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1、人教版新课标高一必修2 Unit 3 Computer教案1人教版新课标高一必修 2Unit3Computer教案 1Unit3Computer鈥斀贪 1 TITLE=人教版新课标高一必修2Unit3Step 1.WarmingupTask1: What is it?An old alulating mahine used inChina until no._It is a ne alulating mahine hihan solve a large number of mathematialproblems._It is built to solve some mathematialpro
2、blems. But it is too big. _It is a puter hih an solve allkinds of problems and is used idelno._It is a kind of puter hih an betaken onvenientlLaptopCalulatingmahine（计算机器）RobotandroidPCUniversalmahine（通用机器）Please hek to see if ou ereright after reading the passage!Step 3. Listening andreadingSkimming
3、Task 1. Find out the topi sentenes of eah paragraph.Paragraph1Paragraph2Paragraph3TopisenteneTask2 .Summarize the general idea of thispassage.The passage tells us the_and_ of theputers.SanningTask 1. True or False1.In1642I began as a alulating mahine andould solvean mathematial problem.M realfathera
4、s Charles Babbage, ho rote a bookand buildt me in193 3.After I got m ne transistors in the1960s,Ibeame smaller but leverer andquiker.4. I as brought intopeoples homes and offiesinthe1970s.5.I amnotake the plaeofhuman rae.Task 2: Look at the timeline. Fill in the blanks ithinformation from the readin
5、g text.TimeThe development of theputers16421822The Analtial Mahine as made b CharlesBabbage.1940sThe first famil of puters as onneted to eahother.1970snoCareful-readingTask 1:Read the passage and plete the hart belo.Paragraph1Paragraph2Paragraph3SupportingdetailsStep4ConlusionHo did puters develop?A alulatingmahine_man neappliationsStep5Homeork1.Retell the passage.P19 Ex3 In pairs disuss.
