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¡¡¡¡One day she ordered a(n)__2__breakfast.Once they finished eating and were heading out of the door£¬she__3__£¬said good morning to a homeless man sitting outside of the__4__£¬and gave him the breakfast she had ordered for him.He__5__her£¬telling her it was his first meal during the last several__6__.She couldn¡¯t help but feel__7__and was glad she finally took__8__.
¡¡¡¡She told her son that she had seen the man every day that week there and that__9__£¬herself included£¬had offered him__10__£¬support£¬food£¬or drink.She__11__explained that homelessness could happen to anyone and that it was important to__12__needy people.
¡¡¡¡So her ¡°Tradition of Kindness¡± __13__.Each day she and her son went on to__14__the homeless man breakfast.The__15__was kept until they moved away several years later£¬__16__the experience was firmly put into her son¡¯s mind.
¡¡¡¡My friend__17__every time she tells me ¸ß¶þ that this ¡°Tradition of Kindness¡± goes on with her son£¬who remembers this__18__tradition.Now working in a company£¬her son stops every morning at Starbucks for a coffee and offers a homeless person a breakfast before going to the__19__.
¡¡¡¡What a great tradition that he can__20__to his children as well!
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¡¡¡¡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(¼ÙÖ«)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(¼¡Èâ)£®They have different ways to deal with forces£¬such as holding something hard in place rigidly(ÀÎÀεØ)£¬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(Ï໥ÅųâµÄ)£®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.¡±
¡¡¡¡¡¾½âÌâµ¼Óï¡¿ ÈçºÎʹ»úÆ÷È˲»µ«Äܹ»×ߵúÃÅܵú㬶øÇÒ»¹ÏûºÄ½ÏÉÙµÄÄÜÁ¿£¬ÕâÊÇ°ÚÔÚ¿Æѧ¼ÒÃæÇ°µÄÒ»¸ö´óÎÊÌâ¡£Oregon State UniversityµÄÑо¿ÕßÃÇÕý¶Ô´Ë½øÐÐÑо¿¡£
¡¡¡¡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
¡¡¡¡½âÎö£ºÑ¡C¡£Ï¸½ÚÀí½âÌâ¡£ÎÄÕµÚÒ»¶ÎÖ¸³ö£¬Oregon State UniversityµÄÑо¿ÕßÃÇËùÑо¿µÄ»úÆ÷ÈËÈÔÈ»´¦ÓÚÑо¿½×¶Î£¬ÎÄÕÂÖ»ÊDZíÃ÷È¡µÃÁ˺ܴóµÄ½ø²½¡£Òò´Ë£¬¶ÔÓÚÆäÐÔÄÜÔõôÑù»¹ºÜÄÑÈ·¶¨¡£¹Ê´ð°¸Ñ¡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.
¡¡¡¡½âÎö£ºÑ¡A¡£Ï¸½ÚÀí½âÌâ¡£¸ù¾ÝÎÄÕµÚÈý¶ÎµÄWhat we¡¯ve done is to study what behavior is really possible for a robot¿ÉÖª£¬Ñо¿ÕßÃÇÒ»Ö±ÔÚÑо¿»úÆ÷ÈË¿ÉÒÔ×öÄÄЩ¶¯×÷¡£¹Ê´ð°¸Ñ¡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
¡¡¡¡½âÎö£ºÑ¡D¡£´ÊÒå²Â²âÌâ¡£¸ù¾ÝÎÄÕµÚËĶεÄUsing little energy£¬they can move easily over hard areas£¬and enjoy balance from muscles.¿ÉÖª£¬ÈËÀàºÍ¶¯ÎïÔÚÔ˶¯Ê±Äܹ»±£³ÖÉíÌåƽºâ£¬Òò´Ë£¬ºóÃæÌáµ½µÄÕâÁ½ÏîÄÜÁ¦¾ÍÊÇÖ¸µÄÕâÁ½Ïî¡£¹Ê´ð°¸Ñ¡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
¡¡¡¡½âÎö£ºÑ¡A¡£ÍÆÀíÅжÏÌâ¡£¸ù¾ÝÎÄÕÂ×îºóÒ»¶ÎJonathan HurstËù˵µÄ»°£¬ºÜ³¤Ê±¼äÒÔÀ´£¬ÖÆÔì³öÕâÑùµÄ»úÆ÷È˲»ÊDz»¿ÉÄÜ£¬ËüÃǽ«ÓÐÖúÓÚ¸ßΣÏÕÇø×÷Òµ£¬Ò²¿ÉÓÃÓÚ¼ÙÖ«·½Ãæ(ҽѧ)¡£¹Ê´ð°¸Ñ¡A¡£
¡¡¡¡5£®Which section of a newspaper is this passage probably taken from?
¡¡¡¡A£®Business. B£®Science.
¡¡¡¡C£®Environment. D£®Advertisement.
¡¡¡¡½âÎö£ºÑ¡B¡£ÎÄÕ³ö´¦Ìâ¡£¸ÃÎĽéÉÜÁËOregon State UniversityµÄÑо¿ÕßÃǶԻúÆ÷È˵Ä×îÐÂÑо¿£¬Òò´Ë¸ÃÎÄ×îÓпÉÄÜ´ÓÓë¿ÆѧÏà¹ØµÄÀ¸Ä¿ÖÐժѡ£¬¹ÊÑ¡B¡£