新人教版高中英语必修2Unit3Computers精品课件

1、learning goals1. master the usages of key words & phrases.2. learn to use them.3. develop the spirit of teamwork.important points as a result, with the help of, in a way, deal with, sothat1. network a. to work out the anwer to a problem 2. simplify b. the practical use of sth ,especially a theory or

2、 a discovery3. solve c. completely4. explore d. anyway5. totally e. to make things easier6. anyhow f. to travel around an area to find out sth about it7. goal g. connected computer system8. application h. sth that you hope to achieve1). match the words with the correct meanings. teaching procedures.

3、revision2). fill in the blanks according to the text. in 1642, the computer began as a (计算) machine,which could (简化)difficult sums. it could think . from 1936 on, the computer could be made to any difficult mathematical problom. time went by, (技术) revolution made the computer change a lot. the memor

4、y of computers developed so much computers could deal with many probloms. nowadays computers have been put into space to the space. anyhow, the computers is to provide with happiness.calculatingsimplifylogicallyastechnologicalthatexploregoalhuman racesolve1. personal adj.【原句再现】【原句再现】first as a pc（pe

5、rsonal computer）and then as a laptop, i have been used in offices and homes since the 1970s. this novel is written from personal experience. those are my personal letters.you have no right to read them the host gives us a warm personal welcome.归纳：归纳：personal adj. personally adv. personally, i am aga

6、inst his plan. the host welcomed his guests personally. 归纳：归纳：personally 个人的私人的亲自的就个人而言亲自地.language learning & using it doesnt often rain in summer. as a result,we have to water the garden. as a result of the accident, he became lame(跛). 归纳归纳：as a result意思是 ，只能单独用； as a result of= , 意思是 。即学活用即学活用a.

7、用as a result或as a result of 填空。 (由于)exercise,he has built up his health. he got up late. (因此)，he missed the early bus.as a result结果because of因为，由于as a result of2. as a result【原句再现】as a result i totally changed my shape. b. 请用as a result表述图片内容。he spent too much time in surfing the internet. as a resu

8、lt, he fell asleep in class.上网时间太长，只好睡觉在课堂3. anyhow adv.【原句再现】【原句再现】anyhow, my goal is to provide humans with a life of high quality. the door wont open anyhow. anyhow, it is worth trying.归纳归纳:anyhow = anyway意思是意思是 结果，一些学生在考试中失败。不管怎样，他们结果，一些学生在考试中失败。不管怎样，他们 没有灰心（放弃）没有灰心（放弃）。（译）。（译）无论如何不管怎样as a resul

9、t, some students failed in the exam. anyhow, they didnt lose heart/give up.运运 用用4. sothat观察探究观察探究 the book is so difficult that nobody can understand it. he left so quickly that we didnt have time to say good-bye.he is so funny a boy that we all like him.there are so many cars on the street that i c

10、ouldt get through. we have so little money that we cant buy a car. students have so much homework to do that they spend little time playing.归纳 ：sothat意思是 , 用来引导 从句，有以下结构：so+ / +that从句 so+ +a/an +that从句so+ / / / +名词+that从句如此以致于结果状语形容词副词形容词单数名词manymuchlittlefew【原句再现】over time my memory has developed s

11、o much that, like an elephant, i never forget anything i have been told! 运运 用用请用sothat表述图片内容picture 1. the boy has so much homework to do that he cant get enough sleep.picture 2. he was so crazy about computer games that he broke the law12因为太痴迷于电脑游戏才犯了法观察探究观察探究 with the help of my teacher, i have ca

12、ught up with others. with his help, i passed the exam.归纳归纳 ：with the help of sb./sth.(with ones help) 意思是运运 用用在的帮助下借助于，请用with the help of表述图片内容with the help of my teacher, i got the second prize in the competition.5. with the help of【原句再现】after all, with the help of my electronic brain which never f

13、orgets anything, using my intelligent is what im all about.观察探究观察探究 in a way, i like this new book very much. in one/some way,what you did is wrong.归纳归纳 in a way=in one/some way, 意思是联想联想on the /ones way to by the way in this way 在某种程度上在去的路上顺便问一下用这种方法6. in a way7.deal with观察探究观察探究 how did you deal wi

14、th the water pollution of this area? such people are difficult to deal with. this book deals with west africa.归纳：归纳： deal with为动介词组，相当于及物动词，后接宾语。意思是 提示提示 ：在特殊疑问句中deal with常和how连用，而do with 常和what连用，因为what作动词do的宾语。处理对付涉及 can you tell me to deal with it ? have you done with my bike ? i dont know what t

15、o all the food left. how do you a car accident after it happens ？ 借助于电脑，你会发现处理信息是不难的。(译)运运 用用howwhatdo withdeal withwith the help of the computer, you will find it not difficult to deal with information.8.原文再现原文再现 as time went by, i was made smaller.(译) 随着时间的推移，我被造得越来越小。 as i have grown older, i hav

16、e also grown smaller.(译) 随着我年龄越来越大，我也变得越来越小。观察探究观察探究with time going on, we grow older.=as time goes on, we grow older. consolidation1. 完成句子完成句子it rained heavily for three days. (结果), many buildings were destroyed. (在的帮助下) his friends, he finally solved the problem. (随着时间的流 逝), computers are made mor

17、e and more advanced. he was (如此生气以致于) he left the room without saying a word. (在某种程度上), i am not quite against surfing the internet.as a resultwith the help ofas time goes by/with time going byso angry (that)in a/one/some way2. 单项选择单项选择 last summer i took a course on _ poisonous gases. a. how to dea

18、l withb. what to deal with c. how to be dealt withd. what to be dealt with _ time goes by, we grow wiser. _ time going by, we grow wiser. a. with; as b. as; withc. when; asd. while; for susan advised me not to buy the vase, but i bought it _. a. howeverb. thoughc. anyhowd. therefore i havent seen an

19、n for _ long that i have forgotten what she looks like.（08 四川）四川） a. suchb. veryc. sod. tooabcc. improvement mini-writing 现在，电脑在我们日常生活中发挥着越来越重要的作用。请你根据提示写一篇包含5-6个句子的短文。提示：提示：借助电脑能处理很多事情，如听音乐、看比赛、发借助电脑能处理很多事情，如听音乐、看比赛、发e- mails等。（等。（with the help of，deal with） 有些学生痴迷于有些学生痴迷于(be crazy about)上网，以致于厌烦了学上网，以致于厌烦了学 习，有些甚至因此犯了法（习，有些甚至因此犯了法（break the law）。）。 (sothat ，as a result) 就你个人而言，谈谈你对正确使用电脑的看法。就你个人而言，谈谈你对正确使用电脑的看法。 (personally) nowadays, the com