六级作文万能模板4--原因现象型

　　With the development of science and human civilization, many formerly unimaginable things come into reality. Some of them have positive effects on our life, but some are distasteful. The phenomenon of ________ is an example of the former / latter one.

　　There are many factors that may account for it, and the following are the most conspicuous aspects. To start with, __________________ . Furthermore, ______________________ . Eventually, __________________________ .

　　Good as ____________ is, it has, unfortunately, its disadvantages. The apparent example is that ___________ . In addition, ___________ .

　　On the whole, the phenomenon is one of the results of the progress of the modern society. There is still a long way for us to improve / eliminate __________ and make our life more comfortable.