听说并进课件-4级unit

1、UNIT 2Review How would you describe your own personality? What are first impressions of other people usually based on? DesignThomas Edison electric light bulbs学生用书 P18-P261. What are some inventions you use everyday? make a list.2. What do you think life was like before these inventions? What proble

2、ms didi the iventions solve? Did they create any problems?3. How do you think inventors get their ideas?Do they usually work alone or in groups?In what ways are inventors different from ordinary people?Discussion Point Vocabulary prview Complete the paragraph below with the words in the box.benefits

3、 creative devices genetically modified industries invention patent research solutions Human have been creating tools, gadgets, and other 1_ for many thousands of years, ever since the 2_ of fire-starting toolsroughly 400,000 years ago. Like fire, the best inventions are 3 _ to our most important pro

4、blems; they offer huge 4_ and make life easierand happier. In addtion, inventions such as the automobile developed into massive 5_ that empty millions of works. These companies spendbillions on 6_ to develop new gadgets, vehicles, medicines, and more recently, 7_ plants and animals. Because the 8_ a

5、nd hardworking people who make these discoveries are so important to us, inventors can ask governments to grant them a 9_. This documentdescribes an invention and gives its inventor the exclusive right to sell it.Answers:1. devices 2. invention3. solutions4. benefits5. industries6. research7. geneti

6、cally modified8. creative9. patentListening 1 The inventions of Arthur PedrickGlobal listening1. listen to British speaker describing the inventions. Circle the correct answer.1. What kind of talks is this?a. a sales presentation b. a news report c. a lecture2. How long have the people known each ot

7、her?a. a day b. a few months c. a year3. Who speaks the most in the passage?a. the professor b. Marco c. Pedrick2. Listen again. What do the inventions in the pictures do? Write a,b,or c next to the correct description.(some descriptions will not be used.)1. its an underwater train system between Au

8、stralia and Antarctia. 2. its a car you can drive from the back seat.3. its a system for moving snow from Antarctica to Australia.4.its a golf ball that flies three times farther than a normall ball.5.its a car you can drive underwater.6.its a golf ball you can steer in the air.Close listening Work

9、with a partner. Listen to some questions from the lecture and check then rhetorical ones. How can you tell that they are rhetorical?1 Professor: Who can tell me what these inventions are?2 Ling: Wow, who knows?3 Professor: What golfer hasnt had that happen?4 Brain: So who is Arthur Pedrick?5. Profes

10、sor: Sorry, your name is .?6 Marco: Why patent them? I mean, Whats the point?Close listening Work with a partner. Listen to some questions from the lecture and check then rhetorical ones. How can you tell that they are rhetorical?1 Professor: Who can tell me what these inventions are?2 Ling: Wow, wh

11、o knows?3 Professor: What golfer hasnt had that happen?4 Brain: So who is Arthur Pedrick?5. Professor: Sorry, your name is .?6 Marco: Why patent them? I mean, Whats the point?Listening 2 Patents for living creaturesDiscuss these questions in a group.1 What types of food do you think are often geneti

12、cally modified?2 How you ever eaten genetically modified food? How did you know?How was it different from normal food?3 Your are going to hear about a company that wants to patent a genetically modified salmon. How do you think this salmon might be different from an ordinary salmon?Global listening

13、1 Listen to the radio program. What makes the genetically modified salmon different? Circle the correct answer.a. it grows faster and tastes better than ordinary salmon.b. it is cheaper to produce because it reaches full siza more quickly.c. it lives longer than ordinary salmon and can stay fresh lo

14、nger.2 Listen again. Number the topics 1-5 in the order they are discussed.a. other living things that companies have patentedb. problems that the new salmon could cause for fishermenc. the main way that the genetically modified salmon is differentd. a point everyone agrees one. reasons why the gene

15、tically modified salmon wont enter the oceanGlobal listening 1 Listen to the radio program. What makes the genetically modified salmon different? Circle the correct answer.a. it grows faster and tastes better than ordinary salmon.b. it is cheaper to produce because it reaches full siza more quickly.

16、 c. it lives longer than ordinary salmon and can stay fresh longer.2 Listen again. Number the topics 1-5 in the order they are discussed.a. other living things that companies have patentedb. problems that the new salmon could cause for fishermenc. the main way that the genetically modified salmon is

17、 differentd. a point everyone agrees one. reasons why the genetically modified salmon wont enter the oceanbc, a, b, e, dClose listening1 listen to the excerpts from the radio program. What is each persons job?1 Ruth Chang _2 Clara Emerson _3 Steven Clauson _4 Deborah Shatah _2. Now listen to the ent

18、ire radio program again. Who supports patenting the genetically modified salmon? Who opposes it? Who does not express a clear position? Check the correct answer.SupportOpposeNo clear position1 Ruth Chang 2Clara Emerson3Steven Clauson4Deborah ShatahClose listening (Answer)1 listen to the excerpts fro

19、m the radio program. What is each persons job?1 Ruth Chang _host_2 Clara Emerson _spokersperson_3 Steven Clauson _member of a trade association_4 Deborah Shatah _science journalist and author_2. Now listen to the entire radio program again. Who supports patenting the genetically modified salmon? Who

20、 opposes it? Who does not express a clear position? Check the correct answer.SupportOpposeNo clear position1 Ruth Chang 2Clara Emerson3Steven Clauson4Deborah ShatahAssignment:Vocabulary skill p22课堂讲解的单词记忆InventionsWhat are some inventions you use everyday? What problems did the inventions solve? Did they create any problems?How do you think inventors get their ideas? Speaking Conjunctions Thought groupsExpress interestReviewHow to give more information to a “noun”?Relative Pronoun(who, that, or which)GrammarGiving definitionExplaining processesDescribing P23THAT!Work in groupsAn invent