单选题The swimming pool is so（）that it's safe for small children.AstableBsmoothCsuperficialDshallow
单选题
The swimming pool is so（）that it's safe for small children.
A
stable
B
smooth
C
superficial
D
shallow
参考解析
解析：
暂无解析
相关考题：
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共用题干第三篇Pool WatchSwimmers 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 developed 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 Ancenis,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. Al software analyses the images to work out swimmers' trajectories（轨迹）.To do this reliably,it has 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 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 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 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（脱身杂技演员）with a circus（马戏团）."I say full marks to them if this works and can save lives,"he says.Al means the same asA:an image. B:an idea.C:anything immobile. D:artificial intelligence.
共用题干第三篇Pool WatchSwimmers 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 developed 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 Ancenis,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. Al software analyses the images to work out swimmers' trajectories（轨迹）.To do this reliably,it has 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 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 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 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（脱身杂技演员）with a circus（马戏团）."I say full marks to them if this works and can save lives,"he says.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.
共用题干第三篇Pool WatchSwimmers 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 developed 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 Ancenis,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. Al software analyses the images to work out swimmers' trajectories（轨迹）.To do this reliably,it has 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 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 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 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（脱身杂技演员）with a circus（马戏团）."I say full marks to them if this works and can save lives,"he says.To save a life,Al software must be able toA:descend in the water.B:videotape every movement.C:distinguish between a swimmer and a shadow.D:save a life within a few months.
共用题干第三篇Pool WatchSwimmers 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 developed 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 Ancenis,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. Al software analyses the images to work out swimmers' trajectories（轨迹）.To do this reliably,it has 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 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 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 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（脱身杂技演员）with a circus（马戏团）."I say full marks to them if this works and can save lives,"he says.Which of the 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.
共用题干第三篇Pool WatchSwimmers 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 developed 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 Ancenis,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. Al software analyses the images to work out swimmers' trajectories（轨迹）.To do this reliably,it has 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 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 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 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（脱身杂技演员）with a circus（马戏团）."I say full marks to them if this works and can save lives,"he says. How does Baylis look at the Poseidon system?A:He thinks it is too expensive.B:He thinksi t 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.
What will happen on August lst?A.The council will start accepting contributionsB.Construction on the swimming pool will beginC.The opening ceremony will be heldD.Residents will participate in a town meeting
共用题干第一篇Pool WatchSwimmers can drown in busy swimming pools when lifeguards fail to notice that they are in trouble.The Royal Society for the Prevention of Accidents 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 developed an artificial intelligence system called Poseidon that sounds the alarm when it sees someone in danger ofdrowning.When a swimmer sinks towards the bottom of the pool,the new system sends an alarm signal to a pool- side monitoring station and a lifeguard's pager."In trials at a pool in Ancenis,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 overheard video cameras.Al software analy- ses the images to work out swimmers trajectories（轨道，轨线）.To do this reliably,it has to tell the difference between a swimmer and the shadow of someone being cast onto the bottom or side of the pool."The under- water environment is a very dynamic one,with many shadows and reflections dancing around."says McQuade.The software does this by"projecting"a shape in its field of view onto an image of the far wall 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 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"list,says McQuade.Swimmers who then stay immobile on the pool bottom for 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 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 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 ra- dio.Baylis runs a company that installs swimming pools一and he was once an underwater escapologist（表演 脱身术的人）with a circus. " I say full marks to them if this works and can save lives , " he says. But h"adds that any local authority spending ￡30,000一plus a on Poseidon system ought to be investing similar amounts in teaching children to swim.Al means the same as_________.A:an imageB:an ideaC:anyone in the waterD:artificial intelligence
共用题干第一篇Pool WatchSwimmers can drown in busy swimming pools when lifeguards fail to notice that they are in trouble.The Royal Society for the Prevention of Accidents 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 developed an artificial intelligence system called Poseidon that sounds the alarm when it sees someone in danger ofdrowning.When a swimmer sinks towards the bottom of the pool,the new system sends an alarm signal to a pool- side monitoring station and a lifeguard's pager."In trials at a pool in Ancenis,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 overheard video cameras.Al software analy- ses the images to work out swimmers trajectories（轨道，轨线）.To do this reliably,it has to tell the difference between a swimmer and the shadow of someone being cast onto the bottom or side of the pool."The under- water environment is a very dynamic one,with many shadows and reflections dancing around."says McQuade.The software does this by"projecting"a shape in its field of view onto an image of the far wall 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 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"list,says McQuade.Swimmers who then stay immobile on the pool bottom for 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 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 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 ra- dio.Baylis runs a company that installs swimming pools一and he was once an underwater escapologist（表演 脱身术的人）with a circus. " I say full marks to them if this works and can save lives , " he says. But h"adds that any local authority spending ￡30,000一plus a on Poseidon system ought to be investing similar amounts in teaching children to swim.What is required of Al software to save a life?A:It must be able to swim.B:It must keep walking round the pool.C:It can distinguish between a swimmer and a shadow.D:It can save a life within a few months.
共用题干第一篇Pool WatchSwimmers can drown in busy swimming pools when lifeguards fail to notice that they are in trouble.The Royal Society for the Prevention of Accidents 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 developed an artificial intelligence system called Poseidon that sounds the alarm when it sees someone in danger ofdrowning.When a swimmer sinks towards the bottom of the pool,the new system sends an alarm signal to a pool- side monitoring station and a lifeguard's pager."In trials at a pool in Ancenis,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 overheard video cameras.Al software analy- ses the images to work out swimmers trajectories（轨道，轨线）.To do this reliably,it has to tell the difference between a swimmer and the shadow of someone being cast onto the bottom or side of the pool."The under- water environment is a very dynamic one,with many shadows and reflections dancing around."says McQuade.The software does this by"projecting"a shape in its field of view onto an image of the far wall 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 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"list,says McQuade.Swimmers who then stay immobile on the pool bottom for 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 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 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 ra- dio.Baylis runs a company that installs swimming pools一and he was once an underwater escapologist（表演 脱身术的人）with a circus. " I say full marks to them if this works and can save lives , " he says. But h"adds that any local authority spending ￡30,000一plus a on Poseidon system ought to be investing similar amounts in teaching children to swim.How does Poseidon save a life?A:He plunges into the pool.B:It alerts the lifeguard.C:He cries for help.D:It rushes to the pool.
――Never thought I could see you here!――＿＿＿＿A.So did IB.Ohaven't you?C.Gladto meet youD.It's a small worl
Swimming is an all-body workout。It______small muscle groups that often get ignored in other workouts。A.helpsB.keepsC.healsD.works
Yesterday was（）day that we decided to go swimming.Asuch beautifulBso beautifulCsuch a beautifulDa so beautiful
Yesterday was（）day that we decided to go swimming.A、such beautifulB、so beautifulC、such a beautifulD、a so beautiful
问答题练习10 Today’s wealthy parents perhaps realize their riches can be more of a heavy load than a happiness to their children. So the first thing for them to consider is to ensure that their families are as rich in love as they are in money.
单选题Salesperson: Can I help you, sir? Customer: Yes, I bought this watch from you last week and I’ve been having a few problems with it. Salesperson: ______ Customer: Well, the salesperson said it was waterproof, but when I wore it in the swimming pool it was filled with water.AThat’s impossible. BI’m sure it’s all right.CDid you buy it here? DWhat’s the trouble?
问答题Practice 7 (1) Today’s wealthy parents perhaps realize their riches can be more of a heavy load than a happiness to their children. (2) So the first thing for them to consider is to ensure that their families are as rich in love as they are in money.
单选题The indoor swimming pool seems to be a great deal more luxurious than necessary.Ais necessaryBbeing necessaryCto be necessaryDit is necessary
单选题What will happen on August 1?AThe council will start accepting contributions.BConstruction on the swimming pool will begin.CThe opening ceremony will be held.DResidents will participate in a town meeting.
单选题Lisa’s parents died when she was only a small child, so she was ______ up by her grandparents.ApickedBtakenCbroughtDgrown