1. [单选题]在桨手分配时,担任领桨手的人员应是:
A. 力气大的
B. 驾驶员
C. 划桨技术好的
D. 职务高的
2. [单选题]Piston cooling fins are located
A. atop the piston crown
B. beneath the piston crown
C. at the base of the piston skirt
D. inside the cylinder liner cooling water jacket