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高中·《Computer》试讲稿

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高中·Computer》试讲稿
Good morning, respectful Judges! I am the No.1 candidate applying for high school English
teacher. It's my honor to be interviewed here. Today, my topic is Computer. Now let me begin my trial
teaching.
Leading-in
Good morning, boys and girls! What do you usually do after you finish your homework at home?
-19-Oh, the young generation seems close to computers. Surely computer is one of the greatest invention
in human’s history. Do you know how it developed throughout nearly one century? Look at these
pictures and you may get some ideas. From abacus to robot, we can see the great progress human
beings have made. PC is the milestone in the development of computer. Since the emergence of PC,
computer has totally changed our life. OK, today we will do a reading about computer. Let’s go!
Pre-reading
Have a look at the illustration and the title of this passage and guess what it talks about. Who
got the ideas? Li Lei? Very good, you think it may talks about the hi-tech in modern life. Any others?
Amy says it is about the development of computers. You are so clever. Then please think about this
question: Do you know in what ways computers are used today? Work out a list and compare it with
your partner. So many ways you have discussed! Very good! Now please put the inventions on page
17 in an order according to the time when they appeared. After reading the passage, you may check to
see if you are right.
While-reading
Now let’s begin our reading comprehending. Please read the passage for the first time quickly
and finish the time line in page 19. You only have 3 minutes to skim the passage. Have you got
the answers? Anna, what do you write in the line of the year 1642? Very good. We can write “The
calculating machine was made in France. You should add the information “in France” to make it more
specific. After 1822, what happened, Allen? Yes, you’re right! In 1936, Alan Turing wrote a book about
how computer could be made to work as a “universal machine” to solve any difficult mathematical
problem. Then in 1940s, computer had grown as large as a room. And since 1970s, computers have
been used in offices and homes. Now computer has become a devoted friend and helper of the human
race.
Since you have got the main idea of the whole passage, then do you know the main idea of
each paragraph? The next step for you is to find out the topic sentence of each paragraph and fill
in the blank of the supporting details. The main idea of the first paragraph is the start of artificial
intelligence because people can use a machine to calculate and analyze data. The second paragraph is
relatively short, please summarize it by yourself. Mark, what’s your opinion? Yes, the topic sentence
is computer’s memory improved and the network made it able to share information. And what do you
think are the supporting details?Tubes, network and the World Wide Web! We are so familiar with the
WWW, aren’t we? How about the last paragraph? Right! It’s the last sentence in the last paragraph!
Computer has become a devoted friend and helper of human race, because we can see the key words
-20-such as “communication”, “finance” and “trade”. Computers have become a more and more important
role in the above three aspects.
Now please read the passage carefully for the third time and circle the words or expressions you
do not understand. Time’s up. Please discuss the words and expressions with your group mates and
solve the problems by yourselves. You can refer to the dictionary or other tool books. But the most
important method is to guess the meaning of the words according to the context.
Post-reading
This time you will have a chance to practice your listening skills. I will play the record for you
and please listen to it carefully. I will play twice and after you hear it, some students will be invited to
introduce the development of computer for us. You can draw some pictures to help your explanation
and you can also use other forms as you like. Which group is the first to make the presentation? OK,
group three. Now it is group five’s turn. Wonderful! I really enjoyed your beautiful pictures.
Summary
Now I will give you ten minutes to finish the exercise of part B in students’ book to review the
language points. And you can spend some time remembering the new words and phrases after the
class. In this class, we have learned the development of computer and network.
Homework
Today’s homework is to write a short passage to describe a robot including the shape of it and
what it can do for you. I just can’t wait to see what fantastic robot you can design.
Class is over, goodbye, boys and girls!

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