单项选择题 Maureen radiates an unfailing common sense and good humor, although not a false cheery -------; she has no illusions about life, and her grace comes from her capability to meet it -------.（）

单项选择题 RECLUSE: PRIVACY ::（）

单项选择题 Research has proven that unlike their sober ------- who slowed down after making a mistake to try to correct their actions, men who imbibe alcohol show no signs of such ------- behavior.（）