数轴上表示－3的点离原点的距离是______个单位长度；
3
解：，数轴上表示－3的点离原点的距离是3个单位长度
The doctor _____ after he_____ the patient. [ ]
A. looked worrying; looked over
B. seemed like worried; looked after
C. looks worried; look after
D. seemed worried; looked over
可能引起尿外渗的肾损伤类型是
A．肾挫伤
B．肾蒂伤
C．表浅肾皮质裂伤
D．肾实质全层裂伤
E．肾动脉内膜断裂及血栓形成
，
数轴上表示－3的点离原点的距离是3个单位长度
，数轴上表示－3的点离原点的距离是3个单位长度