高中英语 Uint3 Inventors and Inventions Language points课件 新人教版选修8.ppt

Unit 3 Inventors and inventions,language points,(Page23)EX2. Replace the underlined parts with words that have the same meaning. Rewrite the sentence when necessary.,1. The greengrocer at the corner is probably the easiest and nearest to reach. 2. If you want to apply for a credit card, you must provide officially acceptable identification.,most convenient,valid,3. You need to approach that animal with great care as it may bite. 4. She accepts everything during meetings and does not contribute to discussions at all. 5. I found his phone number in the directory and tried to telephone him last night, but there was no reply. Later I found I dialed the wrong number.,caution,is passive,call/ring him up,6. I dont think of my hometown very much, only sometimes. 7. Luckily the rainfall stopped suddenly before I left. 8. In a courtroom it is sometimes difficult to recognize who is innocent and who is guilty.,now and then,abruptly,distinguish,1. Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them. (Para1,Line5),现在有通过发明某种仁慈的既能捉住蛇又不伤害蛇的东西的机会表现我自己了。,something merciful 仁慈的东西 something strange 奇怪的东西 something to eat 吃的东西 that 引导定从，先行词是something,2. The first thing I did was to see if there were any products that might help me, but there only seemed to be powders designed to kill snakes. (Para2,Line1) 我先看看是否有能帮助我的产品，但好象只有一些用来杀死蛇的药粉。 there be常见的形式有：there seems to be.there happens to be.there used to be./ there seems (to be) I did是定从, 先行词是the first thing designed 过去分词作后置定语 if 引导see的宾语从句“是否”,There is a bucket of water and two chairs in the corner of the house. 1) 在房子的角落里有一桶水和两把椅子。 There are two chairs and a bucket of water in the corner of the house. 2) 在房子的角落里有两把椅子和一桶水。 3) The child seems _ _ healthy, but the doctor is concerned. 4) It seems to me _ theres something funny about the case. 5) There doesnt seem _ _ much hope that hell come.,to be,that,to be,seem的归纳总结： sth.sb. seem (to be)+adj.n.好像 It seems that. 似乎，好像 It seems to sb. that. 在某人看来好像 It seems as ifas though. 看起来好像(后可接虚拟语气，也可接表真实的表从) There seems (to be) 好象 It seems as if it were going to rain. (天气好得很，不会下雨。) It seems as if it is going to rain. (真的快要下雨了。),3. Between the outside and the inside walls of the bowl there is some jelly, which freezes when cooled. (Para3,Line4) 在碗的内壁和外壁都抹上果冻，这些果冻冷却后会冻结。 when cooled的构成：连词+过去分词，相当于when 引导的状语从句when it is cooled。,1) Prepared with some research findings, I decided on three possible approaches: . (Para3,Line1) 经过一番研究准备之后，我决定采用三种可能的方法 (After I was prepared with.) 2) But once picked up, they tried to bite me. (Para5, Line4) 但是一旦他们被捡起,他们就要咬我。 (But once they were picked up, .),3) But monitored carefully, the snakes proved to be no trouble and all went according to plan. (Para6,Line3) 但是如果这些蛇被仔细监视，就会证明他们不会惹麻烦，并且一切按计划进行。 But if the snakes were monitored carefully, .,4) Pressed by my friends and relations, I decided to seize the opportunity to get recognition for my successful idea by sending my invention to the patent office. (Para7,Line1) 由于我的朋友和亲戚对我的敦促，我决定抓住这个机会，通过发送我的发明专利办公室为我的成功的想法得到认可。 (As I was pressed by ),when/while /once/unless/ if 等连词所引导的状语从句中的主语与主句主语相一致，且从句中含有系动词be 时，从句中的主语和系动词be可省略，形成“连词+分词” 结构。 1. When offered help, you should say “thank you” or “its very kind of you”. = When you are offered help, you should say . 2. You must be careful when crossing the street. =You must be careful when you are crossing the street.,3. Seen from the hill, the city is beautiful. = IfWhen the city is seen from the hill, the city is beautiful. 4. Seeing from the hill, you can see that the whole city is beautiful. =IfWhen you are seeing from the hill, you can see that the whole city is beautiful.,Once _ (publish), this novel will be very popular! _(tell) many times, he still couldnt understand. The girls are talking excitedly, _ (follow) their teacher.,Having been told,published,following,_ with the size of the whole earth, the biggest ocean does not seem big at all. Compare B. When comparing C. Comparing D. When compared _more time, we are sure to finish it. A. Given B. Giving C. Be given D. If giving,D,A,4. This was in the expectation that the snakes would bite again. (Para6,Line2) 这是在预料中：蛇会再咬人。 that从句是一个同位语从句，作expectation的同位语。 1) News came from the school office _Wang Lin had been admitted to Beijing University. A. which B. what C. that D. where,C,5. (Para7,Line2) Only after you have had that recognition can you say that you are truly an inventor. 只有你得到这种承认，你才可以说是一个真正的发明家。 Only修饰状语，位于句首，主句的语序需要倒装。 还原：You can say that you are truly an inventor only after . 1) Only by working hard can we pass the exams. -We can pass the exams only by.,2) 某些否定词never, seldom, hardly, neither, nor, not, only, little 等位于句首，表强调也用倒装。 Nor will you receive a patent until a search has been made to find out that your product really is different from everyone elses. (Para8,Line1) Never have I seen such an exciting film. 我从未看过如此令人激动的影片。 Little did I know what was about to happen. 我几乎不知道要发生什么事。,6. The criteria are so strict that it is difficult to get new ideas accepted unless they are truly novel. (Para8,Line4) 专利标准非常严格，除非新的想法真的是新颖的，否则很难被接受。 novel adj. “新的;新颖的;新奇的” n. novelty,so.that “如此.以致.”，that引导结果状语从句 1) She spoke so fast that few of us could follow her. 她讲话太快，我们很少有人能听得懂。 2) Owen wouldnt eat anything _ he cooked it himself. (四川高考) A. until B. since C. unless D. while,C,Homework 1. Finish the exercises on P24 about Discovering useful structures. 2. Preview the Grammar.,现在的科技日新月异，各种发明以及高科技产品成为了我们生活中不可缺少的东西，如电脑、笔记本电脑（laptop）、手机(mobile phone)、mp4、数码相机(digital camera)、数码摄影机(DV) 等。请以“My favorite invention”为题，描述你最喜欢的一种发明并说明理由（理由至少有两个方面）。词数在80词左右。 范文背诵 My favorite invention How time flies! Were in the 21st century. With the development of science and technology, our life has improved a lot. Many new inventions make our daily life easier and more convenient. Computers, laptops, mobile phones, mp4 and other interesting things have become necessary parts of our life. Among all these things, I like mobile phones best.