高考英语 考前突破阅读理解能力 美国国安局被曝30天拦截1240亿通讯数据素材

美国国安局被曝 30 天拦截 1240 亿通讯数据The National Security Agency monitored nearly 125 billion phone calls in just one month, according to a number of new reports.西方多家新闻机构近日连续报道美国国家安全局（NSA）在全球范围内进行电话监听，称国安局在短短 30 天的时间里就拦截记录了超过 1240 亿份电话通讯数据。 And while the majority of calls reportedly originated in the Middle East, an estimated 3 billion of the calls originated in the U.S. According to a collection of the reports and leaked classified government files, the monitored calls took place throughout the month of January 2013 and tallied to 124.8 billion. Cryptome, a site that posts government and corporate documents, combined the various documents and says the largest share of calls originated in Afghanistan (21.98 billion) and Pakistan (12.76 billion). Elsewhere in the Middle East, billions of calls were monitored in Iraq (7.8 billion), Saudi Arabia (7.8 billion), Egypt (1.9 billion), Iran (1.73 billion) and Jordan (1.6 billion). So, if true, how did the U.S. successfully intercept so many phone calls from around the world? Another document posted by Cryptome on Wednesday purports to show a graph released by the NSA's PRISM program. The graph explains that many "target" international calls pass through U.S. carriers because they are less expensive. "A target's phone call, email or chat will take the cheapest path, not the physically most direct route," the graph explains. "You can't always predict the path. Your target's communication could easily be flowing into and through the U.S." On Wednesday, the White House denied claims that German Chancellor Angela Merkel's calls from her personal cellphone were among 361 million calls in Germany that were repo...