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、descend
B、decline
C、reduce
D、collapse

答案B

解析随着年龄的增长我们的记忆力会减退吗?科学家有一些新奇的回答。decline减退，衰退。reduce减少。collapse崩溃，倒塌。descend下降。因而只有B项符合题意。

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C类竞赛（非英语专业本科）

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