1 开头段：先讲重要性，然后转讲不好的地方。

　　中间段：措施

　　结尾段：先来个小转折再进入总结

　　开头段Nowadays with the rapid development of advanced ……., more and more…..are commonly and widely used in everyday life. However, what worries most of us is that……

　　中间段 Firstly….Secondly…..Lastly but in no means least……

　　结尾段 To conclude,…..are just like a double-edged sword. With them we may have less trouble dealing with problems in life and enjoy a better-off life. However, one point should be kept in mind that we should take sensible use of them , always being the master of them。

　　2 开头段：先讲重要性，然后转讲争论

　　中间段：转折(即列出两种不同人的观点)

　　结尾段：直接进入总结(即你的观点)

　　开头段：It is accepted that …. Plays a significant part for both …, and what’s more , a lot of attention is being drawn to the change of….. However, whether … deserves such an attention , people’s ideas vary。

　　中间段：On the one hand, some people hold the view that …。.

　　On the other hand, a great many people insist that…。

　　结尾段：From my perspective, however…. (你的观点) . Therefore, it’s time that (措施之类的)