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【判断题】
带传动不能保证准确的平均传动比,其原因是带容易变形和磨损。A.
正确
B.
错误
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举一反三
【单选题】The Egyphan boat continued to approach the American ship probably because
A.
the Egyptians thought it was OK to approach military vessels.
B.
the ship was a civilian vessel and caused misunderstanding.
C.
the Egyptians did not understand the words of warning.
D.
no warning flare was fired by the U. S. navy on the ship.
【单选题】听力原文：Do you mind helping me with this form? (A) By about noon, I'd say. (B) I just had some, thank you. (C) Not at all, I'd be glad to. (20)
A.
B.
【单选题】The wind was so strong last night that is tore the ______ of the ship into two or three pieces.
A.
mask
B.
mine
C.
sail
D.
satellite
【简答题】按压力分,阀门可分为: 、 、 、 和 。
【单选题】______ is the offense against navigational rules and will make the ship unseaworthy with the Shipowner responsible for all the consequences．
A.
Overloading
B.
Overtaking
C.
Overboarding
D.
Overlining
【单选题】按照压力分类，阀门可分为真空、低压、中压、高压和超高压阀门，其中低压阀门的压力为（）
【简答题】按流体压力分类，阀门可分为真空阀、低压门、（）和（）。
【单选题】The permanent dunnage attached to the frames of the ship that in ventilation is（are）the ______．
A.
hatch boards
B.
tank top
C.
hatch beams
D.
sweat battens
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