The research team carried out almost two hundred tests with two different robotic arms. The two individuals were able to pick up their target objects forty-three to sixty-six percent of the time. The researchers are calling the information very promising. But they say it will take years to fully develop the technology for everyday use.

　　68. The research project BrainGate2 aims to ________.

　　A. help people make better use of their brain

　　B. help paralyzed people master computer skills

　　C. help people make better use of their arms and legs

　　D. help paralyzed people serve themselves

　　69. In the project, researchers used small sensors on the two paralyzed people to ________.

　　a. measure their brain activity

　　b. receive digital commands

　　c. send information to a computer

　　d. turn information into digital commands

　　A. a-b B. b-c

　　C. a-c D. c-d

　　70. According to the last paragraph, we can learn that the technology ________.

　　A. is very easy to be fully developed

　　B. is very disappointing to the researchers

　　C. will only be used by rich people at first

　　D. cannot be developed for everyday use in the near future

　　答案与解析

　　【解题导语】

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