For anyone who hates doing yard work,your new best friend may have arrived.A robot can autonomously shovel snow,collect leaves and cut grass.
“We’re trying to help people not spend time on yard work,”said Steven Waelbers,the designer of the robot.“We want people to enjoy their free time with their family.”
The electric robot can run by itself in right directions with the help of two beacons (信号塔)that must be placed in the yard.The robot includes a camera and ultrasound sensor (超声传感器)that Waelbers said would stop quickly when it finds pets and people.
Owners of the robot will need to regulate the values stored in the robot.Then it will confirm the task it’s going to take.Before the robot operates by itself,an owner must manually wheel it around the yard –taking it around any obstacles like trees,bushes or mailboxes.By doing this,the robot is taught how long and wide the lawn is,and won’t accidentally destroy your rose bush or run to the neighborhood.
Once this setup is complete,and the $3,999robot has been trained on where to cut grass,rake leaves and shovel snow,it operates without any supervision.
Waelbers has always loved to build robots and play with electronics.He started work on a high-tech company after his father asked him to make a robot that would shovel snow for him.Waelbers plans to start sales in early 2017.
A.a newly-designed robot
B.The founder of a company
C.problems with a new product
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患者,65岁。以呼吸困难、发绀、恐惧、烦躁不安而急诊人院,诊断为:心脏病合并心力衰竭。
患者烦躁不安,为防止患者受伤应采取的保护措施是()。A.使用绷带
B.使用肩部约束带
C.使用双侧床挡防止坠床
D.使用双膝固定防止坠床
E.使用腹部约束带
There was once an ant that was very thirsty.It ran here and there looking for some water but could not find any.Then suddenly,when the ant was almost ready to die of thirst,a large drop of water fell on it.The ant drank the water,which saved its life.The water was actually a tear from a young girl who was crying.Because of her sadness,the tear had magical qualities and suddenly the ant could speak the language of human beings.The ant looked up and saw the young girl sitting in front of a huge pile of seeds.“Why are you sad?”asked the ant.
“I′m the prisoner of the giant,”the girl told the ant.“He won′t let me go until I′ve made three separate heaps of grain,barley(大麦)and rye(黑麦)out of this huge pile of seeds in which they are all mixed together.”
“That will take you a month!”the ant said,looking at the huge pile of seeds.
“I know,”the girl cried,“and if I haven’t finished by tomorrow,the giant will eat me for his supper!”
“Don′t cry,”the ant said,“my friends and I will help you.”
Soon thousands of ants were at work,separating the three kinds of seeds.
The next morning,when the giant saw that the work had been done,he let the girl go.
Thus it was one of her tears that saved her life.
A.Because of her sadness
B.Because she saw the ant
C.Because the giant would let her go
D.Because the giant had given her an impossible job to do.
最新试题
The fact that we work or even play in groups illustrates the point that().
图3是番禺沙湾飘色,关于沙湾飘色,哪些描述是正确的?()
According to Steven Waelbers,the robot is designed to().
He is looking after the elderly at a nursing home nowadays.()
图1这副书法作品的落款为“白沙”,请问是谁?()
图2作者此人名气很大,被誉为()。
患者烦躁不安,为防止患者受伤应采取的保护措施是()。
Which of the following about Waelbers is TRUE?()
根据原文提供的信息,下列表述不符合原文意思的一项是()
What would the giant do if the girl failed to do the work?()