1 朗文英语听说教程（一）Quiz Unit 1 Happiness 1. a. Which people are happy b. What makes people happy c. How people define happiness 2. a. They like everything. b. They want to change. c. They are satisfied. 3. a. They have few problems. b. They don’t worry much. c. They have negative attitudes. 4. a. Good relationshipsb. A successful career c. A lot of money 5. Describe how psychologists learned what makes people happy. 6. What three personality factors do happy people have? Answer Key 1. b 2. c 3. b 4. a 5. Psychologists asked hundreds of people how happy they are. Then they asked questions to find out about their personalities. They looked at the differences between happy people and unhappy people. 6. Happy people are satisfied with themselves. They are also optimistic about their problems. In addition, they have good relationships with their friends and family. 2 Unit 2 New Kinds of Food (1’:50 ”)1. a. Fresh food b. Dangerous food c. Altered food 2. a. Strawberriesb. Apples c. Bananas 3. a. It needs fewer pesticides.b. It grows in less space. c. It dominates the environment. 4. a. It may stay fresh longer. b. It may be more expensive. c. It may be harmful to people. 5. What are three benefits of genetically modified food? 6. What are three risks of genetically modified food? Answer Key 1. c 2. a 3. a 4. c 5. Genetically modified food needs fewer pesticides. Genetically modified food/plants grow better than normal. In addition, they stay fresh longer after they are harvested. 6. Genetically modified food/plants may dominate other plants in the environment. Also, they might hurt wild animals and insects. They might even hurt the people who eat them. 3 Unit 3 Public Art (2...
