2. 外语
  3. Does brain power ______as we get older? Scientists now have some surprising answers.

Does brain power ______as we get older? Scientists now have some surprising answers.

admin2009-01-05  17
问题 Does brain power ______as we get older? Scientists now have some surprising answers.
选项 A、descend
B、decline
C、deduce
D、collapse
答案B
解析 decline 衰弱，下降。而descend 指物体产生的下降的运动或遗传。deduce 演绎，推断。collapse坍塌，崩溃。
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