選修uTheproblemofthesnakes公開課PPT學(xué)習(xí)教案

1、會(huì)計(jì)學(xué)1第1頁/共35頁Guess what the invention is or who the inventor is. Step 1. Warming up第2頁/共35頁 This invention can help people in the street. It looks like a tree standing beside the street. It directs cars and trucks. It uses colored lights. Red means stopping, green means going. Traffic lights30102040W

2、hat is it?第3頁/共35頁30102040What is it?Airplane 第4頁/共35頁 It is a tool of communication; It is convenient to take along with you; You can hear a persons voice when using it. You can call up sb now and then;mobile phoneI第5頁/共35頁Who is he?40203050Alfred Nobellfrid nubel 一位偉大的科學(xué)家：他不一位偉大的科學(xué)家：他不僅把畢生精力貢獻(xiàn)給了科學(xué)

3、事業(yè)，而且把自己的遺產(chǎn)全部僅把畢生精力貢獻(xiàn)給了科學(xué)事業(yè)，而且把自己的遺產(chǎn)全部捐獻(xiàn)給科學(xué)事業(yè)，已經(jīng)成為舉世矚目的最高科學(xué)大獎(jiǎng)。捐獻(xiàn)給科學(xué)事業(yè)，已經(jīng)成為舉世矚目的最高科學(xué)大獎(jiǎng)。第6頁/共35頁402030Who is he?Edison 第7頁/共35頁 Issac Newton gravity第8頁/共35頁 Madame Curiemd:m kjuri第9頁/共35頁He invented seismograph to detect earthquakes.Zhang Hengsaizmgr:f seismograph地震儀地震儀第10頁/共35頁Gunpowder火藥火藥 I第11頁/共35

4、頁perfumeI第12頁/共35頁 an invention carAn amphibious car第13頁/共35頁StephensonStephensons s “RocketRocket”Its _ an invention.第14頁/共35頁DNAIts _ a discovery.第15頁/共35頁A discovery is_.第16頁/共35頁Discoveries often lead to inventions.第17頁/共35頁BCEDAF第18頁/共35頁ReadingThe Problem Of The Snakes第19頁/共35頁第20頁/共35頁1.What

5、kind of writing style is the passage ? _. A. narrative(記敘文) B. argumentative(議論文) C. explanatory(說明文) D. imaginary(想象的)Step 4. Fast reading. 第21頁/共35頁2.Skim the whole passage and get the main idea:ReadingSummary :The text narrates the p_ of the snakes and presents the p_ of catching them and applyin

6、g for a p_.roblemroceduresatent第22頁/共35頁3.Match each part with its main ideaPart 1 (Para1) A. The attempts to catch snakes.Part 2(Para2-3) B. The requirement of getting a patent.Part3(Para4-6) C. The discovery of the problem of the snakes.Part 4(Para7-8) D. The research on the approaches to solve th

7、e problem. E. The importance of inventing.第23頁/共35頁 Step 5. Intensive reading(1) When the writer called up her mother in the country on the phone she was very excited.(2) The writer felt very proud that she had a chance to distinguish herself by inventing something that would catch snakes but not ha

8、rm them.(3) The first thing the writer tried to do was to catch the snakes.(4) The writer decided to remove the snakes habitat.FFTFupsetsee if there were any products that help me. I decided to use the last one. 第24頁/共35頁(5) The writer used an ice-maker、a bowl、some jelly、ice-cubes、a bucket and a net

9、 to catch the snakes. (6) After three attempts, the writer finally caught the snakes and sent them into the wild. (7) The writer himself decided to send her invention to the patent office to get recognition for her successful idea.(8) The criteria are so strict that it is difficult for new ideas to

10、be accepted unless they are truly novel and are really different from everybody elses.TTTFPressed by my friends and relations,第25頁/共35頁2. Ask Ss to take the quiz below and see whether Ss can grasp the details of the text.(1) Why did the writer do so much trap the snakes but not hurt them _?A. Becaus

11、e she wanted to eat the snakes.B. Because she planned to apply for a patent.C. Because she obeyed her parents and wanted to test her new idea.D. Because they were poisonous snakes.(2) The writer set about researching the habits of snakes in order to_A. know how to drive them off. B. kill them in the

12、 easiest way.C. trap them in the easiest way. D. get on well with snakes.第26頁/共35頁(3) The writer placed a frozen bowl over the snakes habitats because_. A. The snakes were small. B. She knew the snakes were cold-blooded animals. C. She didnt want to be bitten. D. She wanted to make the snakes passiv

13、e and caught them easily. (4) Which statement is true according to the text_? A. The writer decided to send her invention to the patent office the moment she succeeded catching the snakes. B. The snakes were still as active as before in the first attempt. C. The writer could make a lot of money if s

14、he succeed. D. If an application for your product proves to be valid, you can get a patent immediately. .第27頁/共35頁(5) According to the text, which subject do you think can be given a patent_? A. A new kind of flower found by a botanist. B. A new way to make dirty air clean C. A new poem written by M

15、r. Li. D.A .new star discovered by a scientist.第28頁/共35頁P(yáng)repared with some research findings, I decided1 _ three possible approaches: firstly, removing 2 _habitat; secondly, 3 _(attract) them into a trap using male or female perfume or food; 解析：解析：1. 搭配搭配decide on 對(duì)對(duì)作出決定。作出決定。解析：解析：2. 指蛇的棲息地。指蛇的棲息地。

16、解析：解析：3. 同同removing, cooling形成并列關(guān)系形成并列關(guān)系。attractingtheiron3.Summary(語法填空）第29頁/共35頁and thirdly, cooling them so that they would become 4 _ (sleep) and could be easily caught. I decided to use 5 _ last one. I bought an ice-cream maker6 _was made of stainless steel. 解析：解析：4. sleepy作作become 的表語。的表語。解析：解

17、析：5. 特指最后一個(gè)方案。特指最后一個(gè)方案。解析：解析：6. 引導(dǎo)定語從句。引導(dǎo)定語從句。sleepythewhich/that第30頁/共35頁Between the outside and the inside 7 _ (wall) of the bowl there is some jelly, 8 8_ freezes when 9 _(cool). I put the bowl into the fridge and waited for 24 hours. 10 _ the same time I prepared some ice-cubes.解析：解析：7. 根據(jù)前面的并列關(guān)系可知用復(fù)數(shù)。根據(jù)前面的并列關(guān)系可知用復(fù)數(shù)。解析：解析：8. 引導(dǎo)非限制性定語從句。引導(dǎo)非限制性定語從句。解析：解析：9. 過去分詞做狀語過去分詞做狀語, 相當(dāng)于相當(dāng)于when it was cooled 的省略。的省略。解析：解析：10. 是固定搭配。是固定搭配。wallswhi