[填空题]The internal workings of the brain can be replicated by robots.

[单项选择]Very often, the human eye and brain can recognize familiar shapes even if all but a few significant points are left out. It is this creative power of the human eye and brain that may someday allow profoundly deaf people to talk in sign language over a special "telephone". Researchers have found that thirteen spots of light on each hand and one spot on the nose--to show head motion and provide a reference point for hand position--are sufficient for the performing of American Sign Language. The bright spots are produced by attaching pieces of a special tape to the nose, fingertips, and wrists and adjusting a closed-circuit television system so that only the bright spots appear on the screen of the receiver. After a few minutes of familiarization, pairs of deaf people are able to communicate freely over television. Deaf people and other sign readers can, of course, understand sign language on commercial television. But widespread link-ups of television systems for personal communication a
A. less than an hour
B. a day
C. more than an hour
D. a week

[填空题]The human brain can do a lot of wonderful things; many of them include 　1　 mastery of complex feedback systems with long 　2　 For example, consider how difficult raising a child truly is. Many factors are 　3　 , including the nutritional, physical, emotional and mental condition of the child, and the feedback of these factors 　4　 the behavior of those involved in raising the child. To 　5　 matters, many of the responses of the child/parent "system" take years to 　6　 themselves. Yet billions of parents have somehow 　7　 to feed, clothe, protect, nurture, heal, teach, and love their children 　8　 successful adulthood. 　　 　9　 all our intuitive sophistication in dealing with complicated situations, it’’s a 　10　 to see how poorly we deal with some newer systems, most of 　11　 brought about by technology. 　　Both raising children and protecting Earth’’s life-support systems are 　12　 of life and death; in the long term, they are equally important. But 　13　 our brains seem fairly well prepared for
A. A．surprise
B． wonder
C． chaos
D．confusion