《Unit3ComputersReading》導(dǎo)學(xué)案

1、Unit 3 Computers Reading導(dǎo)學(xué)案I. Lead-in:A riddle(謎語）He cant talk, but calculate;He cant think, but has a brain;Without power, hell sleep;Without a mouse, he cant stand it;Everyone cant go without him.Who is him? He is a _.II. Pre-readingWhat do you know about computer? Can you name some parts of compu

2、ter?mouse keyboard monitor host machine1._ 2. _ 3. _ 4._III. Fast-reading1.Skim to find out the main idea of the passage. _2. How did computers develop?Choose the words from the box to complete the development of computers.Analytical machine Universal machine Calculating machine networkIn 1642 In 18

3、22 In 1936InternetArtificial intelligenceIn the 1970s In the 1960sIV. Careful readingTask 1:Scan to find out more detailsRead the passage and find out the topic sentence of each paragraph:Paragraph 1_Paragraph 2_Paragraph 3_Task 2: Task-based reading:Which kind of fruits would you like to eat? Apple

4、 banana grape strawberryApple group: True or False?1. The computer has a history of over 500 years.( )2. People began to realize that the computer got cleverer and quicker with time passing.（ ）Banana group:Answer the question:3.How did the computer work as an Analytical Machine?_Grape group: 4. From

5、 the text, find out a sentence with the closest meaning of the following one: With the time going by, my memory has become strong so that I remember everything that I have been told._5. But I was so lonely standing there by myself, until in the early 1960s they gave me a family connected by a net wo

6、rk. (Translate the sentence into Chinese)_Strawberry group:6. What can you infer from the text?（ ） A. The computer has artificial intelligence. B. The computer changes greatly over the years. C. The computer was not connected by a network until in the early 1960s。 D. Now the computer can only be use

7、d to deal with information.V.SummaryI, the c_, was a calculating machine in 1642 in F_. In 1936, I became a“u_ machine” to s_ any mathematical problem. Since the 1970s I have been used first as a P_ and then as a l_in office and h_.Many changes have happened to my s_, so my s_ totally changed.I have

8、 been widely used in many fields, I have also been put into robots to e_the Moon and Mars.VI.Discussion:Should high school students surf the internet(上網(wǎng))?I think high school students should surf the internet because(first, secondly, thirdly)I think high school students should not surf the internet b

9、ecause(first, secondly, thirdly)ConclusionThere is no doubt that computer has two sides, too. If we make good use of it, it will make our lives more colorful and convenient. But dont lose yourself in playing computers. Just remember: Keep fit, study well and work hard.VII. Homework1.Read the passage

10、. 2. Find out the sentences you dont understand.Reasons why I would like to be a volunteerI would like to be a volunteer in my spare time. My reasons are as follows: First of all, it is a good virtue to help others, even in modern society. We all need others help in case we get into trouble. Secondl

11、y, we are able to make ourselves better by helping others because we can get valuable experience and build up our confidence while serving others. Whats more/In addition/Besides, volunteering makes us feel better about ourselves, which makes our life more enjoyable. More importantly, we can make the world a better place in which to live by being volunteers. In summary/In a word/In all/All in all, volunteering can make a difference to /play an important part in our life