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Nowadays more and more ______are commonly and widely used in everyday life,ranging from __________to_____________.

The popularity of _______will have a great influence on ______.On the one hand,_________.On the other hand,__________.

To conclude,____________are just like a double-edged sword.With them we may________.However,one point should be kept in mind that we should make sensible use,always being a master instead of slaving of them.

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如今越来越多的______普遍和广泛使用在日常生活中，从__________，___________。

_______的普及将有很大的影响______。一方面，_________。另一方面，__________。

总括而言，____________就像一个双刃剑。有了他们，我们可能________。但有一点应该牢记，我们应该很好地利用，始终是一个主人，而不是奴隶。