【简答题】对称三相电源为星形联结,端线与中性线之间的电压叫___。
【单选题】男,35岁,高热伴咳嗽咳痰3天。体检:右上肺语颤增强,闻及湿哕音和支气管呼吸音。血白细胞为12.0×109/L,中性80%,下列哪项诊断可能性最大
【单选题】男性,35岁。高热伴咳嗽咳痰3天。体检:右上肺语颤增强,闻及湿哕音和支气管呼吸音。血白细胞12.8×10^9/L,中性 0. 82。最可能的诊断是()
【单选题】He rides a bike o work every day in order to keep in ______
【单选题】Her husband promised that he would ___ smoke _____ in order to keep fit.
【单选题】He was bending over the basin and______ cold water on his face in order to keep himself a wake.
【单选题】In order to keep healthy, he _____ an hour every day to take exercise.