Unit 15

3. What is “median age”? The median age means the age that divides a population into two numerically equal groups. Half the people are younger than this age, and half are older.
3) compression of morbidity (压缩疾病期理论) It refers to the situation in which old people get more of age-related illness in the final years of their life. 4) life expectancy It refers to the number of years of life remaining at a certain age. 5) replacement rate It refers to the number of child births given by a woman in order for the population to remain steady.
Comprehension work
7. To give an accurate representation of what being old is like. 8. Because it seems that the Japan of 21st century will no longer be a young person's world.
Word Study
3. a. Some countries are so small that it is difficult to locate them on a world map. b. The operation could not begin until the bullet was located in the wound. c. The ship locates its position at sea using a satellite. 4. a. The retarded child even had difficulty in speaking his mothertongue, not to mention learning a foreign language. b. The young man had difficulty in supporting hiself, not to mention supporting a whole family. c. Madam Lin has a lot work to do: marking students' work, planning new lessons, supervising young teachers, visiting students' families, talking with students. Not to mention household chores for her faon
• Part 1: P1 • Part 2: P2—P5 • Part 3: P 6—P7
Part1: An introduct to the experiment of wearing ageing suit. Part 2: The feeling and the whole process of wearing ageing suit. Part 3: The purpose of wearing the ageing suit.
Word Study
1. a. He fell off the bike and broke his left leg. Now the nurse is applying bandages to his leg. b. The man applied some new paint to his house to make it look unique in the neighborhood. c. How much force has to be applied to the ball in order to set it rolling? 2. a. The sales target was set on the basis of the market research in several large cities. b. In the company, the staff are promoted on the basis of their performance at work. c. Is It safe to predict the future on the basis of one opinion poll?
Comprehension work
1. The writer felt very depressed. 2. Because he was wearing restrictive bindings. 3. The ageing suit had been carefully designed on the basis of scientific research into the exact effects of ageing. 4. The special glasses had the effects of cataracts. 5. It was created with a number of weights attached to the writer's body. 6. In the ageing suit, the writer had great difficulties getting simple things done.
6. Sade enjoyed tremendous popularity in the 80s. But in the 90s her fame as pop singer, at any rate in Britain, is over. 7. The inventor ran into a difficult problem. He wrestled for days to find a solution. 8. He woke up abruptly, as though from a nightmare.
The Ageing Population
Useful Information
1. What is the “fertility rate”? It refers to the number of children that are boren to a woman during her lifetime. 2. What is “life expectancy”? It refers to the length of time that people are normally likely to live.
Rewriting
1. To prevent insect bites, the explorers applied some lotion to their skin before they entered the jungle. 2. I realized how inadequate our language could be when it comes to defining a complicated idea. 3. The bill was to be subjected to debate in Congress. 4. I don't recall any of the bikes having a sounding device, not to mention any built-in lights. 5. He began to read the letter and seemed to be gripped by a fearful apprehension.
Useful Information
4. What is the “baby boom generation”? It refers to the generation who were born in the middle part of the 20th century, a period after the Second World War which experienced a demographic boom in births.
The Ageing Population
Tape Recording
With wide spread of falling fertility rates and significant increaseof life
expectancy, the median age of population is arising and it will affect economy of all countries. Today's younger generation is outnumbered by its parent's generation. By 2025 more than a third of UK's population will be over 55. We are living longer and staying active until much later in life. A dramatic unprecedented demographic shift is taking place in which the number of young people is dwindling, for the older section of population rapidly expands. The underlying cause is that we are living longer and having fewer children, well below the replacement rate of 2.2 per woman. The size of baby