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冀教版必修三《Unit 3 The Computer Section 2： MEANING THROUGH PRACTICE》优秀教案设计
Reading comprehension
Some key sentences
Ⅲ. Teaching stresses and difficulties:
Reading comprehension
Language points: before ,as, with
Ⅳ. Teaching tools: Multi-media
Ⅴ. Teaching method: Discussion and practice
Ⅵ. Teaching steps:
Step1. Pre-reading
A short introduction about computers.
Step2.Reading comprehension
Ask the students to read the passage quickly and then answer the questions.
1. What’s the main idea of this passage?
A. The development of computers
B. The development and use of computers
C. A machine which is simple-minded
D. Computers may replace human being
1.In 1642 I began as a calculating machine and could solve any mathematical problem. F
2. My real father was Charles Babbage, who wrote a book and build me in 1936. F
Step3 Language points:
Before 构成的句型主要有：
1）It is /was long before+从句 过了很久才…
2）It will not be long before+从句 过不了多久就…（主句用将来时，从句用一般时）
3）It will be long before+从句 要过很久才…
eg. It was a long time before I went to sleep last night.