the tet again after calss and underline the difficult points.

3.Write down your opinions about the question in the discussion.

V. Blackboard design.

 Unit 3 Computers

Reading and comprehending

1. abacus→culculator→huge computer→PC→laptop→PDA→robot

2.  Para 1: Over time I have been changed quite a lot.

Para 2: These changes only became possible as my memory improved.

Para 3: Since the 1970s many new applications have been found for me.

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