abacuscalculatorhuge computerPC= personal computerlaptopPDA 掌上电脑=personal digital assistantWhat are they?【′ æbəkəs 】【 ′ kælkjuleitə 】【 ′ læp′tɔp 】1243561. monitor 2. screen 3. CD-ROM4. mouse 5. keyboard 6. hard diskLabel each partWhat do you use computers for?type your homeworkdraw picturesplay gamesdownloadgather informationlisten to musicwatch movies…… emailschat with … How useful computers are!Step Ⅱ ScanningRead the passage quickly and find out the topic sentence of each paragraph.★ Usually the first or the last sentence of a paragraph can be the topic sentence . The topic sentence can help us know the main idea of a paragraph. Reading tipPara 1:Para 2:Para 3:Over time I have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications( 用途 ) have been found for me. What’s the main idea of the text? 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. A short history of the development of the computer. 1642 ___________________was made by Charles Babbage. 19361940s The first _______of computers was connected to each other.1970s now TimelineThe computer _____ as a calculating machine in France ．1822______________wrote a book to describe how computers could be made to work as a universal machine ．Computers had grown_____________Computers were used in _____________StepⅢ : Skimming 1960scomputers connect people ___________ together.beganThe Analytical Machine as large as a room.offices and homes ．all over the worldAlan Turing family In what order( 顺序 ) did the writer organize the text? A. space B. time C. cause and result D. inverted...
