使示、环、小指向中指靠拢，屈掌指关节，伸指关节的肌是（）
A.蚓状肌
B.小指展肌
C.骨间掌侧肌
D.骨间背侧肌
E.小指短屈肌
参考答案：C
当代地质学家( )创建了一门新兴的地质学科——地质力学。
A．李四光 B．竺可桢 C．茅以升 D．钱学森
The capacity of any liferaft on board a vessel can be determined by（）.
A.examining the Certificate of Inspection
B.examining the plate on the outside of the raft container
C.referring to the station bill
D.referring to the shipping articles
