人教版必修2 Unit3 Computers单元自主学习学案

人教版必修2 Unit3 Computers单元自主学习学案

人教版必修2 Unit3 Computers单元自主学习学案 ‎1.Discuss what they have in common.(P17) 讨论他们有什么相同之处。 ‎◆词语拓展 common knowledge 人所共知的事实 common sense 常识 have...in common 与……有共同之处 in common with 和……一样(=like) have little/nothing in common 几乎没有什么/没有相同之处 ‎【即学即练】 A.根据括号中的提示完成下列句子。 ‎(1)Don’t relate me to him. We_____________.(根本不同) ‎(2)It’s not necessary to avoid talking about your relationship—it is_____________(人尽皆知)already. ‎(3)I suddenly felt we _____________.(有许多相似之处)‎ 答案：(1)have nothing in common ‎ ‎(2)common knowledge ‎ ‎(3)had a lot in common 词语辨析 common; ordinary; average common 指全体所共有的，共同的特征，强调常见与普遍。 ordinary 指种类普通，强调平淡、平庸、普通的意义。 average 通常指达到平均水平，不突出 ‎【即学即练】 B.选用上述单词填空。 ‎(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 are 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 high quality.(P18) 不管怎样,我的目标是给人类提供高质量的生活。 说出下列各句中anyhow的意思。 ‎(1)The water was cold but I took a shower anyhow. ‎（虽然如此） ‎(2)She told me not to buy it, but I bought it anyhow. ‎（随意地） ‎◆总结归纳 anyhow=anyway=in spite of that,意思是 “不管怎样,虽然如此”。 ‎3.As time went by, I was made smaller.(P18) 除着年月的变迁，我被制造得更小了。 ‎【即学即练】 阅读下列句子,说出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)经过 (2)时间流逝,as time goes by/on等于 with time going by/on ‎ ‎(3)失去机会 (4)根据……判断、按……行事 ‎ ‎4.As a result I totally changed my shape.(P18) 因此，我已经完全改变了我的形状。 阅读下列句子，注意total的搭配和意思。 ‎(1)There are over 4,000 students in total in our school. (in total意为altogether，in all) ‎(2)Why？The room is in total darkness. (total作形容词，等于complete) ‎(3)The town was totally destroyed after the earthquake. (totally是副词，等于completely) ‎(4)Imports totalled ＄1.5 billion last year. (total作动词,意思是“共计，总数达”) ‎【即学即练】 用total的适当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)__________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) 每种IT有何优点和缺点？ ‎◆词语拓展 have an advantage of有……有利条件 take advantage of利用,欺骗；占……便宜 be at an advantage处于优势 work/be to one’s advantage对某人有利 ‎【即学即练】 翻译下列句子。 ‎(1)她受过良好的训练，这是她的优势/有利条件。 ‎_______________________________________  ‎(2)我们应该充分利用这里的先进设施来学习。 ‎_______________________________________  ‎(3)他利用了她的善良。 ‎________________________________________ ‎ 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) 这样，我就可以利用人工智能编出新的动作。 ‎【即学即练】 阅读下列句子,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(协会)is made up of people from all walks of life(各行各业),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 always make up interesting stories in a short time. ‎(5)You must work hard to make up the lost time. ‎ 答案：(1)化妆 (2)构成 (3)捏造 (4)编造 (5)弥补 ‎7.In a way, our programmer is like our coach.(P23) 从某种程度上看,我们的程序员就像是我们的教练。 ‎◆词语辨析 in a way; in the way; on the/one’s way (to); by the way in a way(=in a sense/in one way/in some way）在某种程度上 in the/one’s way 挡着某人的道；妨碍某人 on the/one’s way to 在（去……的）路上 by the way 顺便说一下（常用于引出一个较重要的问题）；顺便问一下 ‎ ‎【即学即练】 用上述词语填空。 ‎(1)Knowing that help is ________, the exhausted man fell asleep. ‎(2) __________, where did you get this dress？It looks great on you. ‎(3)Failure is _________good to one，s development. ‎(4)She’s determined to remove all obstacles(阻碍) ___________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 (5)in the way ‎8. It should also watch over my naughty niece.(P24) 它(机器人)还应该看管我那淘气的侄女。 ‎◆词语辨析 watch out; watch over；watch out for sb；be careful; take care; mind ‎（1）watch out 常用于紧急情况下提醒别人小心，常用于祈使句。 ‎（2）watch over 监管,照顾 ‎（3）watch out for密切注意……；提防…… ‎（4）be careful 用于提醒某人要小心谨慎，以防可能出现的危险或差错,含有“提防”之意。‎ ‎（5）take care 常用于提醒某人要当心注意身体健康及安全等。可译为“保重”。 ‎（6）mind 常用于提醒某人要留意、留心某些危险。 ‎ ‎【即学即练】 选用上述词语填空。 ‎(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)_____________ 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 (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) 不管怎样，在我过目不忘的电子脑的帮助下，运用智能就是我的一切！ ‎◆词语拓展 after all 毕竟，不管怎样 above all 最重要的 first of all 首先 in all总共 all in all 总的说来 at all根本，究竟 ‎【即学即练】 选用上述短语填空。 ‎(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 worry 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.‎ 答案： (1)In all (2)After all (3)first of all ‎(4)at all (5)All in all (6)Above all ‎ ‎10. 重点句型 Over time my memory has developed so much that, like an elephant, I never forget anything I have been told.(P18) 随着时间的推移,我的记忆能力发展得如此之快,就像一头大象一样,我从来不会忘记告诉我的任何事情。 so+adj./adv.+that...如此……以致…… He kept on working so hard that everyone admired him very much. ‎【即学即练】他一直坚持努力工作，以致大家都非常钦佩他。‎ 活学活用----模仿造句。 ‎(1)李平跑得如此之快，没人能赶上他。 ‎____________________________________  ‎(2)妈妈太担心了,以致整晚都睡不着。 ‎____________________________________ ‎ 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.‎