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资料：The increasing amount of personal inf

admin2022-08-02  30
问题 资料：The increasing amount of personal information that can be collected by computer programs that track how people use Facebook has been revealed by an extensive academic study.Such programs can show undisclosed private information such as Facebook users' sexuality, drug-use habits and even whether their parents separated when they were young, according to the study by the University of Cambridge academics.In one of the biggest studies of its kind scientists from the university’s team and a Microsoft-funded research center analyzed data from 58,000 Facebook users to predict traits and other information that were not provided in their profiles.The algorithms were 88 per cent accurate in predicting male sexual orientation, 95 per cent for race and 80 per cent for religion .And political leanings, personalitytypes and emotional stability were also predicted with accuracy ranging from 62-75 per cent.The study highlights growing concerns about social networks and how data trails can be mined for sensitive information even when people attempt to keep information about themselves private ：Less than 5 per cent of users were connected with explicitly gay groups.Michal Kosinksi ，one of the report’s authors told the Financial Times that the university’s techniques could easily be replicated by companies to inter personal attributes a person did not wish to share such as sexual orientation or political views:”We used very simple and generic methods :Marketing companies and internet companies could spend much  more time and resources and hence get much higher accuracy than we did.The report also revealed some unexpected correlations such as people who liked ‘curly fries’ having higher IQs while those Who like Facebook’s “Sliding on Floors With Your Socks On”page were unlikely to use drugs.The word “algorithm”in the fourth passage refers to____.A.the results of a studyB.information from the FacebookC.the number of Facebook usersD.personality types and emotional stability
选项 A.the results of a study
B.information from the Facebook
C.the number of Facebook users
D.personality types and emotional stability
答案 A
解析 本题考查的是词义解析。
【关键词】algorithm ； paragraph four； “algorithm”；in the fourth passage； refers to
【主题句】第3自然段 In one of the biggest studies of its kind scientists from the university’s team and a Microsoft-funded research center analyzed data from 58,000 Facebook users to predict traits and other information that were not provided in their profiles.在大学团队同专业的科学家和微软资助的研究中心所做的一项大型研究中，他们通过对来自58000名脸谱网用户进行分析，来预测特征和其他外表无法显现的信息。第4自然段The algorithms were 88 per cent accurate in predicting male sexual orientation…在预测男性性取向方面，该研究结果的准确率是88%……
【解析】题目意味“第四段中algorithm词义为？”选项A意为“研究结果”，选项B意为“来自脸书的信息”，选项C意为“脸书使用者数量”，选项D意为“性格类型和感情稳定度”， 根据第3自然段的主语——研究，可推断出第4自然段中algorithm的意思，可知，algorithm在此处意为研究结果，选项A符合题意。
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