【名词&注释】
障碍物(obstacle)、捕鱼船、适用于(suitable for)、在海上、在航机动船
[单选题]An additive used to improve the ability of a lube oil to reduce friction is known as a/an
A. suppressant additive
B. dispersant additive
C. extreme pressure additive
D. viscosity improver additive
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举一反三：
[单选题]Will we connect the motor with the fresh water pump? No, the pump is ( )_
A. in good order
B. out of order
C. works well
[单选题]在海上，当你看到来船的号灯仅为红、红垂直两盏灯和左右舷灯，则来船为＿＿＿＿。
A. 从事捕鱼的船舶当渔具被障碍物挂住时
B. 失控船在航对水移动
C. 失控船不对水移动
D. 失控船在航
[单选题]交叉规则适用于________。
A. 机动船与帆船之间
B. 两机动船之间
C. 机动船与从事捕鱼船之间
D. 机动船与失控船之间
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