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2015英语六级选词填空练习：社交网络
A day after the mobile phone celebrated its 40th birthday, Facebook has produced something that it hopes will make certain of the devices even more useful. On April 4th the giant social network 36 Home, new software that is designed to give it more prominence on mobile phones powered by Android, an operating system developed by Google.
This matters because more and more folk are now accessing social networks from mobile devices rather than from desktop computers and because mobile advertising 37 are growing fast, albeit from a low base. Without a robust mobile 38 , Facebook could see some of its users siphoned off by rivals born in the mobile era. And it could miss out on a 39 massive source of new revenue.
There had been 40 that Facebook was working on a phone of its own, or at least on a mobile operating system to rival Android or Apple's IOS. But dabbling in hardware at this stage of its development would be a huge risk for Facebook and developing a rival operating system would risk 41 Apple and Google, whose mobile platforms have helped power its advertising growth, eMarketer, a research firm, 41 Facebook is on track to win 11% of the $13.6 billion likely to be spent around the world on mobile ads this year.
Home, which is a group of Facebook apps, avoids both pitfalls. Among other things, it 43 a phone's home screen ( and lock screen) to Facebook's Newsfeed, allowing people to get updates on what their friends are doing without having to launch a 44 app each time they want news. A phone using Home will also notify you when your friends are doing something new, as well as alerting you to new data from other apps. Another feature is a tool called "Chat Heads" that 45 Facebook's message system to a phone's regular SMS message offering. This means messages pop up on the home screen along with the sender's profile picture, which is enclosed in a small circle.
[A] alienating
[B] assumption
[C] attendance
[D] combines
[E] converts
[F] dedicated
[G] deliberate
[H] equivalently
[I] potentially
[J] persence
[K] reckons
[L] revenues
[M] speculation
[N] uncovered
[O] unveiled
参考答案：
36.O。详解 空格所在句缺少谓语，且有时间状语on April 4th，故应填入动词过去式。本句意为“4月4日，这家社交网络巨头__________了它的新软件——Home(主屏)”，O)unveiled“使公之于众”符合句意，故为答案。
37.L。详解 空格位于形容词mobile advertising与谓语动词are growing之间，应填入名词复数形式。备选名词中只有一个复数形式的名词，结合句意“尽管基数较低，但移动广告——快速增长”可知，L)revenues“收入”为答案。
38.J。详解 空格位于形容词后，且前面有不定冠词a，故应填入单数可数名词。结合句意“如果没有一个稳定的移动平台的，脸谱网可能会眼看着它的一些用户被竞争对手夺 走。”可知，J)presence“存在”与文意相符，故为答案。备选名词中，attendance“出席”，assumption“假设”和 speculation“猜测”均与文意不符，故排除。
39.I。详解 空格位于形容词massive之前，应填入副词。根据上下文可知，本句意为“而且它可能错失新税收的重要来源”。potentially“可能地”，与文 意相符，故为答案。备选副词中，I)equivalently意为“相当地”，与文意不符，故排除。
40.M。详解 空格前是系动词be，空格后应该是that引导的同位语从句，应填入名词。结合句意“据__________ ，脸谱网正在开发自己的手机应用”可知，M)speculation“猜测”与文意相符，故为答案。备选名词中，assumption“假设”和 attendance“出席”均与文意不符，故排除。
41.A。详解 空格位于动词risk后，应填入动词-ing形式。备选动词中只有一个-ing形式alienating，结合句意“开发具有竞争力的操作系统可能会有疏远苹果、谷歌与脸谱网关系的风险”可知，A)alienating“使疏远”为答案。
42.K。详解 空格后为完整句子，前有单数名词E-Marketer，可知应填入第三人称单数动词作谓语。结合句意“E-Marketer，一个研究公司，脸谱网正在赢 得130.6亿全球广告业中的11%”可知，K)reckons“认为”与文意相符，故为答案。备选动词中还有combines“把……与……联系起来” 和converts “改变”为第三人称单数，但均不符合文意，故排除。
43.E。详解 空格所在句缺少谓语，且主语为单数名词，因此应填入动词的第三人称单数形式，且可与介词to搭配使用。结合句意“除此之外，它还将手机的主屏幕(及锁屏界 面) __________脸谱网的信息流”可知，converts…to“转变为”符合文意，故E)为答案。备选动词中还有combines…to“把…… 与……联系起来”，但与文意不符，故排除。
44.F。详解 空格位于不定冠词a与名词app之间，故应填入形容词。结合句意“Facebook’s News feed使得人们在想看消息时不必使用某个__________应用软件就能知道朋友们的即时消息”可知，F)dedicated“专门的”与文意相符， 故为答案。备选形容词deliberate“故意的”与文意不符，故排除。
45.D。详解 空格所在从句缺少谓语动词，且that在从句中充当主语，应填入动词的第三人称单数形式，且可与介词to搭配使用。结合句意“一款名为Chat Heads(聊天头像)的工具是其另一特点，它将脸谱网的信息系统与手机的普通短信服务系统的信息”可知，combines…to“把……与……联系起 来”与文意相符，故D)为答案。
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