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1. sales of previously owned homes have slipped every month since july, according to the national association of realtors. that coincides with the surge in borrowing costs across the economy as a result of the fed's signals about its bond-buying program.

2. more recently, however, general motors made a self-driving car in 1958 that adjusted its steering wheel based on the alternating currents given off by a wire placed inside the road. while the vehicle did actually drive itself, it does not qualify as the first autonomous vehicle because it depended on wires placed inside the ground. the world's first autonomous vehicle was made by s. tsugawa and several of his colleagues at japan's tsukuba mechanical engineering laboratory. however, german engineer ernst dickinson is regarded as the pioneer of the autonomous car. in 1987, he developed the vamors which was capable of traveling more than 90 kilometers per hour (55 mph) for about 20 kilometers (12 mi). seven years later, he made the vamp, which could recognize road signs, know its own position in a lane, detect other vehicles, and even decide when to change lanes. and a year after that, he and his team made another autonomous vehicle which traveled from germany to denmark. the vehicle had a maximum speed of 180 kilometers per hour (111 mph) and was controlled by a human for about 5 percent of the journey.

3. landline

4. 爆发冲突的潜在可能性，将迫使中国和美国在不断变幻的环境中重新定义各自的角色，双方都对这种环境感到不安。美国大选期间的反华情绪将使紧张气氛加剧。亚洲国家将勾勒出这两个大国的影响力范围，但考虑到各国的利益各有不同，取决于各自的具体关切，联盟的构成也将变化。

5. 根据中国海关的数据，10月铁矿石进口量较上月环比下降12.3%，同比下降4.9%，而煤炭进口环比下降21.4%，同比下降30.7%。

6. 在此次颁奖典礼上，麦肯锡全球董事总经理鲍达民(dominic barton)在典礼上还颁发了“布拉肯贠尔”青年商业作家奖(bracken bower prize for young business writers)，获奖者为克里斯托弗克利尔菲尔德(christopher clearfield)和安德拉什舠尔奇克(andrás tilcsik)。他们计划出版的图书将会探索企业如何能够管控发生灾难性失败的风险。该奖项面向35岁以下作者，专门颁发给那些探讨增长所构成的挑战和机遇的商业图书计划，奖金为1.5万英镑。

应用

1. demo人民 -ic…的]→人口统计的

2. i empathize with the mavs' position. it's tough to tell your fans that all hope is lost in november, and it's especially tough when you've got a hall of famer still on your roster.

3. certainly, the emails have already started flooding in celebrating various products in shades of rose quartz and serenity. but i wonder: are we suddenly going to see a host of blended pastel ties, as opposed to the currently popular red and blue, popping up in the next round of presidential debates? place your bets now.

4. optimistic

5. just because the job market is tough doesn't mean it's impossible. "you have to work harder at the job search," challenger said.

6. there is a natural human tendency to idealize and whitewash days of yore, to cast them in the rosy glow of the mind’s eye.

旧版特色

1. with his technical genius and startup launched, he's not planning on going back and finishing high school, either."this is my third time applying for the fellowship. i first applied when i was 14," he said. "i told my parents when i first applied and they weren’t really supportive. but then they kind of saw what i was doing in high school, i wasn’t spending my time as effectively as i could. i started spending more of my time at mit and they understood. when i did receive the fellowship, they were supportive."fortunately for sohmers, he's in good hands. he's part of class no. 3 and thiel fellows have a promising track record so far: it's launched 67 companies that have created 135 full-time jobs and raised $55.4 million in angel and venture funding, the wall street journal's lora kolodny reports.at 17, sohmers is unconcerned that being a high-school dropout will affect his career in any way."if i don’t end up changing the world with this i can find something else," he said. "people think that there’s a big thought war between these two sides [education versus entrepreneurship]. but when it comes to the researchers, they care less about the degrees that you have, and more about what you can actually do."

2. colliding neutron stars

3. splashdata发布这份榜单是为了鼓励大家使用复杂的密码。摩根·斯兰还说道：“和往常一样，我们还是希望通过了解使用简单密码存在很大风险，大家能设立比较严谨的密码来保护自己，并在不同的网站上使用不同的密码。”