Learning about Language教案教学设计导入设计

Unit3 Computer Period2

Learning about language

一．教学目标

Teaching aims: 1.

To help student 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. Main words and expressions

Simplify,sum,operator,logically,artificial,intelligence,personal,tube,network,web,mobile,rockets,finance. 4.Practice different reading skills .such as skimming,scanning,intensive reading,extensive reading.

II. Core Accomplishment 1. Enable students to learn about the development and history of computers.

2.By finishing the timeline and the chart, help students grasp the basic structure and main idea of the passage. 二．教学重难点

III. Key points

1.Understand how details are used to support topic sentences.

2.To learn the development of the computer. IV. Teaching Difficulties Reading comprehension to the text.

三．教学过程 IV. Teaching procedure: Step 1: Review the simple development of computers:

abacus→ calculator → 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 following 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 topic 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 text again after class 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→ calculator →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