LO第185号公约规定，海员身份证件录入数据包括（）。①海员的数码相片②唯一的证件号码③发证地点和日期④生物测定
A. ①②
B. ①②④
C. ①②④
D. ①②③④
用量角器测量关节活动范围时，量角器移动臂的正确放置方法为（）
A. 与构成关节的远端骨长轴平行
B. 与构成关节的近端骨长轴平行
C. 与构成关节的远端骨长轴垂直
D. 与构成关节的近端骨长轴垂直
E. 与关节轴心垂直
During transfer operations，a quantity of propylamine spills on deck. According to the Chemical Data Guide，the correct procedure would be to（）.
A. immediately flush the spill with large quantities of fresh water
B. cover the contaminated surface with soda-ash-soaked lime solution
C. add sodium bisulfate on the contaminated surface and spray it down with water
D. move to a position upwind of the spill and allow the product to boil off
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