大学英语 阅读理解　　　A special research team organized and sent out f

大学英语 阅读理解
　　　A special research team organized and sent out from the local medical center to perform experiments on completely blind infants.The test samples included twenty completely blind infants,who lived at home with their mothers or families.The research workers would visit the infants and closely observe the development of their senses and behavior every two weeks.
　　　In most cases,the research workers tested the responses of the blind infants to different stimuli common in the family environment.Generally speaking,a normal baby would react with smiles and laughter to tickling,to the voice of a relative,and to hugging from his family.His reactions were swift and fleet.Nevertheless,most of the blind infants,according to the experiments,responded to stimuli impassively.In fact,they were apathetic and indifferent to any sound.But under some special circumstances,some of them were able to react to the sound of their mothers with a smile.Usually,their response was very slow and phlegmatic.
　　　The tests were conducted over a nine-month period; they began when the blind infants were one month old and ended when they were ten months old.
According to this passage the blind infants_____.
　A.were taken to live with the research workers
　B.lived at home with their mothers
　C.were tested at the medical center
　D.were members of large families
The responses of the blind infants to the stimuli _____.
　A.were the same as the normal infants
　B.were different at first but later the same as the normal infants
　C.were slower than normal infants
　D.were swift and speedy
Which of the following statements is true?
　A.A normal baby responded to stimuli impassively
　B.A normal baby’s reaction to the sound was phlegmatic
　C.A group of nurses took care of the blind infants at the medical center
　D.Some of the blind infants were able to respond to their mother’s voice
How were the experiments conducted?
　A.The scientists tested them at the medical center.
　B.The blind infants were visited by research workers every two weeks.
　C.The blind infants were made to compare with the normal infants.
　D.Their mothers were invited to tickle them.
According to the passage,the blind infants_______.
　A.reacted with smiles to hugging from their mothers
　B.were tested for almost a year
　C.lacked in feeling to the sound
　D.were happy with their families

答案：B C D B B