【全国百强校】福建省泉州五中人教版高中英语课件：必修二 u3-computers-reading (共23张PPT).ppt

U3 Computers I am the real father of the machine. Who am I? I am the machine. Who am l? Topic sentence Para1 Over time I have been changed quite a lot. Para2 These changes only became possible as my memory improved. Para3 Since the 1970s many new applications have been found for me. Para1 Over time I have been changed quite a lot find out the changes by finishing the timeline. 1642 1822 1936 1940 1960 1970 Now 1642 The computer began as a ___________ Its function: simplify difficult sums. The sum of...总数、总和 a large sum of money calculating machine 1822 The ________ was made by Charles Babbage. How to operate: (operator) used cards with holes Its functions: think logically and produce an answer quicker than any person. analytical machine (analyze/ analysis) I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. nearly将近 It took sb+时间+ before+(句子) 花了多久才.... 我花了3小时才解出这个数学题。 It took me 3hours before I worked out the math question. At that time it was considered a technological revolution and the start of my artificial intelligence. at that time 在那时+did be considered (as/to be)...被认为是... 1936 _______________wrote a book about... work as a ________ Its function: solve any difficult mathematical problem From then on, I grew rapidly both in size and in brainpower From then on,句子did From now on，句子 will do universal machine Alan Turing By the 1940s The computer __________________as large as ___________ By+过去时间，had done I wonder if I would grow any larger 想知道是否... a room had grown 1960s They gave me a family connected by _____ a network I was always so lonely standing there by myself. doing伴随状语 我唱唱跳跳去学校。 I went to school singing and dancing. by oneself=alone 后置定语（被动） 1970s Computers were used in_________ offices and homes as ___________ PC and laptop Para