【课本习题】人教版 必修二 Unit 3.doc
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1、【课本习题】人教版 必修二 Unit 3作者:儒风无棣时间:2012年12月27日 23:54 Unit3课内练习答案(P19Ex.1)1642: The computer began as a calculating machine.1936: The computer grew rapidly both in size and in brainpower.1940s: The computer had grown as large as a room.1960s1970s: Computers were used in offices and homes.Now: Computers co
2、nnect people all over the world together.2.P19Ex.23.P20Ex.11revolution2network3simplify4calculate5mobile6solve7explore8totally9anyhow10finance4.P20Ex2explore Web technology artificial applications intelligent logically reality5.P21Ex.21. A new personal computer has been bought by my friend.2. My com
3、puter has been repaired by the shop very quickly.3. My computer has just been attacked by an unknown virus.4. The problem has not been solved by us yet.5. The computers have been given away to local school by the company.6. A kind of intelligent robot has been developed by the scientists.6.P21Ex.37.
4、P22Ex.2Two students are talking about information technology.8.P22Ex.39.P22Ex.410.P23Ex.111.P23Ex.212.Workbook练习答案(P55Ex.2)P1: No.3 P3: No2 P4: No.113.P55Ex.314.P56Ex.11floppy disc2chips3monitor4modern5DVD-ROM6scanner7keyboard8printer15.P56Ex2Personally electronic types download logically arise poss
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