例如在写关于该不该禁烟的话题时，可以这样开头：A recent study conducted by Zhongshan University has found that the number of smokers has been increasing sharply over the past five years. Research findings also reveal that the incidence of smoking-related conditions has soared. As a result, the ban on smoking has been in the spotlight.
(中山大学 最近做的一个研究表明，在过去五年里，吸烟人数急剧上升。研究结果同时显示，吸烟导致的疾病发病率也急剧增长。因此，禁烟成为一个热点话题。这个开头通过媒体报道把问题呈现在读者面前，从而引出吸烟比例急剧上升造成的危害，引发读者思考。
2. 提出有争议性的问题，激发读者兴趣，使其积极参与讨论
例如在写到警察是否应该持枪这篇文章时作者说 If police in the U.K. are able to go without guns and not have crime getting completely out of control then they have already set a fine example that other countries should follow. The fact that they are able to do this is an indication of their ability to control the flow of guns to the general populace and this makes citizens safer than anything else. To a civilian, taking guns away fr
