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【单选题】
'Lost City' Explored Using High-Speed Networks Undersea exploration is now as close as the nearest computer. 'Telepresence' (远程呈现) technology lets scientists -- and the public -- join expeditions without leaving dry land. A just completed expedition to the Lost City, an unusual undersea vent formation in the Atlantic Ocean, showcased the technology. The project used a network of satellites and high-speed Internet access to connect participants across many miles of land and sea. During the expedition undersea explorer Robert Ballard and the crew aboard the National Ocean ic and Atmospheric Administration (NOAA) research ship Ronald H. Brown were anchored above the Lost City site. Meanwhile co-chief scientist Debbie Kelley and her colleagues were some 4,500 miles (7,250 kilometers) away on the University of Washington campus in Seattle. At launch on July 17 Ballard described the project as a 'precedent-setting ocean expedition that raises the bar on use of communications technology.' 'Normally on a deep-ocean expedition, I talk with the mission's chief scientist across a table on the research vessel,' he said. 'In this case we talk across the planet.' Ballard's Institute for Exploration (IFE) in Mystic, Connecticut, supplied its veteran robotic vehicles, Hercules and Argus, to do the diving. The robots sent high-resolution images taken some 2,100 feet (700 meters) below the surface to the Ronald H. Brown. The images were transferred via satellite from the ship to receivers at the University of Rhode Island in Kingston. They were then sent across country to the team at the University of Washington. All told, data from the Lost City travelled nearly 5,000 miles (8,050 kilometers) in less than two seconds. Technology Boosts 'Crew' Size, Expertise Real-time deep-sea images have been beamed around the globe before. Ballard, who discovered the undersea wreck of the Titanic in 1985 ,returned to the site in 2004 and sent images to scientists at the University of Rhode Island. But this time the lead scicentists directing the expedition's research operations joined the dive virtually. 'We had a team of engineers and pilots who controlled the remotely operated vehicles (ROVs) and were taking instructions at all times from the University of Washington ( science team),' Dwight Coleman said. Coleman is a professor of marine science at the University of Rhode Island and a colleague of Ballard's at IFE. Only so many people can live aboard a research ship. And although a large vessel may accommodate a science party of 30, half must be engineers who maintain and operate the ROVs. The number of researchers is thus limited by ship space, as well as by scheduling, budgets, and other real-world concerns. Telepresence provides an intriguing(令人好奇的) solution. 'When you're doing exploration, you're never sure what expertise you'll need, because you're never sure what you'll find,' Coleman said. 'This technology provides the capability to network in experts on a specific subject from around the world. You can invite everybody aboard the ship.' The technology seems to have a bright future. NOAA is converting a former U. S. Navy vessel, the U. S. N. S. Capable, into a research vessel dubbed the Okeanos Explorer (okeanos is the ancient Greek term for 'ocean' ). The ship will be specially outfitted for future telepresence missions. Of course, telepresence technology isn't exactly like being at sea. In her online expedition log, co-chief scientist Deborah Kelley described the nearly surreal scene as Hercules first touched bottom. Kelley and her science team watched the action via cameras carried by. Argus, hovering some 100 feet (30 meters) above the seafloor. 'This was a view like no other I
A.
Y
B.
N
C.
NG
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【单选题】梗阻性黄疸时,B超显示胆总管和肝内胆管均不扩张,为明确诊断应做
A.
PTC
B.
ERCP
C.
CT
D.
MRI
E.
低张十二指肠造影
【多选题】《塔木德》是犹太人的智慧全集,下列能反映犹太人财富智慧的是( )。
A.
从小树立理财观念
B.
财富是赚出来的
C.
节流不可小觑
D.
人赚钱很慢,钱生钱很快
E.
只有勤劳才能致富
【单选题】招标人和中标人应当在中标通知书发出之日( )日内、按照投标文件和中标人的投标文件订立书面合同。
A.
7
B.
15
C.
30
D.
40
【单选题】关于希伯来人、以色列人、犹太人,下列说法不正确的是()?
A.
没有任何差异
B.
在历史发展各个时期的标签
C.
被赋予的不同的历史和文化含义
【判断题】不应计入管理费用的有生产设备改良支出,经营租出专用设备的修理费。
A.
正确
B.
错误
【单选题】梗阻性黄疸时,B超显示胆总管和肝内胆管均无扩张,为明确诊断应选择的检查是
A.
放射性核素胰腺扫描
B.
PTC
C.
低张十二指肠造影
D.
ERCP
【简答题】书面表达。 请根据下面书面通知的内容,将旅行计划用口头通知的形式向你班同学转达。 Time: 7:30 a.m, Saturday (April 14) Place: the People's Park Transport(交通工具): bus Arrival time: 8:30 a.m Programme: rowing boats, swimming, English Corner, oth...
【单选题】梗阻性黄疸时B超显示胆总管及肝内胆管均不扩张,为明确诊断应做
A.
CT
B.
MRA
C.
PTC
D.
MRCP
E.
低张十二指肠造影
【多选题】《塔木德》是犹太人的智慧全集,下列能反映犹太人财富智慧的是( )。
A.
从小树立理财观念
B.
财富是赚出来的
C.
节流不可小觑
D.
人赚钱很慢,钱生钱很快
【简答题】VII.书面表达(共1题;满分15分) 根据下面的图,用英语写一篇关于明明的短文。词数100左右。 参考词汇:修补 mend 运动衫  T-shirt ____________________________________________________________________________________________________________________________...
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