These supporting ideas are based on the examples given in the Answer Key for Exercise W1. Yours may be different. 　　1. Ⅰ. disadvantages of owning a car 　　A. expensive to buy 　　B. expensive to maintain 　　C. difficult to park 　　D. causing air pollution and traffic jams 　　2. Ⅰ. reasons for living in a remote area 　　A. get away from city noise 　　B. live in unpolluted area 　　C. remaining where one has been born 　　D. be closer to nature 　　3. Ⅰ. disadvantages of studying abroad 　　A. far from family and friends 　　B. difficulty in understanding a foreign language 　　C. more expensive 　　D. hard to get home in an emergency 　　4. Ⅰ. kinds of home accidents 　　A. falls 　　B. poisoning 　　C. burns 　　D. cuts 　　5. Ⅰ. kinds of airports 　　A. international 　　B. national 　　C. rural 　　D. private 　　6. Ⅰ. problems caused by absenteeism 　　A. lost production 　　B. missed deadlines 　　C. mistakes made by substitutes 　　D. expenses for training substitutes 　　7. Ⅰ. methods to prepare for taking exams 　　A. study on a regular basis 　　B. review appropriate material 　　C. anticipate questions 　　D. get good nights sleep the night before 　　8. Ⅰ. changes brought by computers 　　A. better telephone services 　　B. information easier to obtain 　　C. easier inventory procedures in businesses 　　D. helpful in education 　　9. Ⅰ. ways to prepare rice 　　A. rice with vegetables 　　B. fried rice 　　C. curried rice 　　D. rice salad 　　10. I. steps to organize a camping trip 　　A. make a list of necessary items to take 　　B. get maps of area 　　C. have car in good condition 　　D. check weather report