单选题
Google already has a window into our souls through our Internet searches and it now has insight into our ailing bodies too. The Internet giant is using its vast database of individual search terms to (1) the emergence of flu up to two weeks (2) government epidemiologists. Google Flu Trends uses the (3) of people to seek online help for their health problems. By tracking (4) for terms such as "cough", "fever" and "aches and pains", it claims to be able to (5) estimate where flu is (6) . Google tested the idea in nine regions of the US and found it could accurately predict flu (7) between 7 and 14 days earlier than the federal centres for disease control and prevention. Google hopes the idea could also be used to help (8) other diseases. Flu Trends is limited (9) the US. Jeremy Ginsberg and Matt Mohebb. Two software engineers (10) in the project, said that (11) in Google search queries can be very (12) . In a blog post on the project they wrote: "It turns (13) that traditional flu surveillance systems take 1 to 2 weeks to collect and (14) surveillance data but Google search queries can be (15) counted very quickly. By making our estimates (16) each day, Flu Trends may provide an early-warning system for outbreaks of influenza." They explained that (17) information health would be kept (18) . "Flu Trends can never be used to identify individual users (19) we rely on anonymised, aggregated counts of how of ten certain search queries (20) each week./
【答案解析】[解析] 考查逻辑关系。根据文章第二段第一句中it could accurately predict flu ______ between 7 and 14 days earlier than the federal centres for disease control and prevention可知,研究者发现它可以准确地预测流感的发生,比疾病控制预防中心发布的流感信息还要早7~14天,此处根据同义词复现原则,earlier对应before,因此C.before正确。
单选题
A. tendency B. adaptability C. adoptability D. direction
单选题
A. reluctantly B. accurately C. deceptively D. suitably
【正确答案】
B
【答案解析】[解析] 考查副词辨析。根据文章第二段第一句中Google tested the idea in nine regions of the US and found it could accurately predict flu...可知,Google可以准确地预测流感,又根据原词复现原则,B.accurately意为“正确地,精确地”,符合题意,为正确答案。其他三项reluctantly意为“不情愿地”,deceptively意为“迷惑地”,suitably意为“合适地”,均不符合题意。
单选题
A. calculating B. circling C. circulating D. cycling