國際交流英語視聽說B3U7.ppt

1、Unit,7,Traditional and Modern Medicine,Book 3,Think and Discuss,Viewing the World,Exploring the Theme,Analytical Listening,Sharing Your Ideas,Engaging,Further Listening,Content,Unit 7 Traditional and Modern Medicine,Think and Discuss,Look at the photo and read the caption. Do you think this will be

2、an effective medicine? Which do you trust more when youre sicknatural medicines from plants or chemical medicines? What do you think the advantages or disadvantages are of knowing which diseases you are more likely to get because of your DNA?,This Cambodian man is harvesting lotus for food and medic

3、ine.,Questions,Example Answer 1 Yes, I think the lotus plant will be an effective medicine because people have been using plants as medicine for thousands of years. They know which plants work well as medicine.,Look at the photo and read the caption. Do you think this will be an effective medicine?,

4、Questions,Example Answer 2 No, I dont think the lotus plant will be an effective medicine because plant medicines are not as strong as modern medicines from pharmaceutical companies.,Look at the photo and read the caption. Do you think this will be an effective medicine?,Questions,Which do you trust

5、 more when youre sicknatural medicines from plants or chemical medicines?,Example Answer 1 When Im sick, I trust natural medicines from plants more than chemical medicines prescribed by a doctor because plant medicines are milder and less dangerous.,Questions,Which do you trust more when youre sickn

6、atural medicines from plants or chemical medicines?,Example Answer 2 When Im sick, I trust chemical medicines prescribed by a doctor more than natural medicines from plants because doctors are very well-educated. They can give me exactly the right medicine for my illness in exactly the right dosage.

7、,Questions,What do you think the advantages or disadvantages are of knowing which diseases you are more likely to get because of your DNA?,Example Answer 1 The advantages of knowing which diseases youre likely to get include being able to watch for those diseases and live a lifestyle that will make

8、those diseases less likely.,Questions,What do you think the advantages or disadvantages are of knowing which diseases you are more likely to get because of your DNA?,Example Answer 2 The disadvantages of knowing which diseases youre likely to get include having stress and worry about a disease you m

9、ay or may not get.,Questions,Exploring the Theme,Unit 7 Traditional and Modern Medicine,Look at the photos and the graphic and read the captions. Then discuss the questions. What information on this page surprises you? How has modern medicine improved patients lives? What is your experience with the

10、se or other home remedies?,Traditional and Modern Medicine,Green Tea Studies have shown it to be a cancer fighter.,Traditional and Modern Medicine,Red Chili Pepper Eat it when your nose is stuffed-up and youll breathe easily.,Traditional and Modern Medicine,Garlic It can kill a virus, so eat it to h

11、elp prevent colds and flu.,Traditional and Modern Medicine,Ginger Its tasty and it prevents travel sickness and other nausea.,Traditional and Modern Medicine,Modern medical engineering has made it possible, in some cases, for a blind person to see, a deaf person to hear, and a person without a hand

12、to pick up a key. The patient in this photo is picking up a key with the Proto 1 arm.,Traditional and Modern Medicine,Night falls over lavender (薰衣草) fields in northeast Tasmania. Lavender has been used for hundreds of years as a natural remedy for a variety of health problems including colds and he

13、adaches.,Traditional and Modern Medicine,Proto 1: a U.S. government project to create a better artificial arm. It was able to give its user a sense of touch through connections to the users nerves and to move more like a natural arm. It was the predecessor to the Proto 2 project. Proto 1 義肢計(jì)劃,Tradit

14、ional and Modern Medicine,What information on this page surprises you?,Example Answers Im surprised that garlic can kill a virus, and lavender flowers are used as medicine. Im also surprised that a high-tech artificial hand can be accurate enough to pick up a key.,Traditional and Modern Medicine,How

15、 has modern medicine improved patients lives?,Example Answers Modern medicine has improved patients lives in many ways. Antibiotics can keep people from dying from an infection. Other medicines can help keep diabetes from damaging peoples bodies. Surgery can help people with heart disease to live lo

16、nger, and can sometimes remove cancer from the body.,Traditional and Modern Medicine,What is your experience with these or other home remedies?,Example Answers I drink a lot of green tea because I like the taste and because its supposed to be good for the body. Ive also used eaten ginger when my sto

17、mach doesnt feel well. I havent tried garlic to cure a cold or chili peppers when my nose is stuffed up, but I like both foods, so Ill eat them the next time I have a cold. Another home remedy I know is to take a spoonful of honey for a sore throat, or to eat a soup made with ginseng to warm up and

18、improve blood circulation.,Traditional and Modern Medicine,Analytical Listening,Unit 7 Traditional and Modern Medicine,empirical a. 以科學(xué)實(shí)驗(yàn)（經(jīng)驗(yàn)）為依據(jù)的；經(jīng)驗(yàn)主義的 Sullivan 沙利文（人名） chicory n. 菊苣 periwinkle n. 長春花 medication n. 藥物，藥劑 variable n. 變量 inhibit v. 抑制，約束,Listening 1,A medication used to treat heart di

19、sease comes from the leaves of the digitalis plant ( 洋地黃).,Listening 1,Before Listening,Listening 1,A | Understanding Listener Response. Read and listen to part of a conversation in a professors office.,A | Understanding Listener Response.,Listening 1,Professor: First of all, it costs a lot of money

20、 to develop any new drug, and then to do empirical studies on it and get government approval. Its just a long, expensive process. Student: Sure, but isnt it worth it if the new drug can save lives?,B | Discussion. Discuss the questions with a partner.,Listening 1,1. Is the professor explaining benef

21、its or problems connected with new drug development? 2. What do you think is the purpose of the students question?,Example Answers The professor is explaining problems associated with new drug development.,1. Is the professor explaining benefits or problems connected with new drug development?,Liste

22、ning 1,Example Answers The students purpose is to get clarification about something he doesnt understand.,2. What do you think is the purpose of the students question?,Listening 1,In some listening situations, were not expected to do anything except understand the speaker. In other situations, howev

23、er, its important to respond to what we hear. Asking questions while listening makes us active participants in the conversation or presentation. We might ask questions to get clarification, to give a reaction such as surprise or interest, or to add new ideas.,Listening 1,C | Asking Questions. Take t

24、urns saying the sentences below to your partner. Then your partner should respond to each sentence with a question. Try to ask different types of questions (clarification, reaction, new idea).,Listening 1,C | Asking Questions.,Listening 1,1. I heard that theres a bad virus going around. 2. I felt aw

25、ful yesterday, so I tried a natural remedy. 3. My chemistry course is a lot of work, but its really interesting. 4. I dont know what to do. My paper is not going to be finished on Friday. 5. A new restaurant opened up in my neighborhood. 6. My father got a promotion at work.,C | Asking Questions.,Li

26、stening 1,Example Answers 1. A: I heard that theres a bad virus going around. B: What kind of symptoms are people getting? 2. A: I felt awful yesterday, so I tried a natural remedy. B: Did it work? 3. A: My chemistry course is a lot of work, but its really interesting. B: What have you been learning

27、 about?,To be continued ,C | Asking Questions.,Listening 1,Example Answers 4. A: I dont know what to do. My paper is not going to be finished on Friday. B: Have you talked to your professor about it? 5. A: A new restaurant opened up in my neighborhood. B: What kind of restaurant is it? 6. A: My fath

28、er got a promotion at work. B: Will he be working more now?,A | Listening for Main Ideas. Read the questions. Then listen to the whole conversation between the professor and the student and answer the questions.,A Conversation in a Professors Office,Listening,Listening 1,1. Why has the student gone

29、to talk with the professor? _ _ _,To be continued ,The student has gone to talk with the professor because he has some questions about the lecture the professor gave.,A | Listening for Main Ideas.,Listening 1,2. What questions does the student ask while the professor is giving her explanation? a. Su

30、re, but isnt it worth it if the new drug can save lives? b. _ _ c. _ _ d. _ _,Do those things really make a difference?,Can medicines actually kill people?,Are those clinical trials expensive.,B | Listening for Details. Listen again and complete the students notes.,Developing new drugs from plants:

31、Problems 1. studies ($) _ 2. government _ (takes a long time) 3. many variables w / trad. _ a. might get the wrong _ of plant b. might pick at wrong _ c. (age) plant might be too _ d. _ might be growing nearby,Listening 1,To be continued ,cost a lot of money,approval,remedies,sub-species,time of day

32、,wrong,some other plant,B | Listening for Details. Listen again and complete the students notes.,Scientists 1. must identify active _ from plant 2. same _ in tablet or injection 3. test drugs effects with large _ trials,Listening 1,chemical,amount,clinical,Listening 1,After Listening,Critical Thinki

33、ng. Discuss the questions with your partner.,1. Why is it so difficult to develop new medications from plant-based remedies? Use the notes as well as your own words and ideas. 2. Traditional Chinese Medicine (TCM) is quite popular in China. Do you think it is effective?,Example Answers Its difficult

34、 to develop new medicines from plant-based remedies for a number of reasons. First, the cost of doing studies of the drug is high, and it can take a long time to get government approval. There are also many variables when it comes to plants, so its important to find the right sub-species of the plan

35、t, pick it at the right age and the right time of day. Once scientists identify the active chemical from the plant that seems to be helping people, they must put the right amount of that chemical in every dose, and then test the drugs effects by doing large clinical trials.,1. Why is it so difficult

36、 to develop new medications from plant-based remedies? Use the notes as well as your own words and ideas.,Listening 1,Example Answer 1 In my experience, traditional Chinese medicine is effective. The principles that it is based on are well established and based on thousands of years of observations.

37、 And when Ive used herbal remedies or gone for acupuncture treatments, Ive always gotten better.,2. Traditional Chinese Medicine (TCM) is quite popular in China. Do you think it is effective?,Listening 1,Example Answer 2 In my experience, traditional Chinese medicine is not effective. That may be be

38、cause there are many variables when it comes to herbal treatments, and perhaps I got the wrong plant or the wrong dose. Acupuncture treatments have never helped me either.,2. Traditional Chinese Medicine (TCM) is quite popular in China. Do you think it is effective?,Listening 1,Student: Hi, Professo

39、r Sullivan? Professor: Hi, Patrick. Come on in. Student: Thanks. I wanted to . to talk to you about this mornings lecture. Professor: Good. Have a seat. What would you like to know? Student: Well, in the lecture, you talked about some really promising medicinal plants, like chicory, and . and some o

40、thers, I think. And, um, . also about those two anti-cancer drugs that are made from rosy periwinkle. Professor: Well, actually, theyre made from a synthetic chemical, . but its the same chemical thats in rosy periwinkle.,To be continued ,Listening 1,Student: OK, so . basically, what Id like to know

41、 is . why theyre not studying hundreds of plant species looking for the next great medications. Professor: Thats a good question, and the answers pretty complicated. First of all, it costs a lot of money to develop any new drug, and then to do empirical studies on it and get government approval. Its

42、 just a long, expensive process. Student: Sure, but isnt it worth it if the new drug can save lives? Professor: Yes, but theres more to it . With traditional remedies, there are a lot of variables. Imagine that a drug company learns about a plant thats supposed to inhibit the action of a viruslike t

43、he chicory plant, for example.,To be continued ,Listening 1,Professor: They do experiments with the plant, and nothing happens. It turns outafterwardsthat they picked the wrong sub-species of the plant, or they picked the plant at the wrong time of day . Really! The plant chemicals can actually be d

44、ifferent in the morning than they are at night . Or, or maybe the plants were old instead of young, or . some other plant was growing nearby . Student: Wow . do those things really make a difference? Professor: They can. The crucial thing to remember is that scientists need to know exactly which che

45、mical from the plant is active, and they need to put a standard amount of that chemical in each tablet or injection, and they need to make sure it wont kill anybody.,To be continued ,Listening 1,Student: Can medicines actually kill people? Professor: Its possible . Thats why they have studies to fin

46、d out what the medicines will do . They might start with rats and mice, but eventually, they need to do large clinical trials with human beings. Student: That makes sense. And are those clinical trials expensive? Professor: Absolutely, and they take time, too. Student: Well, I guess I can understand

47、 the problem, then. Its a shame though . with plant species going extinct and all, I mean, one of those plants could . might be the cure for some disease, and well never know about it. Professor: You could be right.,To be continued ,Listening 1,Student: Well, I need to get to the library. Thanks for

48、 taking the time to talk to me. Professor: No problem at all . Anytime. See you in class.,Listening 1,Listening 2,arthritis n. 關(guān)節(jié)炎 hereditary a.（ 品質(zhì)或疾病等）遺傳的 socket n. 臼，窩 therapy n. 治療；療法,Johns Hopkins University: a private research university in Maryland, U.S.A. It was founded in 1876. Thirty-seven

49、 of its staff and graduates have been awarded Nobel Prizes. 約翰斯霍普金斯大學(xué),Listening 2,Self-Reflection. You are going to hear two friends talking about a family member who is going to have surgery. Has anyone you know had surgery? Did the surgery help them? Explain.,Before Listening,Listening 2,Example A

50、nswer 1 Yes, my younger brother had to have his appendix removed when he was twelve years old. He felt very sick before the surgery, but afterwards he felt much better. My aunt also had surgery to replace her knee joint. She had a lot of pain when she walked. After the surgery, she needed physical t

51、herapy for several weeks, and then she was pain-free.,Listening 2,Example Answer 2 No, I dont know anyone who has had surgery.,Listening 2,A Conversation Between Friends A | Listening for Main Ideas. Read the statements and answer choices. Then listen to the conversation and choose the correct word

52、or phrase to complete each statement.,Listening,Listening 2,1. The womans father has _. a. cancer b. arthritis c. heart disease 2. The woman says the surgery will be _. a. radical b. major c. minor 3. After the surgery, the woman says there will be physical _. a. therapy b. disability c. examination

53、s,b,b,a,B | Listening for Details. Read the sentences. Then listen again and complete each sentence with what you hear.,Listening 2,1. The surgery will be next _. 2. The womans father is having his _ replaced with a prosthetic device. 3. The woman says _ in her family gets the same condition as her

54、father. 4. The physical therapy will take _ weeks.,week,hip,everyone,six,Listening 2,Some of the available prosthetic ( 義肢的) devices,C | Making Inferences. Read the statements. Then listen again and check () T for true or F for false.,Listening 2,C | Making Inferences. Read the statements. Then list

55、en again and check () T for true or F for false.,Listening 2,Example Answers 1. F (He says no, he didnt know.) 2. F (He thinks its radical surgery. She explains the surgery to him.) 3. T (She expects her father to be “as good as new” after the surgery.),After Listening,Listening 2,A | Discussion. Di

56、scuss the questions with a partner.,1. What kinds of questions does the man ask during the conversation? 2. Do all of the questions seem appropriate and polite to you? 3. What is your attitude toward the surgery?,Example Answers The man asks questions to confirm information and perhaps to show his i

57、nterest and concern: Whats the matter with his hip? Isnt hip replacement a pretty radical surgery? What does the surgery consist of? What do they have to do? How long is the recovery? Will your dad be in a lot of pain?,1. What kinds of questions does the man ask during the conversation?,Listening 2,

58、Example Answers The questions seem appropriate and polite to me if the speakers are good friends. The questions seem too personal to me. He asks for a lot of details, and I dont think thats polite.,2. Do all of the questions seem appropriate and polite to you?,Listening 2,Example Answer 1 Im amazed at this kind of surgery,