雅思大作文地结构及写作办法.ppt

主体段2 飞机旅行的第二个好处：安全 对比论证 Secondly, travelling by air is safer than by any other means of transport. There are car crashes happening here and there on highways, taking away thousands of lives everyday. People may think that train and ship are much safer than airplane, but statistics show that the rate of an airplane crash is far lower than these two means of transport. I have travelled by air dozens of times and am quite confident about the safety of air traveling. Sure enough, apart from some worries about the safety of airplane, people are also worried that due to cheaper prices of air tickets, there will be more and more people choosing to travel by air, thus resulting in huge consumption of fuel and severe air pollution. This is indeed a problem worth our deep consideration. However, I firmly believe that with the development of science and technology, new types of fuel will definitely be found and then, air travel will pose no threat at all to the environment. From the foregoing discussion, we can see that air travel becoming cheaper and cheaper is absolutely not a bad thing. 写法二 折中写法 写两种观点的合理性 开头段照旧，可以省去自己观点，最后一段再提。 中间段落两种观点的合理性 结尾总结，你的想法，建议措施展望 Some people prefer to live in a small town. Others prefer to live in a big city. Which place would you prefer to live in? 折中 开头，引出主题 大城市优点 小城市优点 我的观点 People seldom agree with each other, even in such trivial issues as preference between big cities and small towns. It’s a little bit hasty to say that it is better to live in a big city than to live in a small town, or vice versa. 大城市优点 （列举法，对比论证） 就业 教育 生活水准 Living in a big city has several benefits. First, there are more job opportunities readily available in big cities than a small town. The qualities of the position are much higher as well and the pay is more decent. Second, children are supposed to be able to receive an education with a higher quality compared with their counterparts who live in a small town. Finally, living in a big city has a superior o