支气管扩张患者在施行体位引流时,错误的护理是
D
暂无解析
相对于高纬度地区而言,在地球赤道附近()
Anypolicythatmayleadtotheriseinunemploymentislikelytomeetwithstrong___(resist)
Itisessentialthatyou__________anydocumentcarefullybeforesigningit.
Iwouldverymuch______tovisitsomeoftheplacesthatIhavebeenreadingabout.
花样滑冰运动员绕通过自身的竖直轴转动,开始时两臂合拢,转动惯量为J0,角速度为ω0;当其两臂伸开后,角速度变为5ω0/6,则其转动惯量变为(忽略阻力)