unit 3 《computers》学案 （人教版必修2）

111人教版 高中英语必修（2）unit 3 computers(学案1).English study & teac. 2009-11-22 20:38 阅读20评论0 字号： 大大 中中 小小 Unit 3 Computers学习目标与要求类别课程标准要求掌握的项目话题Information technology; history and basic knowledge of computers; robots词汇calculatecalculatorPCnotebookcommonanalyticalsimplesimple-mindedtechnologytechnologicalrevolutionuniversalmathematicalartificialintelligenceanywaytotallynetworktrulyracebirthITadvantagedisadvantagetypedisagreechoicematerialpersonallycreatecoachmovearisebrainmopwanderin commonin ones opiniongo byso . that . deal withhuman racein a waymake upafter allwith the help ofwatch over功能1做出决定（Making decisions）I think that . Lets make our decisionIn my opinion . Ive decided that . I believe that . 2推理 （Reasoning）The advantage / disadvantage is . I think this one is better because . Whats your reason? I dont like this one because . Why do you think so?语法现在完成时的被动语态的结构和用法As the years have gone by, I have been made smaller and smallerSince then, my family and I have been used by billions of people to deal with information and I have truly been built to servethe human race since my birthScanning: Timeline Go through the text quickly to find some information and fill in the form. 1642The Analytical Machine was made by Charles Babbage19361960sThe first family of computers was connected to each other.1970snowSo in which order is the text organized? (time order)True or False:1. Alan Turing built an Analytical Machine to solve any mathematical problems.2. People began to realize that the computer got cleverer and quicker with time passing.3. The computer began to serve the human race since it was brought into peoples homes.4. Since the 1970s, the computer was used by people around the world through the Internet.5. The larger the computer is, the more memory it has.(F T F T F)Step3 Comprehending Task 1. Choose the best answers according to the text:1. Whats the main idea of the text? (D) A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.2. What can you infer from the text? (B) A. The computer has artificial intelligence. B. The computer changes a lot over the years. C. The computer was not connected by a network until in the early 1960s. D. Now the computer can only be used to deal with information.111