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  3. A simple definition for a social network is the circles of people you know. There are circles of your close friends, others incl

A simple definition for a social network is the circles of people you know. There are circles of your close friends, others incl

admin2010-09-25  40
问题      A simple definition for a social network is the circles of people you know. There are circles of your close friends, others include your family, and yet others are of your acquaintances from church, your job, or community life. The Internet offers yet another opportunity for developing a social network with people who share something in common with you but whose paths you wouldn’t have necessarily crossed because they reside in other states or countries.
    Social networking on the Internet took off in popularity several years ago. Now there are over 200 sites where you can make new friends, find a date, exchange photos or make new business connections.
     Examples of some popular sites on the Internet include MySpace＠AE, FaceBook and Linkedin＠AE. At MySpace you can create a private community to share photos and interests with your network of friends or family members. It’s becoming very popular with the high school and college-aged set, but the number of older adults participating on MySpace＠AE is growing rapidly. FaceBook has become very popular with anyone who has a valid email address from a registered company, and is especially popular with the college crowd. LinkedIn＠AE is a good example of a business networking site where your profile (人物简介) is more like a resume with a focus on work experience and skill sets such as engineering or marketing.
    Although many of these social networking sites allow you to add pictures and personal information to attract new friends, it’s very important that you remember to stay safe on the Internet. Like any other public place, you need to be protective of your personal information when you’re visiting sites on the Internet, and there are some bits of personal data that you should not share or have easily accessible on a social website.
     The obvious information not to publicly reveal is your actual address and phone number. In many cases you may not even want to provide your email address. It’s not wise to fill in any form with your exact birthday, the true city where you were born or your mother’s family name. There are all the types of information used by banks and credit card companies to verify (验证) your identify. A clever thief will troll (翻转) social sites gathering this sort of information in order to steal an identity. So, be mindful when you join a social networking site that not everyone who contacts you is a trustworthy individual.
     If you’re interested in giving social networking a try, browse a site you want to join as a "guest" for a while or ask some of your friends what sites they belong to. Fill out only the minimal profile information when you first join. You can always add more data later when you’ve become comfortable with the social interaction you have on that site. Also remember to remove information from your profile when you leave a site to which you don’t intend to return.  
Through social networking, you can ______.
选项 A、make friends, business connections or find an appointment
B、find some useful information about our society
C、ask someone to help you finish your own business
D、get private information about your friends
答案A
解析 细节题。由题干可知本题提问社交网络的作用。第二段末句指出“有超过200个网址可供你交朋友、约会、互换照片或者是谈生意。”故A正确。C“通过网络可以开展商业活动”，只阐述了一方面的作用，故排除。
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