高中英语 Unit3《Computer-warming up and reading》学案 3 新人教版必修2

Unit 3 Computers Reading :WHO AM I?Pre-reading1.What do they stand for?PCITwww.2.Do you know the following words related to computers?hard disc searchsoftwaredownloadmemoryupdatechipsclickartificial intelligencestoreprogramWhile-reading1.Skim the passage and find out:1) What does “I” refer to? “I” refers to _________________.2.) What is the passage mainly about? About _________________________.2. Scan the text and finish the timeline.1642 1822 1936 1940s1960sThe first family of computers was connected to each other.1970snowComputers connect the people all over the world together.3. Scan the text and find some supporting details.用心 爱心 专心1 Post reading1. Read the summary and fill in the blanks.paragraph 1 Over time I have been changed a lot. I began as a __________________ and two years later I was built as an ________________. In 1936, I was made to work as a______________As time went by, I was made from huge to small, first as a ______ and then as a _______. Paragraph 2The changes only became possible as my memory improve .First my memory was stored in _______, then on ____________ and later on very small ______. In the early 1960s, I was given a family connected by a _________. I was able to share with others through the ________________Paragraph 3:Since the 1970s many new applications have been found for me.I’ve become very important in ________________, ______ and ________. I’ve also been put into ______ and used to make ______________ as well as help with ______________. I have even been put into ___________ and sent to explore the Moon and Mars. My goal is to provide humans with a life of high ___________.用心 爱心 专心2Computers changedcalculating machineanalytical machineuniversal machineP...