【单选题】He owed most of ________ he had to his respectable teacher. [ ]
【单选题】The winner of the Grand Slams said that he had owed his success to many people,____ his parents . [ ]
【单选题】He owed his success to luck more than to capacity.
【单选题】磺胺类药物通过抑制下列哪种酶而起作用( )
【单选题】He owed his success to luck more than()capacity.
【简答题】电池片焊接中电烙铁的温度应控制在 ________________ 。