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  3. In Maryland, Texas, Virginia and other states, Netflix’ s chief, Reed Hastings, is championing a popular math-teaching program w

In Maryland, Texas, Virginia and other states, Netflix’ s chief, Reed Hastings, is championing a popular math-teaching program w

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问题    In Maryland, Texas, Virginia and other states, Netflix’ s chief, Reed Hastings, is championing a popular math-teaching program where Netflix-like algorithms determine which lessons students see. In the space of just a few years, technology giants have begun remaking the very nature of schooling on a vast scale, using some of the same techniques that have made their companies linchpins of the U.S. economy. Through their philanthropy, they are influencing the subjects that schools teach, the classroom tools that teachers choose and fundamental approaches to learning.
   But tech companies and their founders have been rolling out programs in America’s public schools with relatively few checks and balances, The New York Times found in interviews with more than 100 company executives, government officials, researchers, teachers, parents and students. "They have the power to change policy, but no corresponding check on that power," said Megan Tompkins-Stange, an assistant professor of public policy at the University of Michigan. "It does subvert the democratic process." Furthermore, there is only limited research into whether the tech giants’ programs have actually improved students’ educational results.
   Captains of American industry have long used their private wealth to remake public education, with lasting and not always beneficial results.What is different today is that some technology giants have begun pitching their ideas directly to students, teachers and parents—using social media to rally people behind their ideas. Such strategies help companies and philanthropists alike influence public schools far more quickly than in the past, by creating legions of supporters who can sway legislators and education officials.
   One of the broadest philanthropic initiatives directly benefits the tech industry. These efforts coincide with a larger Silicon Valley push to sell computers and software to U.S. schools, a lucrative market projected to reach $21 billion by 2020. Already, more than half of the primary and secondary school students in the United States use Google services like Gmail in school.
   But many parents and educators said in interviews that they were unaware of the Silicon Valley personalities and money influencing their schools. "We should be asking a lot more questions about who is behind the curtain," Davis said.
According to Paragraph 4, some tech leaders remake education in order to______.
选项 A、propaganda their own ideas
B、make a profit
C、create legions of supporters
D、reform education system
答案B
解析 细节题。根据题干关键词定位到文章第四段。由首句“其中一个最广泛的慈善举措是直接给科技产业带来利益的”，“……这是一个利润丰厚的市场，预计将在2020年达到210亿美元”可知，B项“获得利润”符合题意。A项“宣传自己的想法”、C项“创造支持群体”和D项“改革教育系统”在第四段中未提及，并不是他们的真正目的，故均不符合题意，故本题选B。
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