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1、2020年职称英语理工类备考模拟试题之阅读理解 3 Pool Watch Swimmers can drown in busy swimming pools when lifeguards fail to notice that they are in trouble A report says that on average 15 people drown in British pools each year but many more suffer major injury after getting into difficulties Now a French company has d
2、eveloped an artificial intelligence system called Poseidon that sounds the alarm when it sees someone in danger of drowning When a swimmer sinks towards the bottom of the pool the new system sends an alarm signal to a poolside monitoring station and a lifeguard s pager 呼机 In trials at a pool in Ance
3、nis near Nantes it saved a life within just a few months says Alistair McQuade a spokesman for its maker Poseidon Technologies Poseidon keeps watch through a network of underwater and overhead video cameras AI software analyses the images to work out swimmers trajectories 轨迹 To do this reliably it h
4、as to tell the difference between a swimmer and the shadow of someone being cast onto the bottom or side of the pool It does the same with an image from another camera viewing the shape from a different angle If the two projections are in the same position the shape is identified as a shadow and is
5、ignored But if they are different the shape is a swimmer and so the system follows its trajectory To pick out potential drowning victims anyone in the water who starts to descend slowly is added to the software s pre alert 预先警戒 list says McQuade Swimmers who then stay immobile on the pool bottom for
6、 5 seconds or more are considered in danger of drowning Poseidon double checks that the image really is of a swimmer not a shadow by seeing whether it obscures 使模糊 the pool s floor texture when viewed from overhead If so it alerts the lifeguard showing the swimmer s location on a poolside screen The
7、 first full scale Poseidon system will be officially opened next week at a pool in High Wycombe Buckinghamshire One man who is impressed with the idea is Travor Baylis inventor of the clockwork 时钟装置 radio Baylis runs a company that installs swimming pools and he was once an underwater escapologist 脱
8、身杂技演员 with a circus 马戏团 1 say full marks to them if this works and can save lives he says 11 AI means the same as A an image B an idea C anything immobile D artificial intelligence 12 To save a life AI software must be able to A descend in the water B videotape every movement C distinguish between a
9、 swimmer and a shadow D save a life within a few months 13 How does Poseidon save a life A It orders an underwater robot to rescue the drowning swimmer B It alerts the lifeguard C It displays the swimmer s shadow on the screen D It watches the pool through dozens of overhead cameras 14 Which of the
10、following statements about Travor Baylis is NOT true A He owns a swimming pool B He invented the clockwork radio C He was once an entertainer D He runs a company 15 How does Baylis look at the Poseidon system A He thinks it is too expensive B He thinks it is a good system C He thinks it is not efficient enough D He thinks it is as good as the British pool Watch system
