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

1、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” r

2、efers to _.2.) What is the passage mainly about? About _.2. Scan the text and finish the timeline.16421822 19361940s1960sThe 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. The d

3、evelopment of computersComputers changedl calculating machinel analytical machinel universal machinel PCl laptopP1. topic sentenceP2. topic sentenceP3.ting.tje ragraphing es to find sorting details for topic sentences of para. 2 and Para.3.r people say computers have brtopic sentencesupporting detai

4、lssupporting detailssupporting detailsl tubesl networklll wrld wide webl Space rocketsllll financell communicationPost 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 wor

5、k 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

6、with others through the _Paragraph 3:Since the 1970s many new applications have been found for me.Ive become very important in _, _ and _. Ive 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 huma

7、ns with a life of high _.2. Retell the text according to the key words.1)Over time I have been changed a lot. In 1642, begin as, .two years later, build as.In 1936, make to work as,As time went by, make small, PC, laptop.2) These changes only became possible as my memory improved.First, memory store in ,.Then on ,Later on,In the early 1960s, give family, connect, share, www.3)Since the 1970s, I have been used in may ways.Become important in .Put into.Used to make.Help with.Put into r