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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_______.Inaddition,_______.Finally,______________.

　　Apart from the benefits mentioned above,we should also face severalunavoidable challenges.In the first place,_____________.In the secondplace,________.What’s more,_______________.Insummary,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 ____.Onthe 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.