1、Unit 1 Great scientists,Unit 1,Great scientists,Period 1&2 Warming up and Reading I,Warming up,What 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 seafood,You feel,Maybe you have got _.,Cholera,Warmi
2、ng up-questions (2m),John Snow defeats “King cholera”,Reading,Skimming: 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-I-skimming (2m),1.The two theories are : The first sugg
3、ested that cholera multiplied 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 w
4、ater be found.,2.John Snow had shown that cholera was spread by germs and not in a cloud of gas.,Keys:,the cause of the serious disease of cholera.,_ that attacked victims,_from the next cholera attack to test theories. Try to prove which method was correct.,He found the cause of cholera was_.,Idea
5、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 air,with their meals,Collect data,the polluted water,defeat cholera,Reading-II-scanning (3m),Detailed reading,Read the passage again, and then find out the diff
6、icult or key sentences with the partner.,Reading-III-detailed reading (2m),1. But he became inspired when he thought about helping ordinary people exposed to cholera.,In the case of an infectious disease it means not taking care to stop its spread.,2.He got interested in the two theories explaining
7、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.,Discussion: Discuss the following questions in groups of four.,1.,2.,3.,Cholera was a 19th century disease.
8、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 reason.,Discussion (4m),Two diseases, which are similar today, are SARS and AIDS because they are b
9、oth 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 was able to tie cases outside the area to the polluted water.,Keys,1.,2.,No. The map helped John
10、 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 habits. The evidence clearly pointed to the polluted water being the cause.,3.,Lets have a
11、competition!,Extension,1.Which scientist discovered that objects in water are lifted up by a force that helps them float?,B. Archimedes,C. Thomas Edison,A. Charles Darwin,2. Who wrote a book explaining how animals and plants developed as the environment changed?,A. Marie Curie,C. Charles Darwin,B. G
12、regor Mendel,3.Who invent the first steam engine?,A. Thomas Newcomen,C. Thomas Edison,B. Archimedes,4. Who used peas to show how physical characteristics are passed from parents to their children.,A. Thomas Edison,C. Archimedes,B. Gregor Mendel,5. Who discovered radium?,A. Marie Curie,C. Newton,B. Z
13、hang Heng,6.Who invented the way of giving electricity to everybody in large cities?,A. Stephen Hawking,C. Thomas Edison,B. Archimedes,7.Who was the painter that studied dead bodies to improve his painting of people?,A. Gregor Mendel,C. Marie Curie,B. Leonardo da Vinci,8. Who invented a lamp to keep
14、 miners safe underground?,A. Sir Humphry Davy,C. Faraday,B. Thomas Newcomen,9. Who invented the earliest instrument to tell people where earthquakes happened?,A. Charles Darwin,C. Watt,B. Zhang Heng,10.Who put forward a theory about black holes?,A. Stephen Hawking,C. Copernicus,B. Archimedes,Speakin
15、g activity,Discuss in groups of four, which field do you want to contribute yourself to in the future? One takes down the groupmates opinions, after that ,report the groupmates opinions to the whole class.,Speaking (3m),Language points for reading I,Homework,Surf the Internet to find the information
16、 about one great scientist. You are expected to present it to your peer in the next class.,Take a break!,Unit 1,Great scientists,Period 3 Learning aboutlanguage,Discovering useful words and expressions: Answer keys for Exercise 1:,examined,put forward,exposed,cure,immediately,look into,announced,ins
17、truct,valuable,Answer keys for Exercises 2:,make a telephone call,make a decision,make a plan,make a speech,make a contribution,make a noise,make a change,make a description,Translate 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
18、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 glass,boiled water,a used stamp,a buried box of coins,a damaged computer,wornout shoes,Complete the table with phrases that have the same meaning.,Past Participle Past Participle as the Attribute as the predicative terrified people 1.
19、reserved seats 2.polluted water 3.a crowded room 4.a pleased winner 5.,people who are terrified,seats which are reserved,water that is polluted,a room that is crowded,a winner who is pleased,Past Participle Past Participleas the Predicative as the Attribute1. children who 1. look astonished 2. a vas
20、e 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 vase,a closed door,the tired audience,a trapped animal,Students try to find some rules about the Past Participle as the Attribute and Predicative.,Discovery (2m
21、),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.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 su
22、n 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 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.
23、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 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
24、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 noticed 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
25、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.：This 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）,
26、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。我原以为它能好些。 I _ the film I saw last night, I had expected it to be better.,got blamed,look so
27、tired,was disappointed with,4.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 virus,was shocked,are really excited about,became infected with,Linda worked for the Minnesota Manufacturing and Minin
28、g 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 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，di
29、sc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，故用过去分词表示被动。,4. The flowers _ sweet in the botanic garden attract the visitors
30、 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。,Homework,Summarize the use of the past participle as the attribute and predictive.,Take a break!,Unit 1,Great scientists,Period 4 Reading II,The
31、 topic of the video is about _.Do you know any famous person in this field?,space and universe,Stephen hawking,Ptolemy,Copernicus,Zhang Heng,Hubble,Galileo,Skim the text and draw the two theories of the universe with the following pictures.,Sun,earth,Before Copernicus theory Showing Copernicus theor
32、y,Reading-I-skimming (2m),Sun,earth,Before Copernicus theory Showing Copernicus theory,Sun,earth,earth,Sun,Skim the text and draw the two theories of the universe with the following pictures.,Reading-I-skimming (2m),Read the text and answer the following question.What conclusion did Copernicus mathe
33、matical calculations lead to?Why couldnt he tell anyone 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-II-detailed reading (2m),His mathema
34、tical calculations led to the conclusion: that the earth 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 t
35、heory?,4 years.,3. How many years did Copernicus work on the 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
36、 best to go over the whole points of each picture without lifting your pencil from the paper or going over any line twice.,A,A,D,D,B,B,C,C,Pre-reading-game (2m),Topology-Euler path,Euler,Read the text and find out the answers to the following questions.How did Euler find a problem?Whats the general
37、rule to the puzzle?What branch of mathematics did Euler start?,Reading-I-detailed reading (5m),How did Euler find a problem? When he walked around the town and over the bridges of Konigsberg, he was surprised to find that he could cross six of the bridges without going over any of them twice or goin
38、g back on himself, but he couldnt cross all seven.,Whats the general rule to the puzzle? If a figure has more than two odd points, you could go over it without lifting your pencil from the page or going over a line twice.,What branch of mathematics did Euler start? He started a whole new branch of m
39、athematics called “topology”.,Who can be the quickest to find out the picture from page 46 that doesnt have Euler path.,Game (2m),Language points for reading II,Homework,Surf the Internet to find more information about Euler or Topology and share it with your peer in the next class.,Take a break!,Un
40、it 1,Great scientists,Period 5 Listening,Period 5:幻灯片83-93页,What is the video about?,Its about the discoverer of DNA, Jim Watson and Francis Crick.,Pre-listening-I-video (3m),Who is the famous rocket expert in China?,Qian Xuesen,Pre-listening-II-talking (1m),Listen to the tape twice and find out the
41、 information to fill in the blank.,Listening (5m),be an engineer,his doctors degree,work on rockets,began his institute,put his picture,the father of the Chinese space programme,CarlLinnaeus,Listen to the tape once and tell what this listening passage is about.This is about a man who wants to name a
42、 flower.This is about a man who finds a flower and wants to own it.This is about a man who finds a flower and wants to know if it is a new species of flower.,C. This is about a man who finds a flower adi and wants to know if it is a new adi species of flower.,Listening-I-get the main idea (5m),Liste
43、n to the tape twice and fill in the blanks.,Listening-II-filling (5m),Sweden,1778,biology,young plants and animals,sort out,bird,parrot,Homework,Make a dialogue with your partner to talk about a great scientist. You are expected to present it to your peer in the next class.,Take a break!,Unit 1,Grea
44、t scientists,Period 6 Speaking andWriting,Topic 1:In pairs discuss the life and work of any scientists that you know. Explain their achievements and recount stories that show interesting aspects of their character and their work. Talk about how they achieved their success. Was it because of his /her
45、 talent, intelligence, hard work persistence, confidence, curiosity, enthusiasm or luck? Prepare to give a talk on you chosen scientist to the class.,Speaking-I (5m),The following questions may help you with your discussion.,1.Who is the scientist you admire most?2.What kind of education did he/she
46、receive?3.What did he/she achieve in his/her scientific work?4. Why did he/she achieve great success?,Topic 2:In pairs discuss what scientific job each of you would like to choose in the future. These questions may help you.,Speaking-II (5m),1.What job do you want to do?2.What education will you need?3.What personality will be needed?4.How long will the training take?5.What work experience would be useful?6.How will you prepare for this career?,
