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人教版新課標(biāo)高一必修2 Unit 3 Computer—教案1
人教版新課標(biāo)高一必修2 Unit 3 Computer—教案1 Unit 3 Computer鈥斀貪1 TITLE=人教版新課標(biāo)高一必修2 Unit 3 Step1.Warming up Task1: What is it? 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). Step2. pre-reading Task1: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） Please check to see if you were right after reading the passage! Step3. Listening and reading (1)Skimming Task1. Find out the topic sentences of each paragraph. (P19.Ex2) Paragraph 1 Paragraph 2 Paragraph 3 Topic sentence Task2 .Summarize the general idea of this passage. The passage tells us the _________________and________________ of the computers. (2)Scanning Task1. True or False 1.In 1642 I began as a calculating machine and could solve any mathematical problem. 2.My real father was Charles Babbage, who wrote a book and buildt me in 1936. 3.After I got my new transistors in the 1960s, I became smaller but cleverer and quicker. 4. I was brought into peoples homes and offices in the 1970s. 5.I am now take the place of human race. Task 2: Look at the timeline. Fill in the blanks with information from the reading text.(P19 Ex1.) Time The development of the computers 1642 1822 The Analytical Machine was made by Charles Babbage. 1940s The first family of computers was connected to each other. 1970s now (3)Careful- reading Task 1:Read the passage and complete the chart below.(P19 Ex2) Paragraph 1 Paragraph 2 Paragraph 3 Supporting details Step4 Conclusion How did computers develop? A calculating machine →_____________→ _________________→_________________→________________→_____________→ ________________→many new applications Step5 Homework 1.Retell the passage. 2.P19 Ex3 In pairs discuss.【新課標(biāo)高一必修2 Unit 3 Computer—教案1】相關(guān)文章：
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