Ⅴ.阅读理解
Researchers at Oregon State University(OSU)have made important progress in work that should lead toward robots that can not only walk and run very well，but use little energy at the same time.
Studies are moving closer to designing robots that could do dangerous work，create prosthetic limbs(假肢)for humans that work much better than in the past，or even help some people who use wheelchairs to get“walking”abilities.
“Researchers have been working toward robot movement for a long time，”said Jonathan Hurst，a professor at OSU.“What we’ve done is to study what behavior is really possible for a robot.”
The movement of humans and other animals is difficult to copy.Using little energy，they can move easily over hard areas，and enjoy balance from muscles(肌肉)．They have different ways to deal with forces，such as holding something hard in place rigidly(牢牢地)，like the act of holding a cup of coffee level during a car ride.In their recent studies，the OSU researchers proved that these two_abilities are mutually exclusive(相互排斥的)．Humans deal with this problem by using pairs of muscles.For a robot，the more it’s able to do one of these tasks，the less able it is to do the other.
Presently，robots that can walk and run must be as rigid as possible while walking.But this way uses a lot of energy.The OSU researchers are working toward something that has similar or better performance，but uses far less energy，and is closer to the abilities of animals.
“So there’s no reason why we shouldn’t be able to build robots with good movement ability，”Hurst said.“Clearly this might be useful in highly dangerous situations.But I could also see great improvements possible with prosthetic limbs that work much better than present technology.”
【解题导语】 如何使机器人不但能够走得好跑得好，而且还消耗较少的能量，这是摆在科学家面前的一个大问题。Oregon State University的研究者们正对此进行研究。
1．The robots being studied by researchers at OSU________.
A．are successful now
B．use little energy
C．do better than before
D．can run faster than humans
解析：选C。细节理解题。文章第一段指出，Oregon State University的研究者们所研究的机器人仍然处于研究阶段，文章只是表明取得了很大的进步。因此，对于其性能怎么样还很难确定。故答案选C。
2．Which of the following have researchers been studying all the time?
A．The robots’ movement.
B．The robots’ weight.
C．The robots’ sizes.
D．The robots’ walking speed.
解析：选A。细节理解题。根据文章第三段的What we’ve done is to study what behavior is really possible for a robot可知，研究者们一直在研究机器人可以做哪些动作。故答案选A。
3．The underlined words“two abilities”in Para.4 refer to________.
A．walking and running
B．walking and holding
C．moving and using little energy
D．moving and balancing
解析：选D。词义猜测题。根据文章第四段的Using little energy，they can move easily over hard areas，and enjoy balance from muscles.可知，人类和动物在运动时能够保持身体平衡，因此，后面提到的这两项能力就是指的这两项。故答案选D。
4．According to Jonathan Hurst，we know that robots with good movement ability________.
A．can be used in medical science
B．are only used in highly dangerous situations
C．will hardly be created in the future
D．will have a bad influence on man
解析：选A。推理判断题。根据文章最后一段Jonathan Hurst所说的话，很长时间以来，制造出这样的机器人不是不可能，它们将有助于高危险区作业，也可用于假肢方面(医学)。故答案选A。
5．Which section of a newspaper is this passage probably taken from?
A．Business. B．Science.
C．Environment. D．Advertisement.
解析：选B。文章出处题。该文介绍了Oregon State University的研究者们对机器人的最新研究，因此该文最有可能从与科学相关的栏目中摘选，故选B。
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