Everything lives with opposite forces. The same can be said about modern technology, such as __51___.

At first glance, Internet _52____ us excitement and a world of promise. Frankly speaking, people who have some ideas of it ___53__ deny the merits（优点）born with the system. For instance, it can improve efficiency in scientific research, for __54___ it scientists and researchers can get a global look at the __55___ development in the field concerned and accordingly they need to spend __56__ time doing what has already been done. In view of personal communication, the most __57___ means could be peculiar to Internet, too.

While people speak _58____ of Internet, its drawbacks（弊端）shouldn’t be neglected. Sometimes, a __59___ fatal breakdown of the system, or a disastrous ___60__ could bring us an enormous amount of damage and loss. Meanwhile, __61___ Internet’s replacement of books or the written work as the main __62___ of information, human’s writing abilities are __63___. However, every country on this planet should work hard to develop the system to serve us __64__ efficiently and comfortably, __65__in the net all countries are interrelated.