刘慧敏Unit3Inventorsandinventions

1、Unit 3 Inventors and inventionsThe Problem of the Snakes尼一中尼一中 刘慧敏刘慧敏1.The difference between a discovery and an invention.2.Know the stages every inventor must go through before they can have their invention approved. Is it a discovery or an invention?An amphibious carAn interesting modern inventio

2、nAlexander Graham Bell, (1847-1922), Canada, Scotland, and USA telephone inventionA great invention伽利略的望远镜伽利略的望远镜牛顿制造的反射望远镜牛顿制造的反射望远镜X射线广泛用于医学领域射线广泛用于医学领域inventionDNAA discoveryThomas Edison invented the electric bulb.(1)A discovery is_. already existing in nature but not yet knownfinding out someth

3、ingby human beings (2) An invention is _ _.something that is created courtyard walnut distinguish merciful product powder perfume stainlessn. 院子；庭院；天井院子；庭院；天井n. 胡桃；胡桃木胡桃；胡桃木vi. & vt. 显示显示差别；差别；使使有所不同；辨别有所不同；辨别adj. 宽大的；仁慈的宽大的；仁慈的n. 产品产品n. 粉末；火药粉末；火药n. 香水；香味香水；香味adj. 无锈的；没有污点的无锈的；没有污点的Words previe

4、w courtyard walnut distinguish merciful product powder perfume stainlessn. 院子；庭院；天井院子；庭院；天井n. 胡桃；胡桃木胡桃；胡桃木vi. & vt. 显示显示差别；差别；使使有所不同；辨别有所不同；辨别adj. 宽大的；仁慈的宽大的；仁慈的n. 产品产品n. 粉末；火药粉末；火药n. 香水；香味香水；香味adj. 无锈的；没有污点的无锈的；没有污点的Words preview cube cubic abrupt abruptly convenient caution expectation passive

5、 n. 立方体；立方立方体；立方adj. 立方的立方的adj. 突然的；意外的突然的；意外的adv. 突然地；唐突地突然地；唐突地adj. 便利的；方便的便利的；方便的n. 小心；谨慎小心；谨慎n. 预料；期待；期望预料；期待；期望adj. 被动的；消极的；被动的；消极的； 被动语态的被动语态的Words preview merrymerrilyseize criterion valid file adj. 愉快的；高兴的愉快的；高兴的adv.高兴地；愉快地高兴地；愉快地vt. 抓住；捉住；夺抓住；捉住；夺n. 标准；尺度标准；尺度adj. 有效的；确凿的有效的；确凿的n. 文件；档案；文件夹

6、文件；档案；文件夹vt. 提交；把提交；把归档归档Words preview call up now and then set about 给给打电话打电话偶尔；有时偶尔；有时开始；着手开始；着手Expressions previewThe text narrates the p_ of the snakes and presents the p_ of catching them and applying for a p_.roblemroceduresatentWhats the main idea of the text? Read paragraph one and answer th

7、e two questions.1) What was the mother upset about?2) Why was the writer happy to help her mother?Answers:1) 2) The mother was upset because a family of snakes had made their home near the house.The writer was happy because it gave her an opportunity to help her mother and invent something to catch

8、the snakes without hurting them at the same time.Read paragraph 2 and 3 and do the following exercise1. How did the writer catch the snakes?A. Using something to attract the snakes into a trap.B. Taking their habitat to another place.C. Cooling the snakes so that they became sleepy.D. All the above.

9、2. What instruments were used for catching the snakes? A. A bowl, ice-cubes, male perfumeB. A bowl, a bucket, female perfumeC. A small net, ice-cubes, a bucketD. A small net, a bucket, powdersRead paragraph 4-6 and do the true or false1. The writer did the first attempt in the evening.2.The writer w

10、as successful in catching the snakes in the second attempt.3. The writer collected the passive snakes at his third attempt.Divide the text into four parts and work out the main idea for each part.Part I Part IIPart IIIPart IV(Para.1)The _ of the problem of the snakes.(Paras. 2-3)The research on the

11、_ to solve the problem.(Paras. 4-6)The_ to catch the snakes.(Paras. 7-8)The _of getting a patent.discoveryapproaches attempts requirementAccording 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 ma

12、ke dirty water clean.D. A new kind of grass found in a mountain which can be used as a medicine. Multiple choices1.The biggest advantage of the writers new idea is that:A. it makes the snakes move slowlyB. it makes the snakes hardly bite usC. it is easier for us to kill the snakes without hurting ou

13、rselvesD. it is easier for us to catch the snakes without killing them2. What instruments were used for catching the snakes?A. a bowl, ice-cubes, male perfumeB. a bowl, a bucket, female perfumeC. a small net, ice-cubes, a bucketD. a small net, a bucket, powders What should we learn from this text?We

14、 can learn from the text the way of doing scientific and how to apply for a . We can also learn that it takes an inventor great or persistence to achieve his or her goal in life.researches patentdetermination Read paragraph 7-8 and guess whether it can get patent or notIssac NewtondiscoveredThomas E

15、disoninventedMadame CuriediscoveredZhang Henginvented My last attempt proved to be successful. The snakes were caught and the next day they were all r_ back into the wild. Encouraged by my successful idea, I decided to fill in the form to get a _(专利）专利）with my invention.patenteleasedWhat good qualit

16、ies should an inventor have?creative curious patient imaginative hard-working adventurous challengeable ThinkingWhy are they famous?Issac NewtongravitydiscoveredThe problem of the snakes in our yard u_ us all the time. My mother wanted me to get r_ of the snakes. I thought of three possible a_ to ca

17、tch them. Firstly, removing their h_; secondly, attracting them into a _（陷（陷阱阱); and thirdly cooling them so that they would become s_ and could be easily caught. But all these _ (努力）努力）failed. So I had to a_ my plan. psetidpproachesabitattrapleepyattempts/ effortsdjustBen FranklinLightning is electricitydiscoveredWhy are they famous? Thomas Edison invented the electric bulb.radiumMadame CuriediscoveredWhy are they famou