C.They made up their minds to be teachers.
D.They worked together to make their life better.
解析 主旨大意题。第四段中讲到在天鹅毛的倡议下他们共同努力把它们的故事写下来从而改变了他们的生活故选D。答案 Dng teacher became an artist.
解析 推理判断题。根据文章倒数第二段中的When lessons began he told the story to his pupils可以推出那位年轻教师的课受到答案 BB
体裁:说明文 话题:医疗科学 时间:8分钟(2017·济宁市月考)Researchers have been able to translate brain signals into speech using sensors attached to the surface of the brain for the first time.(瘫痪的麻痹的)patients who cannot speak and could eventually lead to being able to read anyone's thoughts.d working,” said Professor Bradley Greger,a bioengineer at Utah University who led the team of researchers.“I would call it brain reading and we hope that in two or three years it will be available for use for paralyzed patients.”
The experimental breakthrough came when the team attached two button-sized grids of 16 tiny electrodes(电极)to the speech centers of the brain of an epileptic(癫痫的)patient.The sensors were attached to the surface of the brain.The patient had had part of his skull(颅骨)removed for another operation to treat his condition.
Using the electrodes,the scientists recorded brain signals in a computer as the patient repeatedly read each of 10 words that might be useful to a paralyzed person:yesess.Then they got him to repeat the words to the computer and it was able to match the brain signals for each word 76 percent to 90 percent of the time.The computer picked up the patient's brain waves as he talked and did not use any voice recognition software.
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