考研英语完型填空题，旨在考察考生对文章整体理解和词汇、语法知识的综合运用能力。以下是对一道典型完型填空题的详细答案讲解：
【例题】
The importance of the Internet in our lives cannot be overstated. It has revolutionized the way we communicate, access information, and conduct business. With just a few clicks, we can connect with people from all over the world, find answers to our questions, and purchase products without leaving our homes.
However, the Internet also brings with it certain challenges. One of the most significant challenges is the issue of privacy. Many people are concerned about the amount of personal information that is being collected and shared online. This concern is valid, especially given the increasing number of data breaches and cyber attacks.
To address this issue, it is important for individuals to be more vigilant about their online activities. They should review the privacy policies of the websites they visit and ensure that they are not sharing unnecessary personal information. Additionally, they should use strong passwords and enable two-factor authentication to protect their accounts.
Moreover, companies need to take responsibility for the security of their customers' data. They should invest in robust security measures and regularly update their systems to prevent breaches. By doing so, they can help build trust with their customers and ensure that their personal information is protected.
In conclusion, while the Internet has brought many benefits, it also presents challenges that we must address. By being more aware of the risks and taking steps to protect ourselves, we can continue to enjoy the benefits of the Internet while minimizing the potential harm.
【答案】
1. A. overstated
2. B. communicate
3. C. information
4. D. products
5. E. concern
6. F. valid
7. G. vigilant
8. H. policies
9. I. unnecessary
10. J. passwords
11. K. authentication
12. L. responsibility
13. M. robust
14. N. systems
15. O. breaches
【解析】
1. 根据句意，此处应选表示“过度强调”的词语，故选A。
2. 根据句意，此处应选表示“交流”的词语，故选B。
3. 根据句意，此处应选表示“信息”的词语，故选C。
4. 根据句意，此处应选表示“产品”的词语，故选D。
5. 根据句意，此处应选表示“关注”的词语，故选E。
6. 根据句意，此处应选表示“有效的”的词语，故选F。
7. 根据句意，此处应选表示“警觉的”的词语，故选G。
8. 根据句意，此处应选表示“政策”的词语，故选H。
9. 根据句意，此处应选表示“不必要的”的词语，故选I。
10. 根据句意，此处应选表示“密码”的词语，故选J。
11. 根据句意，此处应选表示“认证”的词语，故选K。
12. 根据句意，此处应选表示“责任”的词语，故选L。
13. 根据句意，此处应选表示“强大的”的词语，故选M。
14. 根据句意，此处应选表示“系统”的词语，故选N。
15. 根据句意，此处应选表示“破坏”的词语，故选O。
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