人教版必修2 Unit3 Computers單元自主學(xué)習(xí)學(xué)案

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1、 人教版必修2 Unit3 Computers單元自主學(xué)習(xí)學(xué)案 1.Discuss what they have in common.(P17) 討論他們有什么相同之處。 ◆詞語拓展 common knowledge 人所共知的事實(shí) common sense 常識(shí) have...in common 與……有共同之處 in common with 和……一樣(=like) have little/nothing in common 幾乎沒有什么/沒有相同之處 【即學(xué)即練】 A.根據(jù)括號(hào)中的提示完成下列句子。 (1)Don’t relate me t

2、o him. We_____________.(根本不同) (2)It’s not necessary to avoid talking about your relationship—it is_____________(人盡皆知)already. (3)I suddenly felt we _____________.(有許多相似之處) 答案：(1)have nothing in common (2)common knowledge (3)had a lot in common 詞語辨析 common; ordinary; average common 指全體

3、所共有的，共同的特征，強(qiáng)調(diào)常見與普遍。 ordinary 指種類普通，強(qiáng)調(diào)平淡、平庸、普通的意義。 average 通常指達(dá)到平均水平，不突出 【即學(xué)即練】 B.選用上述單詞填空。 (1)Sparrows(麻雀)look quite _______ but they are not ________at this time of year. (2)The first time I met her, I thought we，d seen before. She has got that______ face of a neighbour girl. (3)Why ar

4、e you so impressed with this film？According to me, it’s just ________ . (4)I was not typing very fast. It was only _________ . My_________ speed is 150 words per minute. 答案：(1)ordinary; common (2)common (3)ordinary (4)average;usual 2.Anyhow,my goal is to provide humans with a life of

5、high quality.(P18) 不管怎樣,我的目標(biāo)是給人類提供高質(zhì)量的生活。 說出下列各句中anyhow的意思。 (1)The water was cold but I took a shower anyhow. （雖然如此） (2)She told me not to buy it, but I bought it anyhow. （隨意地） ◆總結(jié)歸納 2 / 7 anyhow=anyway=in spite of that,意思是 “不管怎樣,雖然如此”。 3.As time went by, I was made smaller.(P18

6、) 除著年月的變遷，我被制造得更小了。 【即學(xué)即練】 閱讀下列句子,說出go by的意思。 (1)A car went by (us) at full speed. (2)As time goes by, he loves his mother more. (3)Don，t let the chance go by. (4)He is a man who always goes by the rules. 答案：(1)經(jīng)過 (2)時(shí)間流逝,as time goes by/on等于 with time going by/on (3)失去機(jī)會(huì)

7、 (4)根據(jù)……判斷、按……行事 4.As a result I totally changed my shape.(P18) 因此，我已經(jīng)完全改變了我的形狀。 閱讀下列句子，注意total的搭配和意思。 (1)There are over 4,000 students in total in our school. (in total意為altogether，in all) (2)Why？The room is in total darkness. (total作形容詞，等于complete) (3)The town was totally destro

8、yed after the earthquake. (totally是副詞，等于completely) (4)Imports totalled ＄1.5 billion last year. (total作動(dòng)詞,意思是“共計(jì)，總數(shù)達(dá)”) 【即學(xué)即練】 用total的適當(dāng)形式完成下列小片段。 The company used to have 230 clerks in(1) _______ and their income(2)___________ 50,000 yuan per year. But last year things changed(3)_________

9、_and the products could not be sold out. Most of the workers became out of work, which made them in(4)_____________ despair. 答案：(1)total (2)totalled (3)totally (4)total 5.What are the advantages and disadvantages of each form of IT？(P22) 每種IT有何優(yōu)點(diǎn)和缺點(diǎn)？ ◆詞語拓展 have an advantage of有……

10、有利條件 take advantage of利用,欺騙；占……便宜 be at an advantage處于優(yōu)勢(shì) work/be to one’s advantage對(duì)某人有利 【即學(xué)即練】 翻譯下列句子。 (1)她受過良好的訓(xùn)練，這是她的優(yōu)勢(shì)/有利條件。 _______________________________________  (2)我們應(yīng)該充分利用這里的先進(jìn)設(shè)施來學(xué)習(xí)。 _______________________________________  (3)他利用了她的善良。 ________________________________

11、________ 答案： (1)She had an advantage of a good training. (2)We should take full advantage of the advanced facilities here to learn. (3)He took advantage of her kindness. 6.In this way, I can make up new moves using my “artificial intelligence”.(P23) 這樣，我就可以利用人工智能編出新的動(dòng)作。 【即學(xué)即練】 閱讀下列句

12、子,注意make up的意思。 (1)It usually takes her an hour to make up every morning before she goes. (2)Our association(協(xié)會(huì))is made up of people from all walks of life(各行各業(yè)),or people from all walks of life make up our association. (3)Do not try to make up any excuse(借口). (4)She is amazing. She can al

13、ways make up interesting stories in a short time. (5)You must work hard to make up the lost time. 答案：(1)化妝 (2)構(gòu)成 (3)捏造 (4)編造 (5)彌補(bǔ) 7.In a way, our programmer is like our coach.(P23) 從某種程度上看,我們的程序員就像是我們的教練。 ◆詞語辨析 in a way; in the way; on the/one’s way (to); by the w

14、ay in a way(=in a sense/in one way/in some way）在某種程度上 in the/one’s way 擋著某人的道；妨礙某人 on the/one’s way to 在（去……的）路上 by the way 順便說一下（常用于引出一個(gè)較重要的問題）；順便問一下 【即學(xué)即練】 用上述詞語填空。 (1)Knowing that help is ________, the exhausted man fell asleep. (2) __________, where did you get this dress？It look

15、s great on you. (3)Failure is _________good to one，s development. (4)She’s determined to remove all obstacles(阻礙) ___________success. (5)As she was about to speed the car, she saw a large cow ____________. 答案：(1)on the/its way (2)By the way (3)in a way (4)on her way to

16、 (5)in the way 8. It should also watch over my naughty niece.(P24) 它(機(jī)器人)還應(yīng)該看管我那淘氣的侄女。 ◆詞語辨析 watch out; watch over；watch out for sb；be careful; take care; mind （1）watch out 常用于緊急情況下提醒別人小心，常用于祈使句。 （2）watch over 監(jiān)管,照顧 （3）watch out for密切注意……；提防…… （4）be careful 用于提醒某人要小心謹(jǐn)慎，以防可能出現(xiàn)的危險(xiǎn)或差錯(cuò),含有“

17、提防”之意。 （5）take care 常用于提醒某人要當(dāng)心注意身體健康及安全等?？勺g為“保重”。 （6）mind 常用于提醒某人要留意、留心某些危險(xiǎn)。 【即學(xué)即練】 選用上述詞語填空。 (1)_____________! There is a motorbike speeding here! (2)Would you please_____________ my luggage when I am away for some water? (3)_____________ your steps, please.（您走好） (4)_____________

18、 pickpockets on the bus. (5)You’d better _____________when you have to work with him, as everybody knows he likes to say ill things about his workmate. (6)It’s getting colder and colder. Please __________not to catch cold. 答案：(1)Watch out (2)watch over (3)Mind (4)Watch out for

19、 (5)be careful (6)take care 9.After all, with the help of my electronic brain which never forgets anything, using my intelligence is what I，m all about! (P23) 不管怎樣，在我過目不忘的電子腦的幫助下，運(yùn)用智能就是我的一切！ ◆詞語拓展 after all 畢竟，不管怎樣 above all 最重要的 first of all 首先 in all總共 all in all 總的說來 at all根

20、本，究竟 【即學(xué)即練】 選用上述短語填空。 (1)_____________there are only 300 people passing the driving test. (2)Don’t ask him to carry such a heavy box. _________ he is only a 6-year-old child. (3)I’m glad to be your English teacher, but _________ please allow me to introduce myself to you. (4)He didn’t wor

21、ry about her ___________,for he was sure that she could succeed in getting the first prize. (5)There are many beautiful sentences in your article and its handwriting is good too. _____________, I’m quite satisfied with it. (6)__________, you must prepare everything you need before the examination

22、. 答案： (1)In all (2)After all (3)first of all (4)at all (5)All in all (6)Above all 10. 重點(diǎn)句型 Over time my memory has developed so much that, like an elephant, I never forget anything I have been told.(P18) 隨著時(shí)間的推移,我的記憶能力發(fā)展得如此之快,就像一頭大象一樣,我從來不會(huì)忘記告訴我的任何事情。 so+adj./a

23、dv.+that...如此……以致…… He kept on working so hard that everyone admired him very much. 【即學(xué)即練】他一直堅(jiān)持努力工作，以致大家都非常欽佩他。 活學(xué)活用----模仿造句。 (1)李平跑得如此之快，沒人能趕上他。 ____________________________________  (2)媽媽太擔(dān)心了,以致整晚都睡不著。 ____________________________________ 答案：（1） Li Ping ran so fast that nobody could catch up with him. （2）Mother was so worried that she could not fall asleep all night. 希望對(duì)大家有所幫助，多謝您的瀏覽！