Which of the following statement BEST summarizes the meaning of the first four paragraphs？( ) A.Cyberspace has more benefits than defects. B.Cyberspace is like a double-edged sword. C.Cyberspace symbolizes technological advance. D.Cyberspace still remains a sci-fi notion.
Which of the following statement BEST summarizes the meaning of the first four paragraphs？( )
A.Cyberspace has more benefits than defects.
B.Cyberspace is like a double-edged sword.
C.Cyberspace symbolizes technological advance.
D.Cyberspace still remains a sci-fi notion.
B.Cyberspace is like a double-edged sword.
C.Cyberspace symbolizes technological advance.
D.Cyberspace still remains a sci-fi notion.
参考解析
解析：细节题。文章前四段分别从不同角度对互联网进行了描写，其中第一段讲的是“网络空间”一词的来源和提出者对其的定义；第二段讲互联网的发展及给人带来的好处；第三、四段是对互联网潜在危险的描写。由此可以看出，前四段从正、反两方面对互联网进行阐述，根据题意，B项正确。
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