ThespaceinNo.1lowerholdisnearlyfullupbutthereisstillsome()side.
A. cabin
B. cabins
C. room
D. rooms
既补肝肾强筋骨,又行血脉、续折伤的药是()
A. 杜仲
B. 续断
C. 沙苑子
D. 菟丝子
E. 自然铜
Theroutingsystemwhichaimedatreducingtheriskofcasualtiesiscalledas().
A. trafficseparationschemes
B. recommendedtracks
C. precautionaryareas
D. inshoretrafficzones
Theportinwhichcreworpassengersgoonboardtheshipiscalled().
A. portofcall
B. portofembarkation
C. portofdestination
D. portofdisembarkation