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  3. If the online service is free then you are the product, technicians say. Google and Facebook make a【C1】________collecting person

If the online service is free then you are the product, technicians say. Google and Facebook make a【C1】________collecting person

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问题     If the online service is free then you are the product, technicians say. Google and Facebook make a【C1】________collecting personal information to help them target their advertisements more【C2】________Free smart-phone apps typically【C3】________all the data they can, such as the person’s location or their【C4】________address book.
    More than ever, individual privacy is【C5】________threat. Julia Angwin, who oversaw a pioneering series of Wall Street Journal articles called "What They Know", starting last year,【C6】________many of the questionable activities that damage privacy—activities that most people know nothing about. Hundreds of unregulated data-agents【C7】________in America, for example, selling personal files to marketing companies. One company runs a fleet of camera—equipped cars that【C8】________the number plates of 1 million vehicles a month, mostly to find those wanted for repossession—【C9】________it sells the data to insurers or private investigators as well.
    Ms Angwin condemns this shadowy business. Her book tracks her attempts to【C10】________it. She gets a credit card using a fake name; she uses a(n)【C11】________ search engine and conceals her e-mail and texts; she leaves Linkedln. When she turns off basic web-browsing functions that enable tracking she becomes digitally【C12】________Amazon items appear to be out of【C13】________ and she is unable set up an appointment at an Apple store. "My daughter would stand next to me and laugh while I tried to【C14】________a page and browse through all the【C15】________," she writes.
    Yet "Dragnet Nation" has its【C16】________. It ignores how exciting the【C17】________uses of personal data can be to companies, governments and NGOs. It mixes state scrutiny and privacy-damaging business practices, weakening the study of both. Ms Angwin’s analysis of the problems and【C18】________regulatory remedies is shallow, and her attempts to【C19】________the dragnet eventually become wearisome. Her【C20】________is to have made herself a subject in an experiment to avoid the scrutiny found everywhere. But the real story about the economy of personal information and protecting privacy in an age of big data has yet to be written.
【C20】
选项 A、suggestion
B、contribution
C、mistake
D、expectation
答案B
解析 本句的表语用于描述空格处词语，因此该词应能体现表语所体现的意义：have made herself a subject in an experiment to avoid the scrutiny found everywhere，安格文将自己当成实验的试验品，努力逃避无所不在的监控具有现实意义，contribution意为“贡献”，符合此处语境，故选B项。A项suggestion意为“建议”，将自己当成实验的试验品不是她的建议，而是她所尝试的方法。C项mistake意为“错误”，无法体现她此举的意义。D项expectation意为“期望”，从have made判断，所说内容应已经完成，而不是将来的期望。
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