2. 外语
  3. The Internet has become a commonplace for us. While【C1】______the Internet, we should not【C2】______the alarm bells sounding in ou

The Internet has become a commonplace for us. While【C1】______the Internet, we should not【C2】______the alarm bells sounding in ou

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问题    The Internet has become a commonplace for us. While【C1】______the Internet, we should not【C2】______the alarm bells sounding in our ears, reminding us of keeping【C3】______for on-line crimes. Last year, the Melissa and Explore Zip virus caused chaos【C4】______the Internet. Last week the "I love you" bug played havoc【C5】______the world. What will be the next? No one knows.
   Many on-line crimes are not so different to【C6】______seen in real world, the spreading of fake data, cheating and blackmail,【C7】______property rights infringements and privacy violations. But computer hackers also create new forms of crime【C8】______the Internet changes the world into a "global village".
   With the【C9】______of e-business, on-line crimes could not only cause great damage to【C10】______, but could also threaten the【C11】______of national political, economic and cultural orders. The【C12】______legal system in most countries【C13】______weak when dealing with on-line crimes,【C14】______to the sophisticated technology involved. For this reason, many countries are considering【C15】______Internet laws to curb on-line crimes.
   In China,【C16】______there are millions of Internet surfers, it is more important to formulate new laws and rules on network security than to【C17】______the existing ones. When drafting and【C18】______new laws, China should also【C19】______the relations between protecting network security【C20】______the sound development of Internet.  
【C13】
选项 A、proving
B、proves
C、prove
D、proven
答案B
解析 语法辨析。通过分析句子结构可知，空格处需要填入的是谓语动词，且主语system是单数第三人称，故应选proves。
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