【正文】
longevity 4) specialty 5) structure 6) existences 7) plicated8) the elderly must rely on a fixed ine9) while some live with their children, many more live by themselves, with a friend or in a nursing home10) They have formed organizations to voice their own needs and concerns to local, state and federal agencies.Unit 10 Home SchoolingPart BExercise 1. Exercise21. 41foot sailing boat2. dining table3. devised their own curriculum4. a shuttle launch, the Kennedy Space Center museums.5. use a library6. writing, science experiments,. artwork, projects7. the world around them8. a rain forest, a coral reef, historic ruins, foreign markets, local festivalsPart C Unit 11 Opinion PollsPart BExercise 1 Exercise 21. They are too high2. So that people can be discouraged from using cars3. She suggests that they use a graded charging system depending on how far they are from the city centre.4. Because they pollute the city center.5. Use the bus or tram service.Part C Unit 12 Reality TVPart BExercise 1. Exercise 2.1. In Sweden in 1997.2. On a South Pacific island in May 2000.3. They had to find and cook their own food. Sometimes they even had to eat rats and worms.4. Nine volunteers. They were filmed 24 hours a day for 100 days.5. On New Year’s Eve 19996. $1 million for the winner of Survivor and $500,000 for the winner of Big Brother.7. Big brother.Part C Unit 13 That’s LifePart BExercise 1.1.