单项选择题
A．physician: pestilence B．photographer: tripod C．butcher: cleaver D．gardener: hose E．editor: keyboard
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