问题
选择题
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
答案：D
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。