桡骨茎突狭窄性腱鞘炎

A．Mills试验阳性
B．肘关节活动受限
C．肩关节外展受限
D．肩部疼痛、无活动受限
E．Finkelstein试验阳性

（）is used to moor the ship to the seabed to keep it sationary.

A.The bulbous bow

B.The anchor

C.The bow thruster

D.The propeller