单项选择题
A．libertine: restraint B．puritan: convention C．vagabond: frugality D．zealot: fervor E．antiseptic: hygiene
A．examine: solicitude B．legalize: disapprobation C．submit: approval D．announce: scrutiny E．perish: idea
A．obscurity: necessity B．stoicism: generosity C．ferocity: insubordination D．complexity: tangency E．difficulty: simplicity