A midday nap can not only brain to its full awakeness best but also raise brain power bey

问题补充：

A midday nap can not only brain to its full awakeness best but also raise brain power beyond what it would have been without some shut­eye.

A. accumulate

B. reserve

C. approve

D. restore

答案：

A. accumulate

B. reserve

C. approve

(答案→)D. restore

解析：

考查动词辨析。句意：午睡不仅可以最大程度上使大脑恢复到(restore)完全清醒的状态，同时还可以使脑力比在没有睡眠时有所提高。accumulate积累；reserve保留；approve赞成。