题目内容
（请给出正确答案）
Social networks websites are used by many employers because the former______.
A．help reveal what kind of person an job candidate is
B．can spread the information of the company in a fast way
C．save companies lots of money on communication
D．help improve employer-employee relationship
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Our social networks can【C2】______our behaviors and moods. Political scientist James Fowler of the University of California has studied these effects and previously found that obesity, smoking, and【C3】______happiness can spread through networks of people【C4】______based on their relationships.
Fowler【C5】______his study of a network of more than 8000 7th-to 12th-grade students and their sleeping and smoking【C6】______. He and colleagues【C7】______a web of connections between each student and his or her friends. In one of these friend webs, a gang of sleepless boys【C8】______the middle of the mess, where the most【C9】______kids landed--the so-called "cool" kids. The researchers found that the【C10】______central a teen landed on the map, the greater chance that he or she got less than 7 hours of sleep per night.
Drug use was also contagious(具传染性的), the team【C11】______. Each smoking friend increased the(78 that a student used marijuana(大麻)【C13】______42%. Both sleepless and drug-use contagions could still be felt four-degrees of separation【C14】______, influencing a friend of a friend of a friend's friend.
Most surprisingly, the researchers found a link between【C15】______of sleep and drug use.【C16】______a teen's friend slept less than 7 hours, her chances of using drugs went【C17】______by 19%. And that means that【C18】______sleeplessness spreads throughout a friend【C19】______, drug use spreads as【C20】______.
【C1】
A．bicycle
B．recycle
C．circle
D．cycle
What is the passage mainly about？
A．Social networks have put job seekers at a disadvantage.
B．Privacy protection has become more important in job seeking.
C．Different employers have different preferences for social network websites.
D．More employers resort to social networks when making hiring decisions.
What can be inferred from the last paragraph？
A．It's important that we develop a social network when young.
B．To stay healthy, one should have a proper social network.
C．Getting a divorce means risking a reduced life span.
D．We should share our social networks with each other.
Since the US Agency for International Development (USAID) began its first HIV/AIDS prevention efforts eight years ago, the epidemic has changed dramatically. HIV has spread to every region of the world. Millions of people infected with HIV during the first decade of the epidemic are developing opportunistic infections and other AIDS-related illnesses, and many are dying. Women and children are among those most vulnerable to HIV infection. As HIV prevalence and AIDS mortality soar, millions of children will lose their parents.
HIV/AIDS is having a devastating impact on the health and well-being of families, communities and nations worldwide. The epidemic's effects on the structure of societies and the productivity of their members undermine efforts to promote sustainable development around the globe.
USAID's approach to slowing the spread of HIV/AIDS relies on strategies tested and refined over the past eight years. At the same time, the Agency is moving forward to address new challenges posed by the evolving epidemic.
One of the important lessons learned during the past decade is that an effective response to HIV/ AIDS requires the full participation of people and communities affected by the virus. Although people living with HIV/AIDS are among the most successful advocates and communicators for prevention, too often their voices are not heard or heeded. Greater involvement of people living with HIV/AIDS is essential to creat the supportive political, legal and social environments needed to control the epidemic.
In December 1994 at the Paris AIDS Summit, representatives of 42 governments adopted resolution pledging greater support for networks of people living with HIV/AIDS. Before and during the summit, members of these networks worked with government and multilateral organizations, including USAID, to develop a plan for translating the words of the resolution into concrete action. The Agency is committed to ensuring that people living with HIV/AIDS are accepted in full partnership with governments, international organizations and the private sector in developing, implementing and evaluating HIV/AIDS policies and programs.
People living with HIV/AIDS and community-based organizations have been at the forefront of efforts to draw attention to the connection between compassionate AIDS care and effective HIV prevention. In the absence of a vaccine or cure, USAID continues to emphasize HIV/AIDS prevention. But as the number of people suffering from AIDS-related illness begins to increase dramatically, the Agency is also exploring ways to reduce the social impact of AIDS and enhance prevention efforts by integrating prevention and care.
The Agency will also continue to pioneer regional approaches to an epidemic that does not recognize national boundaries. Crossborder interventions throughout the world will target mobile populations, including migrant workers, tourists, traders, transport workers and people displaced by war, and social disruption.
Results from USAID-supported research on preventing HIV/AIDS in women, from microbiocide development to behavioral research on communication between men and women, will play a key role in slowing the rapid spread of the epidemic in the future. The Agency will continue to support research designed to strengthen programs for women and will move quickly to incorporate promising prevention methods into field activities. USAID will also work to reduce women's vulnerability to HIV prevention by promoting multisectoral efforts to improve their economic and social status.
Recognizing the growing threat HIV/AIDS poses to child survival, the Agency will support efforts to identify and test methods of preventing transmission from mother to child, such as Vitamin A supplements and other promising interventions. In addition, USAID will expand efforts to reduce HIV/ AIDS am
A．Y
B．N
C．NG
A．steadily and more effectively
B．faster and more efficiently
C．more powerfully
D．more effectively
Internet banking is also becoming increasingly popular. With lower overhead costs in terms of staffing and office space, Internet banks are able to offer higher interest rates on deposits and charge lower rates on loans than traditional banks. "Brick and mortar" banks are increasingly offering online banking services via transactional websites to complement their traditional services. At present, 14 percent of Internet households conduct their banking by means of the Internet, and the figure is expected to double or triple during the next two or three years.
Increasing commercial use of the Internet has heightened security and privacy concerns. With a credit or debit card, an Internet user can order almost anything from an Internet site and have it delivered to their home or office. Companies doing business over the
Internet need sophisticated security measures to protect credit card, hank account, and social security numbers from unauthorized access as they pass across the Internet. Any organization that connects its networks to the global Internet must carefully control the access point to ensure that outsiders cannot disrupt the organization's internal networks or gain un-authorized access to the organization's computer systems and data.
According to the text, Internet banking ______.
A．requires minimal usage fees
B．offers price advantages to users
C．is more efficient than traditional banking
D．is environmentally-conscious
Social Networking
A large but long-in-the-tooth technology company hoping to become a bigger force in online advertising buys a small start-up in a sector that everybody agrees is the next big thing. A decade ago, this was Microsoft buying Hotmail--the firm that established web-based e-mail as a must-have service for internet users, and promised to drive up page views, and thus advertising inventory, on the software giant's websites. This month it was AOL, a struggling web portal (入口网站) that is part of Time Warner, an old-media giant, buying Bebo, a small but up-and-coming online social network, for $ 850m.
Both deals, in their respective decades, illustrate a great paradox of the internet in that the premise underlying them is precisely half right and half wrong. The correct half is that a next big thing--web-mall then, social networking now--can indeed quickly become something that consumers expect from their favorite web portal. The non sequitur(推论，结论) is to assume that the new service will be a revenue-generating business in its own right.
Web-mall has certainly not become a business. Admittedly, Google, Microsoft, Yahoo!, AOL and other providers of web-mall accounts do place advertisements on their web-mail offerings, but this is small beer. They offer e-mail--and volumes of free archival (档案的) storage unimaginable a decade ago--because the service, including its associated address book, calendar, and other features, is cheap to deliver and keeps consumers engaged with their brands and websites, making users more likely to visit affiliated pages where advertising is more effective.
Social networking appears to be similar in this regard. The big internet and media companies have bid up the implicit valuations of MySpace, Facebook and others. But that does not mean there is a working revenue model. Sergey Brin, Google's co-founder, recently admitted that Google's "social networking inventory as a whole" was proving problematic and that the "monetization work we were doing there didn't pan out as well as we had hoped". Google has a contractual agreement with News Corp to place advertisements on its network, MySpace, and also owns its own network, Orkut. Clearly, Google is not making money from either.
Facebook, now allied to Microsoft, has fared worse. Its grand attempt to redefine the advertising industry by pioneering a new approach to social marketing, called Beacon, failed completely. Facebook's idea was to inform. a user's friends whenever he bought something at certain online retailers, by running a small announcement inside the friends' "news feeds". In theory, this was to become a new recommendation economy, an algorithmic (算术的) form. of word of mouth. In practice, users rebelled and privacy watchdogs cried foul. Mark Zuckerberg, Facebook's founder, admitted in December that "we simply did a bad job with this release" and apologized.
So it is entirely conceivable that social networking, like web-mail, will never make oodles of money. That, however, in no way detracts from its enormous utility. Social networking has made explicit the connections between people, so that a thriving ecosystem of small programs can exploit this "social graph" to enable friends to interact via games, greetings, video clips and so on.
But should users really have to visit a specific website to do this sort of thing？ "We will look back to 2008 and think that we had to go to a destination like Facebook or LinkedIn to be social," says Charlene IA at Forrester Research, a consultancy. Future social networks, she thinks, "will be anywhere and everywhere we need and want them to be". No more logging on to Facebook just to see the "news feed" of updates from your friends; instead it will come straight to your e-mail inbox, RSS reader or instant messenger. No need to upload photos to Facebook to show them to friends, since those with priv
A．Y
B．N
C．NG
