Unit 2 Robots Section Ⅰ Warming Up &；Reading-Pre-readingA robot is a machine which is designed to do the work of a human being.It is usually controlled by a computer.Onceit hasbeen given a set of things to do，it will do the job on its own. Robots can paint cars，salvage (抢救) nuclear fuel and evenassist in brain surgery (外科手术), but they're still pretty dumb.Today robots can recognize forms and shapes and measure distance and so on.Many robots have one or two of these abilitiesto some degree, but creating a competent(有能力的)robot that combines most or all of them has been difficult.Current (流行的) robots have advanced sensory systems that process information and appear to function as ifthey had brains.Their “brain” is actually a form of computerized artificial intelligence (AI). AI allows a robot to perceive conditions and decide upon a course of action based on those conditions.A robot can include any of the following parts：effectors — “arms” “legs” “hands” “feet”sensors — parts that act like senses and can detect (侦测) objects or things like heat and light and change the object information into symbols that computers understandcomputer — the brain that contains instructions called algorithms (规则系统) to control the robotequipment — this includes tools and mechanical fixtures (机械手臂)Section_ⅠWarming Up & Reading — PrereadingSATISFACTION①GUARANTEEDLarry Belmont worked for a company that made robots②. Recently it had begunexperimenting with a household③ robot. It was going to be tested out④ by Larry's wife,Claire.Claire didn't want the robot in her house, especially as her husband would be absent ⑤ forthree weeks⑥ ， but Larry persuaded her that the robot wouldn't ha...
