人教版高中英語必修2 Unit3 Reading名師課件

1、名名 師師 課課 件件0 0Unit3 Computers人教版必修二人教版必修二Unit3Reading學(xué)學(xué)習(xí)習(xí)目目標(biāo)標(biāo)名名 師師 課課 件件0 01. Get the gist and details by skimming and scanning;2. Tell the structure of the passage by classifying information;3. Retell the development of computers. 0Warming-upPre-readingWhile-readingPost-reading0monitorkeyboardmouse

2、speakerGive each picture an English name.0Warming-upPre-readingWhile-readingPost-reading0modemscannerprinterUSB flash dischard disc0 0Warming-upPre-readingWhile-readingPost-readingWhen did they appear?0While-readingwarming-upPre-readingpost-readingThe text mainly tells us a short history of the deve

3、lopment of the _ and its _ in different fields. computerapplications Whats the passage about?Main Idea0While-readingwarming-upPre-readingpost-readingWhile-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-readingRead the passage and finish the timeline. 1642

4、1822The analytical machine was made by Charles Babbage.The computer began as a calculating machine.Scanning0While-readingwarming-upPre-readingpost-readingWhile-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-reading1940sThe first family of computers was co

5、nnected to each other.The computer grew rapidly both in size and in brainpower.Computers had grown as large as a room.1960s19360While-readingwarming-upPre-readingpost-readingWhile-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-reading 1970s nowComputers w

6、ere used in offices and homes.Computers connect people all over the world together.0While-readingwarming-upPre-readingpost-readingWhile-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-readingPre-readingpost-readingthe second generation (1956-1963)the third generation (1964-1971)

7、the fourth generation (1971- )The first generation (1945-1956)The four phases of development of computers0 0Warming-upPre-readingWhile-readingPost-readingI began as a _ machine in 1642. It tooknearly two hundred years _ I was built asan analytical machine. I became a “universalmachine” in 1936 to _

8、any mathematicalproblem. I was very big at one time. calculatingbeforesolveSummary of the passageSummary0 0Warming-upPre-readingWhile-readingPost-readingHowever, as time _ by, I was made smaller andsmaller. I was given a family _ by a networkin the early 1960s. I was able to _ my knowledgewith other

9、s _ the World Wide Web.wentconnectedsharethrough0 0Warming-upPre-readingWhile-readingPost-readingI have been widely used in many fields, such as incommunication, _ trade and medical_ . I have also been put into robots andspace rockets to _ the Moon and Mars. Imglad I am a devoted friend and helper of the humanrace.financeoperationsexplore0 0Retell the text according to the following clues and then write down your retelling.0 0Warming-upPre-readingWhile-readingPost-readingChanges of the machineCalculating machineAnalytical