单项选择题
A．benefactor: discretion B．amateur: obsession C．zealot: incorruptibility D．malefactor: injudiciousness E． spendthrift: improvidence
A．astrologer: constellation B．surgeon: pipette C．conductor: baton D．carpenter: trowel E． cartographer: foolscap
A．stanza: line B．comedy: mock C．poem: assonance D．ballet: pirouette E． choir: ensemble