新核心综合学术英语教程Unit5.ppt

1. (Continued) ? Parts ? Para. ? Main Ideas ? ? II Examples ? ? B - C If a parent were to leave a child in the safe hands of a future robot caregiver, severe social dysfunction may occur on this child. D The robots can help the elderly, but they could lead to the risk of leaving the elderly in the exclusive care of machines. The elderly also need the human contact rather than the machine caregivers. E - F The use of robots in military applications also raises ethical issues, as their may kill the innocents, but not soldiers. Reading 4 1. (Continued) ? Parts ? Para. ? Main Ideas ? ? III Conclusion ? ? G The uses of robots are changing fast, yet their use poses potential risks and ethical problems, esp. for children and the elderly. Reading 4 5. Paraphrase the following sentences by changing from active to passive or vice versa. 1) People’s purpose for reading such a paper is not merely to get information. 2) Indoor air pollution is a great concern of people. 3) During the past five years, He has kept thinking of returning to his native land. 4) There is nearly no loss in a long-distance power transmission. 5) People now are wondering about the merits of competition by exams on campuses. Reading 4 5. Paraphrase the following sentences by changing from active to passive or vice versa. 6) China’s skyscrapers account for a large amount of electricity consumption and waste. 7) Biochemical changes in people’s brain occur with their mental illness. 8) As far as I am concerned, less utilization of household and garden chemicals is advisable. 9) Hopelessly, people who are addicted to tobacco ignore signs saying“No Smoking”. 10) We have no doubt about the possibility of changing social structure by an important Reading 4 2. Matching. Integrated Exercises challenge 2) range 3) welfare complex 5) media 6) network dimensional 8) design 9) issue 10) Diverse 11) construct 12) function 3. Rewriting. 1) Antibiotic resistance has become a pressing global