考呗网：一起考呗移动版

　　(4) Students can improve the abilities of reading and speaking.

　　Teaching contents:

　　(1) new words and expressions from the text

　　(2) reading strategies: skimming, scanning and careful reading

　　2. Pre-reading (3’)

　　(1) Free talk:

　　① Play a short video to visit an IT museum in the World Exposition. Enable students to imagine an IT museum which is open in the World Exposition.

　　② Show some pictures of calculation tools such as abacus, calculator, huge computer, PC, laptop, PDA, and ask students to act as a guide, introducing them.

　　③ Offer some pictures of hardware such as monitor, printer, keyboard, mouse, USB, and ask another student to play as a guide to introduce them.

　　(2) Ask students to look at the pictures and the title of the reading passage. Predict what it is going to be about.

　　设计意图：让学生通过介绍的方式，对电脑的发展史有个基本的了解，通过介绍计算机硬件可以扩大学生的词汇量，为理解文章做铺垫，同时激发了学生学习的兴趣。　3. While-reading (12’)

　　Skimming and scanning

　　(1) Ask students to skim the passage quickly to prove their guess and answer the questions.

　　① Who am I? (A computer.)

　　② What’s the passage about? (It’s about the history of computer.)

　　③ In which order is the text written? (According to the time.)

　　(2) Play the tape, ask students to scan the text and find out the topic sentence of each paragraph.

　　Careful reading

　　(1)Divide the students into two teams. Show some true or false questions on the screen.

　　① Alan Turing built an Analytical Machine to solve any mathematical problems. (F) (责任编辑：admin)