Unit3 who am I?
Reading and Comprehending
【導(dǎo)學(xué)目標(biāo)】
1. Get students to use some useful new words and expressions correctly.
2. Enable students to make sentences after the useful sentence patterns.
3. Develop students’ spirit of cooperation and teamwork.
【課前自主預(yù)習(xí)】
Step1 .pre-reading
1: How much do you know about computers? (Make a survey)
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1. What does IT mean? |
Information technology |
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2. How to speak 科學(xué)技術(shù) in English? |
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3. What does PC mean? |
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4. How to speak 人工智能 in English? |
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5. What does PDA mean? |
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6.How to speak 筆記本電腦 in English? |
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7. What does W.W.W mean? |
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8. What can computers be used to do in our daily life? |
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2. Using the words in warming-up to guess what it is.
① An old calculating machine used in China until now. ___________
② It is a new calculating machine which can solve a large number of mathematical problems. ___________
③ It is built to solve some mathematical problems. But it is too big. ___________
④ It is a computer which can solve all kinds of problems and is used widely now . ________
⑤ It is a kind of computer which can be taken conveniently(方便). ___________
3. Can you put these inventions in an order according to the time when they appeared?
( ) Analytical machine（分析機(jī)）
( ) Laptop
( ) Calculating machine （計(jì)算機(jī)器）
( ) Robot／android
( ) PC
( ) Universal machine（通用機(jī)器）
Step2 reading
(1) Fast reading
1. Who am I? __________________________________
2. Who was the first person to invent the earliest computer? ____________________
3. Who was the next important person to design computers? ____________________
(2) Skimming
Task1. Find out the topic sentences of each paragraph (P19.Ex2)
Task2 .Summarize the general idea of this passage.
_____________________________________________________________
(2) Careful reading:
Task1 Read the first paragraph then fill the blanks
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Development |
Early days |
poor
strong |
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Name |
Function |
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A _________ machine |
_________difficult sums |
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An ________ machine |
Think_________ and ________n answer quickly |
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A _________ machine |
Solve difficult ____________ __________ |
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Read the second paragraph then fill the blanks
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Development
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Network times |
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_________ stored in |
Tubes |
Large
small |
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____________ |
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Small chips |
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Development |
_________ |
__________ |
Narrow
wide |
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Finance |
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________ |
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Robots |
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Mobile phones |
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___________ |
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Space rockets |
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Task2. True or False
- In 1642 I began as a calculating machine and could solve any mathematical problem. （ ）
- My real father was Charles Babbage, who wrote a book and build me in 1936.（ ）
- After I got my new transistors in the 1960s, I became smaller but cleverer and quicker. ( )
- I was brought into people's homes in the 1970s（ ）
- Since my birth I have been built to take the place of human race. （ ）
Task 3: Look at the timeline below. Fill in the blanks with information from the reading text.
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Time |
The development of the computers |
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1642 |
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1822 |
The Analytical Machine was made by Charles Babbage. |
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1940s |
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The first family of computers was connected to each other. |
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1970s |
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now |
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Task4 Conclusion of the text How did computers develop?
A calculating machine →_____________→ _________________→_________________→________________→________
