《內(nèi)蒙古巴彥淖爾市烏中旗二中九年級英語上冊《Unit 4 Amazing Science Topic 2 When was it invented Section C》學案（無答案） 仁愛湘教版》

1、九年級英語上冊unit 4 amazing science topic 2 when was it invented section c學案（無答案）學習目標：1. 了解機器人將給人類帶來的益處和害處。2培養(yǎng)科學探索精神，討論怎樣使機器人更好地服務于人類。課前預習：1課前復習：任選一例，編寫對話。computerinvent/ in america/ in 1946shenzhou launch / in china/ in 2020cloningexperiment/ dolly/ dnaa：_? b: _a: _? b: _2. 查找有關(guān)機器人在現(xiàn)代社會中發(fā)展的資料，讀1a，試著完成下列的

2、句子并翻譯。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.知識點導學：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用來指人，其后不能接of 短語做主語，謂語用_數(shù)。none既可指人也可指物，其后常接短語（none of +名詞/代詞）做主語，當of后是可數(shù)名詞復數(shù)時，謂語動詞用單

4、、復數(shù)均可。 eg: _ knows the answer. _ of you know/ knows the answer. 2) for certain 確切地，肯定地 確切地說 _2. in a few years, perhaps robots will think and act for themselves. 1）in a few years = _, 譯為“在幾年的時間里，幾年之后”，與一般將來時連用。 2）for oneself 為自己 eg: 你總是為你自己想。 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 意為“警告，告誡”常用結(jié)構(gòu)：warn + that從句； _ 警告某人（不要）做某事； _告誡某人遠離 eg: 我警告你不要獨自去散步。2) no longer 不再 = _ . no more = _no longer中的longer是副詞long的比較級，long有after a certain point of time(在某一時刻以后)之意，著重表示時間的不再延續(xù)，意為“如今不再”。 n

6、o more中的more是many / much的比較級，more有again之意，著重表示數(shù)量或程度的減少，意為“再也沒有更多(大)的數(shù)量(程度)” 或再也不重復過去反復發(fā)生的動作。4. they might treat us as we now treat pets. 譯： 1）might 是may 的過去式，可用于指過去，也可用于指現(xiàn)在， 但語氣緩和、委婉。 2）treat as/ like 以 方式對待/把 看做5. it has made a great contribution to humans health. 譯：_ make a contribution /contribut

7、ions to sth./ doing sth.為(做)做貢獻 we should make a contribution to _ (protect) the environment.教學過程：1 課前復習及預習檢測。課后鞏固：一、根據(jù)漢語意思補全英語句子。1.沒人確切地知道我們的未來是什么樣子no one knows _ _ what our future _ _ _.2.機器人會一直像傭人那樣為我們工作嗎？do robots _ _us like _ all the time?3.人們對機器人的快速發(fā)展感到驚訝。people _ _ _ the rapid development of

8、robots.4.我想，有一天機器人會有自己的思維的。i think that robots _ _ _ _ some day.5.x光機器已為人類做出了貢獻。x-ray machines _ _ _ _ _ human beings.選擇填空。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?（寫出同義句） _ will our future _?