失业保险的对象为()。
A.退休职工
B.丧失劳动能力的人员
C.失业职工
D.在职职工
参考答案:C
Up to now, no one has come up with a(n) explanation of why dinosaurs died out, and it remains a mystery.
A.astonishing
B.amusing
C.convincing
D.puzzling
偏瘫、脑脊髓损伤后关节挛缩是()
A.神经源性挛缩
B.软组织性挛缩
C.肌肉性挛缩
D.挛缩
E.关节源性挛缩