Unit 3 Inventors and inventions 导学案
New words：预习下列单词，并会默写 1.________vi. & vt.显示??的差别 2．________adj.宽大的；仁慈的 3________adj.突然的 4. ________adj.便制的；方便的；就近的 5.________n．小心谨慎 6. ________adj
.冰冻的；严寒的 7. ________adj.清白的；天真的 8. ________n 电流 adj.现在的． 9________adj.稳固的；稳定的 10.________n.预料；期待 11．_______adj.愉快的；高兴的 12. ．________vt.抓住；夺取 14．________n 鉴定；辨认； 15．________vt.忍受；负担 New phrases：预习下列短语并记熟 1. 迅速把手伸入；一心投入 2. 打通电话；通过； （设法）做完 3. 开始，着手（做某事） 4. 挂断电话 5. 意识到；知道 6. 次序颠倒；发生故障 7. 想出 8. 回复电话 9. 偶尔，有时 10. 给??打电话 Task 1 Do you know the stages every inventor must go through before they can have their invention approved? Look at the list and work out a suitable order. ____for a patent; ____Finding a problem ;____Doing research ; ____Testing the solution ;____Thinking of a creative solution; ____Deciding on the invention Task 2 What’s the main idea of the text? The text narrates the p______ of the snakes and presents the p_________ of catching them and applying for a p______. Task3 Multiple choices 1.The biggest advantage of the writer's new idea is that: A. it makes the snakes move slowly B. it makes the snakes hardly bite us C. it is easier for us to kill the snakes without hurting ourselves D. it is easier for us to catch the snakes without killing them 2. What instruments were used for catching the snakes? A. a bowl, ice-cubes, male perfume B. a bowl, a bucket, female perfume C. a small net, ice-cubes, a bucket D. a small net, a bucket, powders 3. Which statement is true according to the text? A. The snakes were so sleepy in the second attempt that they couldn't bite the writer at all. B. Your product must be different from everybody else's if you want to receive a patent. C. The writer decided to send her invention to the patent office the moment she succeeded in catching the snakes. D. If an application for your product proves to be valid, you can get a patent immediately. 4. According to the text, which subject do you think can be given a patent? A. A new star discovered by a scientist. B. A new novel written by Huo Da.
C. A new way to make dirty water clean. D. A new kind of grass found in a mountain which can be used as a medicine. 5.The purpose in writing this text is A. to show us how to trap the snakes but not to kill them B. to tell people how to apply for a patent of the writer's new idea C. to introduce the writer's new idea of trapping the snakes and her application for a patent D. to tell the readers how to get a new idea and make it a patent Task 4 Reading Comprehension T or F 1. In this passage, the writer wants to encourage the readers to consider carefully the problems in daily life. 2. The writer was successful in catching the snakes in the second attempt. 3. An inventor can easily get the patent for the invention. 4. The writer collected the passive snakes at his third attempt. 5. If you have a scientific theory or mathematical model, you can get a patent(专利). 6. If your inventions pass the test, your application for a patent will be published 17 months from the date you apply. Task 5 典型句式运用 1.The next morning I got up early before the sun was hot 第二天早上，天还不是很热，我就早早地起床了。 此句中 before 为 ，译为 “ ” ，但在不同的语境中 before 的 意思各异， 可译为“??才??；趁??；没 过多久就??；宁愿??也不；还没来得及??就??” 。 2.Only after you have had that recognition can you say that you are truly an inventor. 只有在你获得了那种认证后，你才能说自己是一个真正的发明家。 该句为复合句，含有 that 引导的 ； 修饰句子的时间状语，主句用了 语序。 （1） 当 only 所修饰的副词、介词短语或状语从句放在句首用于加强语气时，句子要用部分 倒装，即助动词、系动词或情态动词提到主语之前。 （2）如果置于句首的由 only 引导的词语不是状语，就不用倒装。 （3）如果 only 引导从句作状语，注意是其后的主句用倒装，从句不用倒装 3.The criteria are so strict that it is difficult to get new ideas accepted unless they are truly novel.（评定）专利标准是很严格的，除非新的想法真是新颖的，否则很难被接受。 （1） “so...that...”可引导 。其中的 so 后跟形容词或副词。如果修饰名词短语，要用 “ ”的形式。此句型中的 so 用于句首时，so 后面的部分要用倒装语序， 但 that 后的从句 。 （2）novel 在此是形容词，意思是“ ” ，其名词形式是 。 4. I’m sorry, but this phone is out of order. 对不起，这个电话坏了。 out of order 意为“ ” ，与之相反的短语是 ，意思是“处于正常状 况，情况良好” 。
Task 1. Pre-Reading Ask Ss to talk about the following questions. (1) What is Alexander Graham Bell?
(2) Can you guess which invention he invented? (3) According to the title, what might be talked about in this passage? Task 2. Fast reading Ask Ss to read the text in two minutes, discuss the questions, and then answer them in pairs. (1) What did he think was the key to his success as an inventor? (2) How did curiosity make Alexander Graham Bell into a great inventor? (3) What inventions did Bell make by chance? (4) Why will he always be known as the inventor of the telephone? Task 3. Intensive reading Ask Ss to read the passage carefully and choose the best answer to complete each sentence. (1) Alexander Graham Bell became interested in helping deaf people communicate and in deaf education because _________. A. he .wanted to invent the. telephone B. he wanted to invent the microphone C. he loved his mother very much D. he loved the deaf people (2) What does the writer mean by saying “ Leave the beaten track occasionally and dive into the woods A. Never walk on the smooth road but go along the path B. Leave the beaten track for a while and walk into the woods C. Try to do something in the unusually way sometimes. D. Sometimes do something in the same way as people often think of. (3) Which statement is true? A. Alexander Graham Bell set out to invent the telephone after inventing a multiple telegraph. B. Alexander Graham Bell set out to invent the telephone before inventing a multiple telegraph C When Alexander Graham Bell wanted to design a multiple telegraph, he changed his mind to invent the telephone . D. In search to improve the telegraph, Bell invented the first telephone. D. he could study and get a degree (4) As leader of South Africa, Nelson Mandela helped prisoners of Robben Island by ________ A. giving them an education B. giving them money C. putting the guards in prison D. giving them a job Task 4 Knowledge points （I）重点单词 _____________ vt. 忍受；忍耐 _____________ n. 堵塞；阻塞 _____________ n. 脏乱的状态 _____________ n. 重要性 _____________ vt. 轻打；轻拍 _____________ n. 金属线；电线 _____________ adj. 稳固的；稳定的 _____________ adj.实际的；实用的 _____________ n. 法庭；法院 _____________ n. 版本；译本 (II) 重点短语 1.__________ truth 的确；事实上 2. set ____ to do sth. 开始做某事 3. dive ______ 迅速把手伸入，一心投入 4. out ______ order 出故障；次序颠倒 5. get ______ 完成；通过；打通电话 6. hang ______ 不挂断；稍等 7. ring _____ 回复电话 8. ________ a time 每次
(III) 重点句型 1. Every time you do you will be certain to find something that you have never seen before. 每次当你这样做的时候，你一定会发现你从未见过的东西。 本句是一个主从复合句，其中 every time 在此句中引导时间状语从句；that 引导定语从句修 饰 something。 Every time I pass the school, I think of my first English teacher. 每当我经过学校，我就想起我的第一个英语老师。 each time, the first time, next time, immediately, the moment, the minute, instantly, directly 等 均可用作从属连词，引导时间状语从句。 The first time I saw you, I realized that you were the man for me. 我第一次见到你时，我就意识到你就是我要找的人。 2. But he found the problem difficult to save.＝But he found it difficult to save the problem. 但是他 发现这个问题很难解决。 find＋n.(宾语)＋adj.(宾补)＋to do(to do 作状语修饰 adj.)是 find＋it＋adj.(宾补)＋to do sth.(it 是形式宾语，to do sth.是真正的宾语)的变式 易错提示： “to do”形式中当“do”为不及物动词时，应在后面加上适当的介词。并且动词不 定式使用一般式。 The man found the river dangerous to swim in.＝The man found it dangerous to swim in the river. 这个人发现在这条河里游泳很危险。 find 后的宾语可以是名词或代词，而补语则可由许多成分充当： (1)find＋宾语＋形容词/副词/介词短语。如： I seldom found him out. 我很少发现他外出。 (2)find＋宾语＋现在分词。如： They found the lost boy hiding in the cave. 他们发现那个失踪的男孩藏在洞里。 (3)find＋宾语＋过去分词。如： We found the place outside greatly changed. 我们发现外面全变了。 (4)find＋宾语＋名词。如： I find him an easy man to work with. 我觉得他是个容易共事的人。 3. The patent was given in 1876，but it was not until five days later that Bell sent his first telephone message to his assistant Watson.授予专利是 1876 年，但五天之后贝尔才向他的助手华生发了第一 个电话信息。 It is/was not until...that...为 not...until...句型的强调结构。强调了 until 引导的时间状语从句， 注意 not 和 until 在强调句中总是在一起， that 后面从句用肯定形式，此句可还原为：Bell didn't send his first telephone message to his assistant Watson until five days later. It was not until rain stopped that I went home. 直到雨停了我才回家。