4级肌力表现为()。
A.正常肌力
B.完全瘫痪
C.肢体能对抗阻力运动,但未达正常
D.肢体能抬离床而举起,不能抵抗阻力
E.肢体肌肉可收缩,不产生动作
参考答案:C
As a young man, he’d rather have a room of his own, however small it is, than ______ a room with someone else.
A.to share
B.to have shared
C.share
D.shared
《智能设备交接验收规范第2部分:电子式互感器》规定,合并单元应能够实现采集器间的采样同步功能,采样的同步误差应不大于()
A.±1μs
B.±2μs
C.±3μs
D.±4μs