15. A. a few people B. all the people
C. many people D. some people
名师点评
本文介绍了二十一世纪我们社会将发生的各种各样的变化,包括就业,饮食等一系列的变化。
答案解析
14. A. Safe B. Easy C. Simple D. Dangerous
13. A. fatter B. thinner C .healthier D. more pleased
12. A. food B. clothes C. fruit D. drinks
11. A. rich B. other C. poor D. small
10. A. Seeing doctors B. Going to the cinema
C. Shopping D. Travelling
9. A. fewer hours B. more hours
C. eight hours D. more than eight hours
8. A. science B. maths C. English D. computer
7. A. hospital B. factory C. home D. town
6. A. more useful B. useful C. helpful D. less useful