九级英语上册UnitAmazingScienceTopicWhenwasitinventedSectionC学案.doc

九年级英语上册《Unit 4 Amazing Scienee Topic 2 When was itin ve nted 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Computerlnvent/in America/in 1946Shenzhou IXLaunch /in China/in 2012Clo ningExperime nt/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 anyproblems so far.4) People the rapid developme nt of robots.5) If robots can think and act , they might want tobe our , but our , they might us we now treat ourpets.6) Perhaps there will be a war huma n beings robots in a few years.知识点导学：1. No one knows fo r certa in, but most people thi nk that robots will be part ofour 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、复数均可Eg: knows the answ er. of you know/ knows the an swer.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 the mselves.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 on eself 为 自己Eg: 你总是为你自己想 You are always .3. One scientist warns that if robots start to think for themselves, they willno Ion ger want to be our serva nts, but our master.1） war n 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 Ion ger 不再 = . no more = no Ion ger 中的 Ion ger 是副词 long 的比较级， long 有 after a certa in point oft ime（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” no 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 con tributi on /con tributi ons to sth./ doing sth. 为(做) 做贡献We should make a con tributi on to (protect) the env ironment.教案过程:1. 课前复习及预习检测。

2, reading： read and then ansver :1)V/fiat can icbofs lielp liiunan beuigs do '2} VZiiat iiBght Ii^ppeii to rol?<4s m 『f讥v yeais as its iapi(l develops 疋nL3 Understanding reading 〔 read and discuss the questions in lc i n groups]4 Car^fid reading.* Fuush lb.5. Finish 2 and 3.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 developme nt of robots .4. 我想，有一天机器人会有自己的思维的I thi nk tha t robots some day.5. X光机器已为人类做出了贡献。

X-ray machi nes huma n bei ngs.选择填空1. The workers made great con tributi ons the tall build ing.A. to build B. to buildi ng C. build2. of the students are playing outside, for it ' s raining.A. No one B. None C. Some one3. The policema n warns the boys on the street.A. to play B. not to playC. don ' t to play4. The little boy when he saw his mother.A. cried any Ion ger B. did n ' t cry any more C. cry no more5 -Animals ow fiiemkA should be h eiited B heflt 卅 C. nre h ented by6. \\re are to lieai Hie news.A ^iiipiiyed. ^upn^ed B s：wpn$ing、 ^upusedC. siuprised; siupnsmg按要求完成句子。

1. What will our future be like? （写出同义句） will our future ?2. No one knows for certa in who will take the place of Mr. Lee, ? （写出附加疑问句）3. You are no Ion ger a little boy. （写出同义句）You a little boy .4* Robots will be friendly to us.（用 unfriendly 写选择疑问句）Will robots be friendly . to us?5. Jim will come baok home in a f翅 dny»〔对画线部分提问） will J ini come back home?# / 4。