膝关节半月板损伤可见（）阳性
A.回旋挤压试验
B.研磨试验
C.浮髌试验
D.伸膝抗阻力试验
E.膝关节分离试验
参考答案：A, B
绝对值等于7的数是( )
Can you imagine _______ alone on the lonely island for ten years?
A．him to live
B．him lived
C．him living
D．he lives
