高中英语必修二unit 3Computers reading.pptVIP

abacus calculator huge computer PC laptop PDA robot the Internet a computer a person a calculating machine What do you think the word “ I ” in the title is? √ 1.Who is the teller of the story? 2.What does the passage mainly talk about? 3.We can know that the text is written in an order of _______. The computer. It talks about the history and the development of computers. time have … in common (with) have something in common 有一些共同之处 have nothing in common 没有共同之处 have a lot in common 有很多共同之处 They have nothing in common with one another. 中间可加 something/ anything/ nothing /a lot 等 In common with many other classmates, I love sports. in common with : = like 和…一样 1.Over time I have been changed a lot. 随着时间的流逝，我在不断的发生变化。 over “在…期间 ” over the past few years over coffee /tea/ lunch Eg. Let’s talk over coffee. 咱们边喝咖啡边聊。 2.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我发育缓慢，差不多到了两百年之后，查尔斯﹒巴比奇才把我制成了一台分析机。 It took … before … It took + 一段时间+ before + 从句 “过了一段时间后才…” It was (not)+一段时间 + before+从句 “过了一段时间后才…”(或“没过一段时间就…”) It will (not) be +一段时间+ before+从句 “要过一段时间后才…”(或“用不了一段 时间就…”) Period Two │ 知识梳理 3．By the 1940s I had grown as large as a room, and I wondered if I would grow any larger.　 到20世纪40年代，我已经变得像一间房子那么大，我想知道我是否还能变得更大。 句型公式 (1)By ＋过去时间，主语＋ had done… (2)By ＋现在时间，主语＋have done… (3)By ＋将来时间，主语＋will have done… Period Two │ 知识梳理 By the end of last year, I had learned 100 English words. By now, I have learned 500 English words. By the end of next year, I will have learned 1000 English words. 4.① As time went by, I was made smaller. ② These changes only became possible as my memory improved. ③ As I have grown older I have also grown smaller. as “随着 ”，引导时间状语从句 句型公式 As time goes/went by…随着时间的推移……　 As the sun rose,