2. 考研
  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.

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问题 Does brain power______as we get older? Scientists now have some surprising answers.
选项 A、decline
B、descend
C、deduce
D、collapse
答案A
解析 A项表示“下降，衰落”；B项表示“下降，落下”，指从较高的地方移到较低的地方；C项表示“推论，演绎出”；D项表示“倒塌，瓦解”。“brain power”是句子的主语，根据句子要表达的意思可知，问的是我们的脑力会不会随着年龄的增长而下降。用“decline”符合句意。所以应该选A。
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