2. 职称英语
  3. During the 19th century scientists found that when certain parts of the brain

During the 19th century scientists found that when certain parts of the brain

游客2025-07-25  0
问题    During the 19th century scientists found that when certain parts of the brain were  (36)  , men lost the  (37)   to do certain things. And so people thought that each part of the brain does a  (38)   job. But modern research has found out that this is  (39)  , for it is not easy to say exactly what each part of the head does.
   In the past fifty years there  (40)   a great increase in the amount of research  (41)   on the brain. Chemists and biologists have  (42)   that the way the brain works is not so simple  (43)   people had thought. Chemists tell us that about 100,000 chemical changes  (44)   in the brain every second. Some recent researches also  (45)   that we remember everything.  (46)   happens to us. We may  (47)   to recall the thing we  have heard or seen, but it is all kept there in our brains.
   Earlier scientists said that the power of  (48)   brain got weaker and weaker as  (49)   grows older. But it is now  (50)   that that is not true.  (51)   the brain is given enough exercise, it keeps its ability.  (52)   has been proved that an old person who has always been active in the mind has a  (53)   mind than a young person who has only done  (54)   work  (55)   using much of his brain. [br]
选项 A、strength
B、forces
C、power
D、right
答案 C
解析
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