2020【人教版】高中英語必修二：學案全套Unit 3 Computers學案學生版

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1、2020學年人教版英語精品資料 Unit 3 Computers學案（學生版） 單 元 學 習 目 標 導 航 類別 新課標要求掌握的項目 話 題 1. Information technology 2. History and basic knowledge of computers 3. Robots 語 言 知 識 目 標 重點詞匯 calculate, calculator, PC, notebook, common, analytical, simple, simple-minded, technology, tech

2、nological, revolution, universal, mathematical, artificial, intelligence, anyway, totally, network, truly, race, birth, IT, advantage, disadvantage, type, disagree, choice, material, personally, create, coach, move, arise, brain, mop, wander 詞組 in common, in one’s opinion, go by, so…that…, deal wi

3、th, human race, in a way, make up, after all, with the help of, watch over 句 型 1. However, people thought I was simple-minded until they discovered I had “artificial intelligence.” 2. And my memory became so large that I couldn’t believe it. 語 法 現(xiàn)在完成時的被動語態(tài)(The Present Perfect Passive Vo

4、ice) I have been made smaller and smaller. I have been used by millions of people. I have truly been built to help the human race. 功 能 1. Making decisions(做出決定) I think that … In my opinion… I believe that… I agree because … I’ve decided that… Let’s make our decisi

5、on 2. Reasoning(推理) What’s your reason? Why do you think so? I think this one is better because… 情感 文化 目標 1.通過了解電腦的發(fā)展簡史及現(xiàn)狀和應用，能建立并加強用電腦學習的愿望和興趣，樹立了解和參與制造機器人的初步渴求。 2．樹立利用因特網(wǎng)進行合作交往的意識。 The Three Laws of Robotics 1.A robot may not injure a human being or, through inaction, allow a hu

6、man being to come to harm. 2.A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law. 3.A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws. 機器人三原則 1.機器人絕不能傷害任何人或因怠工而造成對人

7、的傷害。 2.在不違反第一條的情況下,不得違抗人的命令。 3.在不違反一二條定律的情況下,可以進行自衛(wèi)。 （一）掌握本單元的重點單詞和短語。 （二）了解計算機和機器人的歷史和基本知識。 （三）語法：現(xiàn)在完成時的被動語態(tài)。 （四）學會做決定和推理的基本語言。 學習策略 通過自主探究，小組合作，鞏固詞匯，增強閱讀能力，了解計算機、機器人等現(xiàn)代科技。 預習案 一.寫出下列詞匯： 1.算盤　　　　 2.簡化　　　　 3.合邏輯的　　 　 4.人造的　　 　　 5.私人的　　　 6.應用　　　　　

8、7.計算　　 　 8.探索　 總數(shù) 9.技術　　 　 10.智力 　　　　　11.總的　　　　　12.電子的　　　　 二.找出以下短語： 1)和…有共同點 2)把…和…比較 3)根據(jù) 4)計算出，解決 5)把…按順序排列 6)聽起來簡單 7)作為……的開始 8)在那時 9)解決問題

9、 10)隨著時間的推移 11)結果 12)與…連接 13) 和…分享 14) 和，而且 15)提供給某人某物 16) 充滿 17) 一種高質量的生活 18)一個忠誠的朋友 19）從……起

10、 20）在……的幫助下 21）處理，對付 22) 看守，監(jiān)視 三.翻譯句子 1. I begin as a calculating machine in France in 1642. 2. I developed very slowly and it took nearly two hundred years before I was built as analytical machine by Charles Babbage. 3. Over

11、time my memory has developed so much that, like an elephant, I never forget anything I have been told. 4. And my memory became so large that even I couldn’t believe it. 5.I was able to share my knowledge with others through the World Wide Web. 6. Anyhow, my goal is to provide humans with a

12、life of high quality. 探究案 學習目標：掌握本單元重點單詞、短語和句型。 一． 重點單詞 1. calculate （v.） 計算，核算，推測，估計 1) It is impossible to calculate what influence he had on her life ________________________________________________ 2) 我們還沒有確切地計算出度假要花多少錢。 ________________________________________________ 常用詞組：calculate

13、on= depend on 指望 calculator (n.)計算器 calculation (n.)計算 calculating (adj.)斤斤計較個人得失的，自私的 2. personally （adv.） 就個人而論 1) 就我個人來說，我是反對他的建議的。 ________________________________________________ 2)她不喜歡這個計劃，但我本人覺得還可以接受。 ________________________________________________ 3. totally（adv.）= com

14、pletely 完全地，全部地，整個地 1) 那個鎮(zhèn)子在地震中完全被毀了。 ________________________________________________ 2) 他們來自完全不同的文化。 ________________________________________________ total（adj.）全部的 in total 總計 The repairs came to over 500 yuan in total. 修理費總共500元。 4. signal （n.）信號，暗號（v.）發(fā)信號，打暗號 1)紅燈常被用作危險的信號。 ___

15、_____________________________________________ 2)小偷用信號警告同伴警察來了。 ________________________________________________ 5. Anyhow, my goal is to provide humans with a life of high quality. anyhow=anyway 無論如何, 反正，即使如此 1）反正，這輛二手車是值得買的。 _____________________________________________________ 2）It’s poss

16、ible that I’m not fit to be a teacher just as you say, but _____,I’ll have a try. A. somehow B. anyway C. therefore D. otherwise 二． 重點短語 1. in common 共同的(地), 共有的(地) 常與have連用 have nothing in common 無共同之處 have little in common 幾乎無共同之處 have something in common 有一些共同之處 have a lot in co

17、mmon 有許多共同之處 1) You know, Mary, you and I have one thing in common. _______________________________________________ 2) 我突然感覺到我們有很多共同點。 ________________________________________________ 2. as a result 結果；終于；因此 1)結果，他只得放棄。 _________________________________ 2) My friend Martin was very sick

18、with a strange fever; ______, he could neither eat nor sleep. A. as a result B. after all C. any way D. otherwise 3. compare with 翻譯： 1) Compare this one with that one. 2) We often compare children to the nation’s flowers. 【歸納用法】 compare A ______ B 把A與B比較 compare A ______

19、 B 把A比作B 注意：當compare的過去分詞短語作狀語時，與with或to搭配都表示“與…相比” e.g ：___________________________（與其他許多同學相比較）, you are very lucky. 4. make up 編造，補足，化妝，組成 理解：指出各句中劃線部分的意思。 (1)Five doctors and ten nurses made up the medical team. _____ (2)The student made up an excuse for his being late. ________ (3)The

20、girl makes herself up in the morning. __________ (4) He soon made up for the lessons he had missed. _________ 注意：作“組成”時,常用被動結構be made up of (由……組成) Five doctors and ten nurses made up the medial team. =The medial team ______________ five doctors and ten nurses. 5. deal with 處理，對付，涉及 1)我不知道如

21、何來對付這些淘氣的男孩。 _______________________________________________________________ 2)你應該認真地處理這個問題。 ________________________________________________________________ 注意：deal with與do with在表示“處理”這一意思時， deal with與how連用，而do with與what連用。 3) Last summer he taught us _____poisonous(有毒的) gas. A. how did we d

22、eal with B. what did we deal with C. how we dealt with D. what we dealt with 6. watch over看守，監(jiān)視，保護，留神，照管，照料 1)我度假時你能幫我照料我的狗嗎？ ________________________________________________________________ 2)請你去游泳吧，我來照管這些衣服。 ________________________________________________________________ 聯(lián)想: wat

23、ch out (for) = look out (for) 警惕、密切注意 7. In 1963 my real father, Alan Turing, wrote a book about how I could be made to work as a “universal machine” to solve any difficult mathematical problem. 注意： 主動形式make sb. do sth. 被動形式sb. be made to do sth. 1) My parents have always made me_____good abou

24、t myself. (feel/to feel) 2)The black workers were made_________the heavy work in those days. (do/to do) 8.I was able to share my knowledge with others through the World Wide Web. share sth. with sb. 和某人分享、分擔某事 1) It’s always better to _____your worries and problems. A. enjoy B. share C

25、. like D. appreciate 2）如果你能讓我搭車(give me a lift)，我將和你分擔費用。 _____________________________________________________ 9．in a way 在某種程度上；從某一角度看(相當于in one/some way)。 _____________________________________________________________ 從某種程度上看，我們的程序員就像是我們的教練。(P23) [歸納拓展] (1)______________ 在某種程度上 (2)_

26、_______the way擋住去路；礙事、妨礙 (3)________ ones way to在去……的路上 (4)________the way在途中 (5)________the way順便說(問) (6)________way of通過、經(jīng)由。 (7)________this way通過這種辦法 (8)________no way決不 (9) way無論如何,不管怎樣 [練一練]用way的相關短語填空。 1 Perhaps he should have said nothing，but ________ it was his

27、 duty. 2 I’m sorry but your leg is _____________. 3 I got caught in the heavy rain _____________ home. 三． 重點句型 1. I developed very slowly and it took nearly two hundred years before I was built as analytical machine by Charles Babbage. “ It took/was +一段時間+ before從句” 意為 “過……后才……” 1）過了五小時我們才

28、到達村莊。 _____________________________________________________ 2）The research will take Joan and Jack about five months, it will be a long time ______we meet them again. A. after B. before C. since D. when 2. Over time my memory has developed so much that, like an elephant, I never fo

29、rget anything I have been told. And my memory became so large that even I couldn’t believe it. 句型：so… that…“如此……以致于……”引導結果狀語從句 (1) so + adj/adv+that從句 (2) so + adj+ a/an+單數(shù)名詞+that從句 (3) so + many/much/few/little+名詞+that從句 拓展：such… that…“如此……以致于……”也可以引導結果狀語從句 (1)such +a/an+ adj+單數(shù)可數(shù)名詞+that從句

30、(2) such + adj+復數(shù)可數(shù)名詞+that從句 (3) such +不復數(shù)名詞+that從句 [考例1] The weather was ______ cold that I didn’t like to leave my room. A. really B. such C. too D. so [考例2] I haven’t seen Ann for ______ long that I’ve forgotten what she looks like. A. such B. very C. so D.

31、too [考例3] She is______ a lovely girl that we all like her. A. such B. very C. so D. too [考例4] She was in ______ a hurry that she forgot the ticket. A. such B. very C. so D. too 注意：與 too…to… 句型的相互轉換 He is too old to carry the box. =He is ______old ____

32、___ he can’t carry the box. =He is_______an old man ________ he can’t carry the box. 四．語法：現(xiàn)在完成時的被動語態(tài) （一）概念【觀察與思考】 1.Our classroom has been cleaned，so you neednt clean it now. 2.The letters have not been typed by now. 3.Have the clothes been washed? （二）現(xiàn)在完成時被動語態(tài)的構成 現(xiàn)在完成時被動語態(tài)的肯定式和否定式的構成

33、 ________________________________________ （三）現(xiàn)在完成時的被動語態(tài)的用法 1．表示被動的動作發(fā)生在說話之前（即現(xiàn)在的過去），強調對現(xiàn)在造成的影響和結果。如：The door has been locked．門被鎖上了。（結果是現(xiàn)在沒有人能進去） 2．在過去發(fā)生的一直延續(xù)到現(xiàn)在的并可能持續(xù)下去的被動動作或狀態(tài)。常與for或since引導的時間狀語連用，或用于“How long...？”句型中。 這臺機器已經(jīng)使用了三年了。 The machine ___________________________ for 3 years. 這部車修了多

34、長時間了？ How long___________ the car ___________________? （四）使用現(xiàn)在完成時的被動語態(tài)需要注意的問題 1．現(xiàn)在完成時的被動語態(tài)有兩個助動詞，即 _______和_______，兩者缺一不可。 He has repaired the computer. Have they painted the door? →___________________________ →_____________________________ 2．注意與一般過去時被動語態(tài)的區(qū)別。 (1)一般過去時的被動語態(tài)表示一個被動

35、的動作發(fā)生在過去某個時候，其結果對現(xiàn)在沒有影響；(2)而現(xiàn)在完成時被動語態(tài)的動作或狀態(tài)盡管發(fā)生在過去，但側重說明該動作或狀態(tài)對現(xiàn)在造成的影響和結果。例如： _______________________________________________這房子是去年建造的。 _________________________________________________這房子已經(jīng)建好了。 3．非延續(xù)性動詞，如borrow，finish，begin，start，buy，marry，open，join等構成的現(xiàn)在完成時的被動語態(tài)不能與表示一段時間的狀語連用。若要表達相應的意思，則要改換動詞

36、或時態(tài)。 How long has this dictionary been borrowed？() (換動詞keep)____________________________________________ 4. 副詞的位置 often, usually, always, never, hardly等副詞通常置于have/has和been的中間。如： Such a man has been hardly believed. () 正:_____________________________ 5．短語動詞是一個不可分割的整體，在被動結構中要保持完整性，不可省略短語動詞中的介

37、詞或副詞。例如： The police have looked into the problem.→______________________________ 檢測案 一．Choose the best answer according to the sentences. 1.My brother works at the power station that __ in my hometown. A. has set up B. has been set up C. was set up D. is set up 2.---_____ the sports meet wi

38、ll be put off. A. I’ve been told B. I’ve told C. I’m told D. I told 3. ---- How long ____ at this job?---- Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you be employed 4.When to go for the holiday ____ yet. A. is not decided

39、 B. was not decided C. is not being decided D. has not been decided 5. Betty___ injured since last Saturday. A. has been B. was C. is 　D. has 6. Great changes___ in my hometown and a lot of factories ___. A. have been taken place; are being set up B. have taken place; have been

40、 set up C. are taken place; had been set up D. took place; will set up 7. It’s said that this book___ into Chinese. A. had translated B. has translated C. was translated D. has been translated 8. Have you ever___ to the exhibition which ___for three weeks? A. gone; has been sho

41、wn B. visited; shown C. been; has been on show D. went; lasted 二．There is a mistake in each sentence, can you find it out and correct it? 1. A personal computer has bought. 2. Sailing races will be hold on the lake tomorrow. 3. Children will not be allow to make a noise in the muse

42、um. 4. Many problems has been found with our new computer. 5. The computer has used every day since we bought it. 6. A lot of e-mails had been written in the past 5 years. 三. 書面表達. 根據(jù)以下內容，用英語寫一篇短文.題目：Life in the future 1. 人們可能到火星(Mars)和其它星球(planet)上度假。 2. 科學家可能會生活在海底進行研究。 3. 每家都有可視電話(videophones)。 4. 孩子們可在家通過電視和廣播(radio)接受教育。 5. 機器人(robot)為你做家務。 要求：詞數(shù)，100字左右?？蛇m當增加細節(jié)是行文連貫。 Life in the future Sometimes I dream about life in the future. What will it be like? ___________________________________________________