单项选择题
A．radiation: temperature B．celerity : span C．quality : quantity D．sound : pitch E．strength : stress
A．observation : phenomenon B．travel : distance C．median : mean D．abyss : summit E．encomium : dismissal
A．conviction… apprehension B．apathy … ignorance C．disparity… discord D．consensus … disagreement E．suspicion… hesitancy