优秀备选课件库整套1u1整单元

1、Unit 1 Great scientistsUnit 1Great scientistsPeriod 1&2 Warming up and Reading IWarming upWhat impress you most in 2003?Which person impress you most during the SARS?What other infectious diseases do you know?For example: When you eat some seafoodYou feelMaybe you have got _.CholeraWarming upquestio

2、ns (2m)John Snow defeats “King cholera”ReadingSkimming: answer the following questions:What are the two theories John Snow got interested in?What did John Snow experience show?How to prevent the disease happening again?Reading-Iskimming (2m)1.The two theories are : The first suggested that cholera m

3、ultiplied in the air without reason. The second suggested that people absorbed this disease into their bodies with their meals.3.To prevent this from happening again, John Snow suggested that the source of all water supplies be examined and new methods of dealing with polluted water be found.2.John

4、Snow had shown that cholera was spread by germs and not in a cloud of gas. Keys:Scientific Report by John SnowThe problemThe causeIdea 1:Idea 2:people absorbed the disease_.The method The resultsIdea 1 or 2?why?The conclusion the cause of the serious disease of cholera. _ that attacked victims_from

5、the next cholera attack to test theories. Try to prove which method was correct.He found the cause of cholera was_.Idea 2. Because the data showed a connection with the water.John Snow was able to _ once its cause was know.No body knew_Strange cloud in the airwith their mealsCollect datathe polluted

6、 waterdefeat choleraReading-IIscanning (3m)Detailed reading Read the passage again, and then find out the difficult or key sentences with the partner.Reading-IIIdetailed reading (2m)1. But he became inspired when he thought about helping ordinary people exposed to cholera. In the case of an infectio

7、us disease it means not taking care to stop its spread.2.He got interested in the two theories explaining how cholera killed people.This means that he began to find out about both theories.3. It seemed the water was to blame.The sentence means Probably it was the water that caused the illness.Discus

8、sion: Discuss the following questions in groups of four.1.2.3.Cholera was a 19th century disease. What disease do you think is similar to cholera today?John Snow believed Idea 2 was right. How did he finally prove it?Do you think John Snow would have solved this problem with- out the map? Give a rea

9、son.Discussion (4m) Two diseases, which are similar today, are SARS and AIDS because they are both very serious, have an unknown cause and public health care to solve them. John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and w

10、as able to tie cases outside the area to the polluted water.Keys1.2. No. The map helped John Snow organise his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no deaths and surveyed their drinking

11、 habits. The evidence clearly pointed to the polluted water being the cause.3.Lets have a competition!Extension(延伸)1.Which scientist discovered that objects in water are lifted up by a force that helps them float?B. Archimedes阿基米德C. Thomas Edison 爱迪生A. Charles Darwin 达尔文2. Who wrote a book explainin

12、g how animals and plants developed as the environment changed?Marie Curie居里C. Charles Darwin达尔文B. Gregor Mendel 门道尔3.Who invent the first steam engine?Thomas en纽兴门C. Thomas EdisonB. Archimedes4. Who used peas to show how physical characteristics are passed from parents to their children.A. Thomas Ed

13、isonC. ArchimedesB. Gregor Mendel5. Who discovered radium?A. Marie CurieC. NewtonB. Zhang Heng6.Who invented the way of giving electricity to everybody in large cities?A. Stephen Hawking C. Thomas EdisonB. Archimedes7.Who was the painter that studied dead bodies to improve his painting of people?A.

14、Gregor MendelC. Marie CurieB. Leonardo da Vinci 达芬奇 8. Who invented a lamp to keep miners safe underground?A. Sir Humphry Davy C. FaradayB. Thomas en9. Who invented the earliest instrument to tell people where earthquakes happened?A. Charles DarwinC. Watt B. Zhang Heng10.Who put forward a theory abo

15、ut black holes?A. Stephen HawkingC. CopernicusB. ArchimedesLanguage points for reading IUnit 1Great scientistsPeriod 3 Learning aboutlanguageRead the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In

16、1854 when a cholera _ out, he began to gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new me

17、thods of _ with polluted water be found. Finally, “King Cholera” was defeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing (in 5 minutes) Answer keys for Exercises 2:make a telephone callmake a decisionmake a planmake a speechmake a contributionmake a noisemake a changemake a descriptio

18、nTranslate the following phrases, and try to find out what the items relate to.一片碎玻璃开水一枚用过的邮票 一箱埋起来的硬币穿破的鞋子 一台损坏了的计算机结论：以上的短语都带有过去分词，这些过去分词都是充当定语，而且我们都可以用过去分词作表语的形式来改写以上短语。a broken piece of glassboiled watera used stampa buried box of coinsa damaged computerwornout shoes Complete the table with phra

19、ses that have the same meaning.Past Participle Past Participle as the Attribute as the predicative terrified people 1.reserved seats 2.polluted water 3.a crowded room 4.a pleased winner 5.people who are terrifiedseats which are reservedwater that is polluteda room that is crowdeda winner who is plea

20、sedPast Participle Past Participleas the Predicative as the Attribute1. children who 1. look astonished 2. a vase that is broken 2.3. a door that is closed 3.4. the audience who feel tired 4.5. an animal that is trapped 5.astonished children a broken vasea closed doorthe tired audiencea trapped anim

21、al Students try to find some rules about the Past Participle as the Attribute and Predicative.Discovery (2m)Grammar一、过去分词作定语1、单个的过去分词作定语时一般兼有被动和完成的意义，常作前置定语。 eg：a lost animal 一只迷路的动物 a used stamp 一枚用过的邮票 an injured finger 一个受伤的手指 a broken coin 一枚破损的硬币 a lighted candle 一支点燃的蜡烛 注意：过去分词作定语时，有时只有被动意义。 e

22、.g.：spoken English 英语口语 written exercises 书面练习少数表示位移或状态改变的不及物动词的过去分词只有完成的意义fallen leaves 落叶 the risen sun 升起来的太阳the advanced countries 发达国家 drunken man 一个醉鬼a returned student 一名留学生 a retired teacher 一名退休教师an escaped prisoner 一名逃跑的囚犯 by-gone days 过去的岁月2、过去分词作后置定语，表示被动和或完成意义。 e.g.：How I regretted the

23、hours wasted in the woods!我多懊悔在树林浪费的时光啊I like wearing clothes made of this kind of cloth我喜欢穿这种布料做的衣服。e.g.：The books written by Lu Xun are popular鲁迅写的书很受欢迎We11 go to visit the bridge built hundreds of years ago 我们要去看那座建于几百年前的桥。Practice: Change the following Past Participle into clauses.1） He told us

24、of the great wrong done to him.= He told us of the great wrong _ to him. which had been done注：本句中的过去分词作定语，既表被动又表完成。2） The United States is a developed country. = The United Stated is a country _ .which has developed注：本句中的过去分词作定语，只表示完成。3） Have you noticed the bridge being built there?= Have you notic

25、ed the bridge _ there?which is being built注：本句中的过去分词作定语，表示被动的动作正在进行。二、过去分词作表语1、过去分词作表语，表示主语的特点或所处的状态，其前的系动词有包括be在内的多种形式。 e.g.：Everyone present is very inspired at his speech 听了他的发言，在场的所有人都很振奋。 You seem frightened. 你似乎受了惊吓。2、过去分词作表语，构成的系表结构与被动语态的区别： 过去分词作表语，强调主语的特点或所处的状态；而被动语态中，主语是动词所表示动作的承受者。 e.g.：T

26、his shop is now closed 这家商店现在已经关门了。(状态) This shop is closed at 6 pm everyday 这家商店每天6点关门。(动作） Practice: Complete the sentences using the past participle as the predicative.1. 丢了钱他自责不已。He _ about losing the money.2、你为什么总是看上很疲劳？这些日子睡得好吗？ Why do you always _ ? Do you sleep well these days?3.我对昨晚看的电影很失望。

27、我原以为它能好些。 I _ the film I saw last night, I had expected it to be better.got blamedlook so tiredwas disappointed with4.听说那位明星死了，人人都很惊讶。 Everybody _to hear the death of the famous film star5.要去动物园了，孩子们非常兴奋。 The children _ going to the zoo6.他的伤口感染了一种新病毒. His wound _ a new viruswas shockedare really exc

28、ited aboutbecame infected withLinda worked for the Minnesota Manufacturing and Mining Company, _ as 3M. A. knowing B. known C. being known D. to be known高考链接B解析：答案B。此处考查过去分词作后置定语，3M与know之间是被动关系，故用过去分词表示被动。2. The disc, digitally _ in the studio, sounded fantastic at the party that night. A. recorded

29、B. recording C. to be recorded D. having recorded高考链接A解析：答案A。此处考查过去分词作后置定语，disc与record之间是被动关系，故用过去分词表示。3. Dont use words, expressions, or phrases _ only to people with specific knowledge. A. being known B. having been known C. to be known D. known高考链接D解析：答案D。know与words，expressions，phrases构成动宾关系，故用过去

30、分词表示被动。4. The flowers _ sweet in the botanic garden attract the visitors to the beauty of nature. A. to smell B. smelling C. smelt D. to be smelt高考链接B解析：答案B。此处为现在分词作定语，修饰flowers。smell为系动词，不能用于被动语态，相当于which/that smells sweet。Unit 1Great scientistsPeriod 4 Reading IIThe topic of the video is about _.D

31、o you know any famous person in this field?space and universeStephen hawkingPtolemyCopernicusZhang HengHubbleGalileo Skim the text and draw the two theories of the universe with the following pictures.SunearthBefore Copernicus theory Showing Copernicus theoryReading-Iskimming (2m)SunearthBefore Cope

32、rnicus theory Showing Copernicus theorySunearthearthSun Skim the text and draw the two theories of the universe with the following pictures.Reading-Iskimming (2m)Read the text and answer the following question.What conclusion did Copernicus mathematical calculations lead to?Why couldnt he tell anyon

33、e about the theory?How many years did Copernicus work on the problem to complete his theory?When did Copernicus publish his theory?Do you think its right for Copernicus to publish his theory that late?Reading-IIdetailed reading (2m) His mathematical calculations led to the conclusion: that the earth

34、 was not the center of the solar system.What conclusion did Copernicus mathematical calculations lead to? Because the powerful Christian Church would have punished him for even suggesting such an idea.2. Why couldnt he tell anyone about the theory? 4 years.3. How many years did Copernicus work on th

35、e problem to complete his theory? He published his theory as he lay dying in 1543.4. When did Copernicus publish his theory? Students give their own answers.5. Do you think its right for Copernicus to publish his theory that late? Try your best to go over the whole points of each picture without lif

36、ting your pencil from the paper or going over any line twice.AADDBBCCPre-readinggame (2m)Language points for reading II1.John Snow was a well-known doctor in Londonso famous, indeed that he attended Queen Victoria to ease the birth of her babies.约翰.斯诺曾经是一位著名的医生他的确太富盛名了,以至于维多利亚女王生孩子时都是他去照料,帮助她顺利分娩.at

37、tend v.(1)to take care; give attention 注意,留意. 如:Well attend to the solution of that problem later.Language points for reading I(2)to take good care of (a sick person, for example)照看,照料.如:医生照看病人.The doctor attended the patients.(3)to be present at 出席,到场. 如:attend school 上学attend a lecture 听讲座attend c

38、hurch 去教堂attend (at) a wedding 出席婚礼2.But he became inspired when he thought about helping ordinary people exposed to cholera.exposed to cholera 在句子中是过去分词用作后置定语,表示被动.意为 “患霍乱的”.如:The book written by LuXun is very popular. 鲁迅写的书是很受欢迎的.昨天我们看见的那个人是史密斯先生.The man seen by us yesterday is Professor Smith.发散思

39、维：exposed adj. 暴露的，暴露于风雨中的，无掩蔽的exposedness n. 暴露，显露开放思维: expose to 使易受，使受 expose sth to the light of day 把某事暴露于光天化日之下 expose a fraud 揭穿骗局3.So many thousands of terrified people died every time there was an outbreak.every time 在这里是连词，引导时间状语从句，意为“每次，每当”e.g. Every time I meet him, I always think of the

40、 things happened between us.每次见到他，我就想起发生在我们之间的事情。注意: immediately, the moment, directly, instantly 等与 every time一样，都可以用作连词引导时间状语从句，意为 “一.就”。如：I will give the letter to him immediately I see him.我一见到他就把这封信给他。I came directly I got your letter.我一接到你的信就来了。4.The second suggested that people absorbed this

41、disease into their bodies with their meals .o 吸收 如：e.g. The big company has gradually absorbed these small companies into its own organization. 这家大公司逐渐将这些小的公司吞并了。absorb v. (1)吸收（液体）；承受；承担. 如:(2)to occupy the full attention, interest, or time of ; engross 吸引；使专心；使全神贯注 如:我们不能承担这些费用。作家全神贯注的进行

42、写作，忘了弹去雪茄烟的烟灰.The writer was so absorbed in his writing that he forgot to flick the ashes from his cigar.Well not absorb these charges.他发现在两条街道上霍乱流行的特别厉害，在十天之内就死去了五百多人。5.He found that in two particular streets, the cholera outbreak was so severe that more than 500 people had died in 10 days.severe v

43、. (1)unsparing or harsh, as in treatment of others; strict 严厉的；苛刻的；严格的. 如:The severe trainer has gone abroad. You can breathe freely again.(2)causing sharp fort or distress; extremely violent or intense; very serious. 剧痛的，剧烈的，严重的，难熬的 如:a severe attack of toothache.要求苛严的教官已经出国.你可以完全放心。 牙痛的剧烈发作。这张地图提供

44、了一条说明霍乱起因的很有价值的线索。6. The map gave a valuable clue about the cause of the disease.valuable(1)adj. worth of a lot of money 值钱的，贵重的 如：The watch is valuable. 这表很值钱。a valuable diamond. 贵重的钻石。(2) adj. having great usefulness or value 如:valuable information(3)n. (常用复数形式)sth that worth a lot of money. 如:Cat

45、hy kept her valuables in a safe.重大的消息凯西把她的贵重物品藏在保险箱里.7. It seemed the water was to blame.看来霍乱的流行要归罪于饮水了。be+动词不定式，可以表示该做或不该做的事情，相当于must, should, ought to 等。 如：No one is to leave this building without the permission of the police.没有警察的允许谁也不准离开这栋楼。You are not to drop litter in the park.公园里不允许乱丢纸屑。8.Nex

46、t,John Snow looked into the source of the water for these two streets.其次，约翰.斯诺调查了这两条街的水源。look into 看.里面；to investigate 检查；了解。 如：Well look into this matter together.我们将一起调查这个问题。开放思维：look on 观看，面向，旁观，看待look out 面朝，留神，照料look over 从上面看，察看，检查look around 环顾，观光，察看look through 看穿，审核，浏览，温习look up and down 仔细

47、打量，到处寻找look after 寻求，照顾，关心9.In another part of London, he found supporting evidence from two other deaths that were linked to the Broad Street outbreak.在伦敦的另一个地方，他发现有两个死亡的病例与宽街爆发的霍乱有关联。in addition adv. as well as 另外 如：In addition, the course also produces practical experience.此外这门功课还提供了实践的基础。linkto. 把与连接；联系 如：Fingerprints lin