Have you heard of snake robots? Scientists and doctors are already using tiny snakes that coil through the human body armed with sharp surgical tools to perform operations on hearts, prostate cancer, and other diseased organs. The snake robots that carry tiny cameras, scissors and forceps, and even more advanced sensors are being developed.
The next generation of the robots will be wireless, and will explore inside your body on their own--- not attached to any cables. For now, they are powered by cables that humans control. Experts say the day is coming when some robots will roam around the body on their own. But the experts in robotics say the new creations work best when they are designed for very specific tasks.
Howie Choset has been researching and building robots, particularly snake robots. He believes that his snake robot and others like it can help reduce medical costs by making complex surgery faster and easier. Choset says his new design is smaller and more flexible than earlier models.
The size of surgical robots allows surgeons to operate with far less damage to the body, helping the patient heal faster. Choset has also built larger snake robots designed for search and rescue, or just exploration. They can climb poles and trees and then look around through a camera in the head and slither through places that humans cannot reach.
“ We sent our snake robots into these caves in the Red Sea to look for evidence of ancient Egyptian ships,” he said. “ To me, archeology is like search and rescue, but everyone has been dead for 5,000 years.”
The doctors are very excited about the potential for surgical robots to do things that humans can’t do. The variety of sensors available for surgical robots keeps expanding. As they get smaller, maybe one day they will be able to test chemicals or blood in the body, or even the electrical connections in nerves.
1.What can we learn from the first paragraph?
A．The doctors carry out surgery using snake robots mainly for heart disease.
B．The doctors are very satisfied with the new snake robots during surgery.
C．Snake robots are completely free of human control today.
D．Other supplementary appliances will be added to snake robots.
2.Which of the following is true, according to the passage?
A．Snake robots are only used in the medical field.
B．Snake robots can reduce the patients’ medical costs.
C．Scientists are uncertain about the prospects for snake robots.
D．Scientists are forced to spend a lot of time researching snake robots.
3.How can snake robots work best, according to the passage?
A．When they carry tiny cameras, scissors and forceps.
B．When they are operated by experienced doctors.
C．When they are given a wireless function.
D．When they are designed for particular tasks.
4.Why do we know about Howie Choset, according to the passage?
A．He thought snake robots of different sizes can be used for different types of surgery.
B．He thought patients’ pain had been slightly reduced with the help of snake robots.
C．He also made snake robots for search, rescue and exploration.
D．He is very interested in researching ancient Egyptian ships.
5.The writers attitude towards the new technology is ______.
A．optimistic B．doubtful C．objective D．negative
1.D
2.B
3.D
4.C
5.A
【解析】
试题分析：本文介绍了一些新式的机器人的话题，介绍了这方面的技术的发展和前景。
1.D 细节题。根据第一段前3行Scientists and doctors are already using tiny snakes that coil through the human body armed with sharp surgical tools to perform operations on hearts, prostate cancer, and other diseased organs.说明这种机器人会带着其它的一些设备进行医疗等行为，故D项正确。
2.B 细节题。根据第三段2,3行He believes that his snake robot and others like it can help reduce medical costs by making complex surgery faster and easier.说明这样的机器人那能够降低病人的治疗成本，故B正确。
3.D 细节题。根据第二段最后2行But the experts in robotics say the new creations work best when they are designed for very specific tasks.说明Ｄ正确。
4.C 细节题。根据第四段2，3行. Choset has also built larger snake robots designed for search and rescue, or just exploration.说明C项正确。
5.A 态度意图题。根据文章最后一段The doctors are very excited about the potential for surgical robots to do things that humans can’t do. The variety of sensors available for surgical robots keeps expanding. As they get smaller, maybe one day they will be able to test chemicals or blood in the body, or even the electrical connections in nerves说明作者认为随着技术的进一步发展，这样的机器人的作用会变得更大，故A正确。
考点：考查科技说明文
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