题目内容

14.I found it hard to keep my balance on the icy path.

分析 我发现在结冰的路上保持平衡是很难的.

解答 答案:balance.
根据后面的地点状语on the icy path可知,在结冰的路上走路是很难保持平衡的,keep one's balance保持平衡;故答案为balance.

点评 首字母填空题考查的是词汇的记忆和运用能力,平时要注意积累和运用.同时还要注意提示字母.

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Scientists suspected that one part of the brain helps animals process information about others'errors.Cells in that part appear to become more active when a person sees someone else making a mistake.But researchers didn't know whether individual cells in this part of the brain play different roles in detecting errors.
To investigate the brain's response to errors in more detail,the researchers taught a game to two macaques,a type of monkey.One monkey could press a yellow or green button while the other watched.If the first monkey pressed the right button,the team gave both animals a treat.Every couple of rounds,the two monkeys switched roles.Meanwhile,the scientists monitored individual cells in the animal's brains.
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B.helps them to survive better
C.is being lost because of humans        
D.ensures that they will never fail
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C.drawing     
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C.how the brain responds to mistakes    
D.how the brain processes information
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A.others'mistakes            
B.the same buttons
C.one's own mistakes                
D.the monkey's brain
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A.Animals can learn from mistakes like human beings.
B.An interesting experiment by scientists surprised us.
C.Monkeys can avoid making mistakes by learning from us.
D.The brain cells are always sensitive to others'information.

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