topic 19: should governments spend more money on improving road and highways, or should government spend more money on improving public transportation (buses, trains, subways)?why?use specific details and examples in your answer.

　　1 frist of all ,better public transportation systems,including buses, trains and subways, will encourage more people to use them rather than drive their own cars.

　　2 second, using public transportation saves energy.

　　3 and last but not least, greater use of public transportation causes less pollution and will keep the environment cleaner.

　　it is better for children to grow up in the countryside than in a big city.do you agree or disagree? use specific details and examples in your answer.

　　1 one important advantage of raising children in the countryside is that the environment is cleaner and healther.

　　2nother advantage of country living is safety.

　　3 finally, a country upbringing allows children to experience a more natural environment without all the distractions of entertainment places in the city.

　　topic 21: in general , people are living longer now.discuss the causes of this phenomenon. use specific reasons and details to develop your essay.

　　1 mankind＇s longevity is due mainly to advances in science and technology.

　　2nd as civilization has advanced, our living environment and sourses of food have become more sanitary.

　　3 furthermore, work is now safer and not as taxing on the human body

　　topic 22: we all work or will work in our jobs with many different kinds of people in your opinion,what are some important characteristics of a co-worker (someone you work closely with)? use reasons and specific examples to explain why these cha