仁爱版九年级英语上册精品课件U4T1SC.ppt

1.Tiny computers inside patients’ bodies keep their hearts 2.Computers have made the workplace 3.Computers have made the world 4.Mr .Lee expected Kangkang 5.Kangkang asked Mr.Lee 6.Mr .Lee told us * Unit 4 Amazing Science Topic 1 Spaceships are mainly controlled by computers. 哈尔滨市阿城区杨树民主学校 冯玉梅 李培良 神六飞行纪录片 The spaceship is mainly controlled by computers. （影片） There is no doubt that we will be successful. I dont doubt that they will be able to solve the problems. doubt n. v. 怀疑，不信；拿不准 2.doubt (vt.)+ 从句 3.doubt (vi.)+ about / of Doubt is the key to knowledge. There is no reason to doubt of his honesty. I doubt whether/if hell change his mind. 1.doubt (n.) tiny very small in size a tiny girl connect v. 连接 connection n. 关系，联系 1.connect A with B 使A与B连接 2.connect sth. (to sth.) 使电、气、水等接通 3.connect sb./sth. (with sb./sth.) 与……有联系，把……联系起来 64尺 超大型（Huge） 32尺 大型（Large） 16尺 中型（Medium） 8尺 小型（Small） 4尺 超小型（Tiny） 1. spend… (in) doing sth. 2. spend… on sth. pay (money) for… It takes sb. some time to do sth. sth. cost(s) sb. money Computers help astronauts control the speed and direction of a spaceship’s flight. Robots controlled by computers can do work that is dangerous to humans. This picture shows us that doctors can find diseases easily with the help of computers. Computers are also used in business to place and cancel orders. 1.Is it too late to cancel my order? 2.How can I cancel my account? 听P81-1a的录音, 感知文章大意。 再听,讨论重点句 Listen again, discuss these key sentences. 1.There is no doubt that computers are very useful in technology and business. 2.Tiny computers inside patients’ bodies keep their hearts beating normally. 3.They have made the workplace safer and better. 4.They use them to play games and watch movies. （录音） Read 1a again ,then fill out the table below. At home In factories In hospitals In space The usage of computers Place control the speed and direction find diseases easily and solve other problems do dangerous wor