《内蒙古巴彦淖尔市乌中旗二中九年级英语上册《Unit 4 Amazing Science Topic 2 When was it invented Section C》学案（无答案） 仁爱湘教版》

1、九年级英语上册unit 4 amazing science topic 2 when was it invented section c学案（无答案）学习目标：1. 了解机器人将给人类带来的益处和害处。2培养科学探索精神，讨论怎样使机器人更好地服务于人类。课前预习：1课前复习：任选一例，编写对话。computerinvent/ in america/ in 1946shenzhou launch / in china/ in 2020cloningexperiment/ dolly/ dnaa：_? b: _a: _? b: _2. 查找有关机器人在现代社会中发展的资料，读1a，试着完成下列的

2、句子并翻译。1）no one knows _ _ what our future will _ _.2）most people think robots_ _ _ _our lives.3）robots work for us_ _all the time without _any problems so far.4） people _ _ _ the rapid development of robots.5） if robots can think and act _ _, they might _ _ want to be our _, but our _, they might _ u

3、s _ we now treat our pets.6） perhaps there will be a war_ human beings _ robots in a few years.知识点导学：1. no one knows for certain, but most people think that robots will be part of our lives. 1）no one 和none 都表否定。no one用来指人，其后不能接of 短语做主语，谓语用_数。none既可指人也可指物，其后常接短语（none of +名词/代词）做主语，当of后是可数名词复数时，谓语动词用单

4、、复数均可。 eg: _ knows the answer. _ of you know/ knows the answer. 2) for certain 确切地，肯定地 确切地说 _2. in a few years, perhaps robots will think and act for themselves. 1）in a few years = _, 译为“在几年的时间里，几年之后”，与一般将来时连用。 2）for oneself 为自己 eg: 你总是为你自己想。 you are always _ _ _.3. one scientist warns that if robot

5、s start to think for themselves, they will no longer want to be our servants, but our master.1) warn 意为“警告，告诫”常用结构：warn + that从句； _ 警告某人（不要）做某事； _告诫某人远离 eg: 我警告你不要独自去散步。2) no longer 不再 = _ . no more = _no longer中的longer是副词long的比较级，long有after a certain point of time(在某一时刻以后)之意，着重表示时间的不再延续，意为“如今不再”。 n

6、o more中的more是many / much的比较级，more有again之意，着重表示数量或程度的减少，意为“再也没有更多(大)的数量(程度)” 或再也不重复过去反复发生的动作。4. they might treat us as we now treat pets. 译： 1）might 是may 的过去式，可用于指过去，也可用于指现在， 但语气缓和、委婉。 2）treat as/ like 以 方式对待/把 看做5. it has made a great contribution to humans health. 译：_ make a contribution /contribut

7、ions to sth./ doing sth.为(做)做贡献 we should make a contribution to _ (protect) the environment.教学过程：1 课前复习及预习检测。课后巩固：一、根据汉语意思补全英语句子。1.没人确切地知道我们的未来是什么样子no one knows _ _ what our future _ _ _.2.机器人会一直像佣人那样为我们工作吗？do robots _ _us like _ all the time?3.人们对机器人的快速发展感到惊讶。people _ _ _ the rapid development of

8、robots.4.我想，有一天机器人会有自己的思维的。i think that robots _ _ _ _ some day.5.x光机器已为人类做出了贡献。x-ray machines _ _ _ _ _ human beings.选择填空。1. the workers made great contributions _the tall building. a. to build b. to building c. build2._ of the students are playing outside, for its raining. a. no one b. none c. someone3. the policeman warns the boys _ on the street. a. to play b. not to play c. dont to play4. the little boy _when he saw his mother. a. cried any longer b. didnt cry any more c. cry no more按要求完成句子。1.what will our future be like?（写出同义句） _ will our future _?