1、Unit 3 ComputersPeriod 1 Reading and comprehending 一. 导学习得单词预知智力- 分析机-通用机- 晶体管-人工智能- 科技革命-功能-二.合作探究(学生：Skimming the reading passage and find：1. What is the type of the passage?2. First put the following machines in an order according to the time when they appeared, then check the answer after readin
2、g the passage.( ）analytical machine ( ) calculating machine( ) robot( ) PC( ) universal machine( ) laptop3. Listening to the reading passage and finding the main idea of it三激情点拨（学生；Scanning the reading passage and discussing the following ）True or False?1. In 1642 I began as a calculating machine an
3、d could solve any mathematical problem.2. My real father was Charles Babbage who wrote a book and built me in 1936.3. After I got my new transistors in 1960s,I became smaller but cleverer and quicker.4. I was brought into peoples homes in the 1970s.5. .Since my birth I have been built to take the pl
4、ace of human race.四巩固内化1. “I” in the passage refers to-.来源:学.科.网Z.X.X.KA . A TV setB .A computerC .A radioD .The internet2. When was the computer the biggest?A. In 1642来源:Zxxk.ComB. In 1936c. In the 1940sD. In the 1970s3. How old is the computer?来源:学科网ZXXKA. About 370 years oldB. About 270 years old
5、C. About 70 years oldD. About 470 years old来源:Z。xx。k.Com 4. Which of the following statements is true?A. Charles Babbage built an Analytical Machine in 1642B .A“ Universal Machine” was built to solve any difficult mathematical problemin 1936C. The computers were connected by a network in the late 19
6、60s.D. Computers were used in offices and homes since the 1970s.5.What can we infer from the test?A. A computer can take the place of the human race to do any work in the future.B. The smaller a computer is, the faster it calculates.C. Computers can solve all the problems of the human race.D. People
7、 can benefit more from computers in the future.五拓展延伸1.（学生：Read the passage again and circle the time and event. Fill in the timeline blow.）16421822The analytical machine was made by Charles Babbage.1940sThe first family of computers was connected to each other.1970sNow2.（学生：Read the passage again and complete the chart below.）Page19.六反思提升:After this period, the students should summarize what they have got in this period and what should be improved.
