高二英语教学案（7）.doc

高二英语教学案（7）M7 Unit 3 The world onlineWelcome to the Unit Reading & Word powerTeaching aims:Talk about topics related to the Internet and its positive and negative uses to students. Encourage the Ss to improve reading ability while focusing on language points.Teaching important & difficult points:Make the Ss talk about topics related to the Internet and its uses to students.The use of some useful words and expressions.The first period ( Welcome )Language points (Learn and use)1. Search for information on a variety of topics. (P33) a variety of n 1) C a different type of sth.:The article was about the different varieties of Spanish spoken in South America.This variety of rose is especially hardy and drought-resistant. a variety of 2) S many different types of things or people:She does a variety of fitness activities.The equipment could be used for a variety of educational purposes.2. Keep in touch with family members wherever you are in the world. (P33) wherever1) adv./ conj. to or in any or every place:We can go wherever you like.Wherever I go I always seem to bump into him.All across Europe, wherever you look, marriage is in decline and divorce rates are soaring. 2) adverb used instead of where to add emphasis to a phrase, usually expressing surprise:Wherever did you find that hat!Wherever did you get that idea!Wherever does he get the money from to go on all these exotic journeys? 高考链接In peace，too，the Red Cross is expected to send help _ there is human suffering.（2006江西）A. whoever B. however C. whatever D. whereverHomework1. Preview Reading in the second part on page 34-35 ( including Part A )2. Finish off C1The second period ( Reading 1 )3. That is to say, I believe that the Internet has positive effects on our lives. (P34) 1)that is to say 也就是(说)，换言之，亦即常用来进一步解释前面说过的事情。这是个固定短语，在句中作插入语。 My boss has asked me to attend a lecture about the use of the Internet three days from now，that is to say，on FridayJohn is a Londoner，that is to say，he lives in London2)have an effect on对有影响；对起作用 As we know some terrible websites on the Internet have a very bad effect on people ，especially childrenHe is helpless and even punishment has very little effect on himThe present system of payment will remain in effect until the end of the rental agreement.When do the new driving laws come into effect?4. The first is its value for people who are looking for information. (P34) value n. 1) S or U They are known to place/put/set a high value on good presentation.2) U how useful or important sth. is:The photos are of immense historical value.His contribution was of little or no practical value.3) the amount of money which can be received for sth.:She had already sold everything of value that she possessed.What is the value of the prize?This watch is good value for your moneyvt. 估计某物的价值，给某物估价；重视、珍视某物某人 eg：Do you value her as a good friend?They valued the land at three million dollars高考链接To make members of a team perform better, the trainer first of all has to know their _ and weaknesses. （2006湖北）A. strengths B. benefits C. techniques D. values5. acquire vgain or obtain sth / be given sth获得，取得,收到(某事物) eg：Weve just acquired a dog我们刚得到一条狗。 Mr Brown acquired a fortune in the oil businessShe acquired a knowledge of French by careful study 注意：其名词为acquirement指获得，学到；得到的东西 eg： I appreciate your acquirements6. Internet users can communicate with experts on all sorts of topics，and read articles written by people who are leaders of their fieldsall sorts of各种各样的；一切种类的 形容词短语，在句中作前置定语，修饰可数名词的复数，偶尔也跟不可数名词。The travel agency provides a11 sorts of servicesThe shop is well stocked with all sorts of goods All kinds of people are needed to do all sorts of work in the society sort v.将分类 sort out :整理He was sorting his foreign stamps into piles He sorted out the good apples from the bad onesHomeworkFinish off C2 , D , E & F The third period ( Reading 2 )7. They say children spend too much time chatting and playing games instead offocusing on their school workfocus()on/upon(1)把(思想等)集中于(某事物)；以(某事物)为重点中心。focus在此可及物也可不及物，但整个短语却总是及物的。focus的宾语可为：ones attention(注意力)， thoughts(思绪)， mind(心思)，efforts(努力)， energies(精力)等，一般不是具体的东西。这些短语都可有被动语态。Many Chinese firms are focusing on expanding their market overseasHe finds it hard to focus his thoughts on one thing for longer than five minutesWhen the kitchen is finished Im going to focus my attention on the garden and get that sorted out.(2)使(光线等)聚集于If you focus bright sunlight on dry wood with a piece of glass，it will start burning拓展:concentrate()onupon集中精力，把“ 集中于 ”centre ()onupon集中于；以为中心 fixonuponOur society ought to concentrate more efforts on helping the poor and the disabledEveryones attention was centred on the speaker.The people who are to be happy fix their attentionmind on the convenience of things8. advance vt. 推进，促进，增加，提高 Chemical fertilizers advance the growth of crops. It is a great force to advance all kinds of work. n. 前进；进展 The army has made an advance. This invention is a great advance. in advance：ahead of time; beforehand提前；预先If you want to get the book, you must pay for it in advance. in advance of: in front of; ahead of在前面；在之前He walked in advance of his wife.9. One of the greatest benefits of Internet friendships is that they are based on common interests, rather than appearance，age or popularity(P34)common共同的；普通的，常见的； commonly advcommon interestsshare a common aimpurpose the common cold感冒the common sense常识have sth(mucha lot/ nothing) in common(with sb)common, ordinary, normal, usual, regular, popular, general1)common用于物，指不稀奇，很普通，无异常的特征；用于人，指很平凡，没有职位，不高贵。2)ordinary指日常生活中随时碰到的、平凡的、平常的。3)normal指正常的、通常的。4)usual指通常的，用以表示自然界中符合规律的事物，也可表示符合社会风俗或个人习惯的事物。含有一贯如此，并不新奇的意思。5)regular指符合常规，有规律的；暗示没有意外发生的或不稳定的情况。6)popular指被广泛地接受或在普通人中间广为流行的、通俗的、大众化的。7)general含义较笼统，指同类中的近乎全部、绝大部分或绝大多数，含几乎没有例外之意。as a general rule，generally， The book describes the way of life that the ordinary people of the European countries 这本书描述了欧洲国家普通人的生活方式。The average temperature this winter is below normal今冬平均气温比正常偏低。Following the usual method，he heated the metal and found that it expanded他采用通常的方法，把金属加热并发现它膨胀了。Mr Goodman is a regular customer of ours古得曼先生是我们的常客。Jogging is a popular form of exercise慢跑是一种十分普及的锻炼方式。The general opinion is in favor 0f them舆论是支持他们的。实用链接：As you know，whether the person will be elected president is a matter of _interestA. general B. common C. ordinary DmostlyIt is _ sense to carry an umbrella in case of rainA. usual B. normal C. common D. popularrather than: which is better than; instead of 倒不如说；是而不 He is a writer rather than a teacher 1)接名词You, rather than she, are my guest. 2)接代词The color seems green rather than blue. 3)接形容词Id prefer to read in the library rather than at home. 4)接介词短语Rather than regretting for the failure, why not try again? 5)接动词+ing高考链接 It is what you do rather than what you say _ matters(2005天津)Athat Bwhat Cwhich Dthis10. address(1) n住址，地址，通讯处 eg：Tell me if you change your addressPlease write down your business address(2) v设法解决，处理；对付；对作演讲；称呼 eg：We must address ourselves to the problem of traffic pollutionThe chairman will now address the meetingDont address me as Manager，Im only an assistant11.advantage (1)n优越的或成功的条件或环境；优势，有利因素 eg：He has the advantage of a steady jobThis school has many advantagesThere is little advantage in buying a dictionary if you cant read 注意下列短语的含义：gain (have，win)an advantage over胜过，优于have the advantage of 胜过，占优势；take advantage of sb 欺骗(或捉弄)某人；take advantage of sth趁机利用某事。 eg：John wins an advantage over me in high jumpYou have the advantage of me there We couldnt take advantage of anyoneHe took advantage of my computer when I was out yesterday(2) vbe beneficial to sb；profit有益于(某人)；有利于 eg：Doing morning exercise will advantage you a lot(3)disadvantage n 不利条件，不利因素，劣势 eg：The other candidates main disadvantage is her ageThe lack of decent public transport is a great disadvantage12. These problems of inaccuracy do not occur as often when people use traditional ways to find information. (P35) occur : verb -rr- to happen: An accident involving over ten vehicles has occurred in the east-bound lane. adverb or preposition (-rr-) to exist or be present in, among, Violence of some sort seems to occur in every society. occur to sb. If a thought or idea occurs to you, it comes into your mind: + that It never even occurred to us that he hadnt been invited.occur, happen , take place ,break out , come about1)某事作主语，表示事情偶然发生时，occur，happen和come about同义，都可用。有时可以以it为形式主语，后面跟主语从句。2)某事作主语，表示事情不是偶然发生的，而是按意图、计划进行的，用take place。它还可引申为“举行、进行”的意思。3)当主语是战争、疾病、火灾等激烈事件时，用break out，意思是“爆发，突然发生”。4)表示“在脑海中出现某种想法”时，用occur。5)表示“碰巧做某事”时，用happen，后接不定式。6)come about发生，造成When John woke up in the hospital，he didnt know how that had come aboutHow did it come about that you didnt report this to us in good time?实用链接：The plague _ in London that autumn，and hundreds of people diedThe sports meeting will_ in the stadium next weekIt _to me that MrLi knew him very wellAt that time he _to be walking his dog in the street高考链接:I along the street looking for a place to park when the accident （2006安徽）A. went; was occurring B. went; occurred C. was going; occurred D. was going; had occurred13As the Internet has gained popularity, there has been a change in the way people spend their time gain:得到；获得；赢得(尤指想或所需的事物)；增加；(钟表) 走快 I have gained some experience in marketing and sales，which I hope I can share with you I have gained a lot of friends since I arrived here He had gained weight and looked much betterThe clock gains(by)three minutes a daygain/ obtain / acquire / win / earn 1)gain指凭借相当大的努力在竞争或斗争中获得报酬、胜利、名誉、知识、权力、进步等。2)obtain指通过较大努力或经过相当一段时间后才获得早已希望得到的东西。3)acquire指通过不断的努力，逐渐地获得智力、技术和能力等。也指经过努力获得某种实物。4)win 指凭借奋斗在比赛或竞争中取胜或取得优势。也指努力获得他人的爱、尊敬或好感等。5)earn表示获得报酬，也可指得到坏的报应。6)get 最普通用语。几乎可同其他名词互换使用。实用链接：I am new in the job but I am already _ experience.Please _ me a glass of waterHis perseverance _ him many friends and a gold medalHe _ up to$50,000