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　　Different people have different views on _____. Some people thinkthat _____,whereas others aegue that _____.

　　As far as I am concerned, I agree with the opinion that _____. For one thing, I firmly believe that _____. Foranother, _____. Just think of_____, who/which _____.

　　Taking all these factors into consideration,we may safely come tothe conclusion that _____. Only if _____ can we _____, just as the sayinggoes, _____.

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　　In recent years there have been many reports of _____. It turns anew chapter of _____ in China, and will have far-reaching effects in theforthcoming years.

　　The biggest benefit,in my eyes, is that _____. In addition, _____. Finally, _____.

　　Apart from the benefits mentioned above, we should also face severalunavoidable challenges. In the first place, _____. In the secondplace, _____. What's more, _____. In summary, we should _____.

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　　Nowadays more and more _____ are commonly and widely used in everydaylife, ranging from _____ to _____.

　　The popularity of _____ will have a great influence on _____. On the one hand, _____. On the other hand, _____.

　　Toconclude, _____ are just like a double-edged sword.With them wemay _____. However, one point should be kept in mind that we should makesensible use, always being a master instead of slaving of them.