单选题
If there is one thing that could halt the ascent of social networks, it is the thorny question of privacy. This is (1) because it goes right to the (2) of the social-networking business model. In order to attract users, sites need to offer ways for members to restrict the information about themselves that gets shared with a wider (3) . But if a site allows members to keep too much of their information privacy, there will be less (4) that can be turned into profit through advertising and various other means, so the network's business will (5) . There is some evidence that people are starting to become more (6) about the way in which they (7) their data, which could have longer-term (8) for the networks' growth. Research published last year showed that some 60% of adults are restricting (9) to their online profiles. (10) , the social networks have partly brought this on themselves. In order to offer a better service, many have created (11) sets of privacy controls that allow users to switch between different levels of protection to (12) their online data. Facebook has excessive controls that can be adjusted to create different levels of (13) . Default settings for younger people on social-networking sites are often more (14) than those for adults to (15) they are protected from unwanted attention. Social networks (16) applause for developing these fine-grained controls. But their desire for profit can put them on a (17) course with privacy activists, regulators and their users. One bone of contention is social networks' (18) to draw attention to their privacy statements. The reason for this might be concern about "privacy reassurance": the worry that (19) people to privacy as a potential issue will make them less (20) to share things, even if robust privacy controls are available.
单选题
A. compulsory B. controversial C. comprehensive D. conventional
【答案解析】[解析] 考查名词辨析。设空部分指出了“棘手的隐私问题”与“社交网站经营模式”的关系。下文对这一关系作出了具体阐述,即社交网站的经营,无论是吸引用户还是获利都与用户隐私密切相关。所以将A项代入,意为“隐私问题触及到社交网站经营模式的核心”,为正确答案。B项的搭配为get to the bottom of sth. “找到起因;挖出祸根”,C项用于on/to the verge of sth. “濒于,接近于”,D项的搭配为go to one's head“使人过于骄傲,冲昏头脑”,都不符合题意,可排除。
单选题
A. society B. faculty C. public D. audience
【正确答案】
C
【答案解析】[解析] 考查名词辨析。设空处为that引导的定语从句,修饰先行词the information about themselves,意为:(网络会员)与更广泛的______分享的个人信息。C项在文中特指“使用社交网站的这一群体”,为正确选项。A.society“社会,社团”,B.faculty“(高等院校中院、系的)全体教师”,D.audience"观众,听众”,都可表示特定的一群人,但不符合文意。
【答案解析】[解析] 考查动词辨析。本句意为:社交网站因开发出这些高密度控制模式而______掌声。A.deserve“应受,应得”肯定了社交网站为保护用户隐私而付出的努力,为正确答案。B项可与applause搭配,但用于draw sth. from sb. 的结构中。C项代入意为强烈要求掌声,也不合文意。D.derive表“获得”仅用于derive sth. from sth. 结构,亦排除。
单选题
A. competition B. coalition C. circulation D. collision