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1、Unit 3 Food Safety,In this unit you will: 1. learn about food safety; 2. familiarize yourself with the words and expressions related to the theme of the unit; 3. practice evaluating and judging information from lectures and learn to understand details, methods and attitudes; 4. enhance listening ski
2、lls through non-theme-related audio and video materials; 5. learn to use proper and appropriate expressions and sentence structures to give presentations.,Learning objectives,Part I Theme-Related Activities,Part II Listening Strategies,Part III Extensive Listening,Part IV Communication Skills,Part V
3、 Assessment Log,Part I Theme-Related Activities,Section I Lecture I,Section II Lecture II,Section III Lecture III,1. What do you know about food additives? 2. Do you think food additives should be totally banned?,Lead-in questions:,Unit 3 Part I Section I Lead-in questions,Word Bank,Unit 3 Part I Se
4、ction I Word Bank,Unit 3 Part I Section I Word Bank,Notes,Unit 3 Part I Section I Notes,1. European Union An economic and political association of European countries formed after World War II to reduce trade barriers and increase cooperation among its members. 2. Erythrosine Also known as Red No. 3.
5、 It is cherry-pink synthetic, primarily used for food coloring. 3. Green Dye # 1 It is a kind of synthetic used for food coloring. It has been withdrawn from use.,Task 1 Watch the video clip and then decide whether the following statements are true or false.,Task,Unit 3 Part I Section I Task 1,More
6、and more of the food we buy nowadays have been processed in different ways. 2. There is always a clear-cut distinction between additives and ingredients. 3. Additives are edible by themselves. 4. There is no agreement on the defi nition of food additives among countries. 5. The United States lists o
7、ver 2,000 compounds as food additives.,T,F,_,_,F,_,T,_,T,_,Task 2 Watch the video clip for the second time and then complete the following sentences.,Task,Unit 3 Part I Section I Task 2,1. Additives are in food and theyre not substances that youd normally eat by themselves. 2. The United States list
8、s over 2,000 compounds as food additives, which, elsewhere, might be described as or just as . 3. Some people worry , but this .,in fairly small quantities,processing agents,_,_,ingredients,_,whether additives are natural or artificial,_ _,has nothing to do with how safe they are,_ _,Unit 3 Part I S
9、ection I Task 2,4. Additives are put in food for , , , , and . 5. Youll notice when you look at the labels, that some processed foods contain a number of additives all . 6. In recent years food additives have been very closely. 7. To be on the safe side, such additives have either or from use.,taste
10、,_,appearance,_,texture,_,preservation,_,convenience,_,performing different functions,_,scrutinized,_,been restricted,_,withdraw,_,Unit 3 Part I Section I Task 2,8. The people who having problems from food additives are a small percentage of the population. 9. People with have to be very careful abo
11、ut what they eat. 10. Additives can also provide .,are susceptible to,_,food intolerance,_,essential vitamins and minerals,_ _,1. What are food additives? Define them in your own words. 2. Why are additives put in food? Do these additives exert a bad influence on peoples health? 3. Recall incidents
12、in China when food additives harmed peoples health and also share your opinions about these incidents. 4. What should the government do to prevent food additives from harming peoples health?,Task 3 Watch the video clip again and then have a group discussion based on the following questions. After th
13、e discussion, each group will give a brief report to the class.,Task,Unit 3 Part I Section I Task 3,【Script】,Script,Unit 3 Part I Section I Script,Word Bank,Unit 3 Part I Section II Word Bank,Unit 3 Part I Section II Word Bank,Unit 3 Part I Section II Word Bank,Unit 3 Part I Section II Word Bank,Not
14、es,Unit 3 Part I Section II Notes,1. What is the goal of the “Feed Bag” program? A. To give kids a free meal in school. B. To enable kids to be educated. C. To give kids nutrients. D. All of the above. 2. Which of the following statements about the problems of hunger and obesity in the U.S. is true?
15、 A. The U.S. is confronted with the problem of obesity instead of hunger. B. Obesity is a less serious problem than hunger in the U.S. C. The cases of hunger have decreased dramatically in the last 30 years. D. Both hunger and obesity have really risen in the last 30 years.,Task 1 Watch the video clip and choose the best answer to the questions below.,Task,Unit 3 Part I Section II Task 1,3. Most of the hungry peopl
