單項選擇題Longitudinal and transverse separtions between the tanks,which are used to prevent liquids from leaking from one double bottom tank into the other ,are called（）.

A.double bottoms
B.cofferdam
C.navigating bridge
D.superstructure


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1.單項選擇題（）provides strength and strong space for fule,lubricating oil,fresh water,salt(ballast)water and potable water.

A.The double bottom
B.The cofferdam
C.The navigating bridge
D.The superstructure

2.單項選擇題The formost and aftermost spaces of the vessel are the（）.

A.forecastle
B.tweendeck
C.hatches
D.peak tanks

3.單項選擇題Access to a hold can be obtained throuth（）.

A.forcastle
B.tweendeck
C.hatches
D.peak tanks

4.單項選擇題The（）is the intermediate deck between upper deck and the inside bottom of the vessel.

A.forcastle
B.tweendeck
C.hatches
D.peak tanks

5.單項選擇題The foremost part of the upper deck is called the（）.

A.forecastle
B.tweendeck
C.hatches
D.peak tanks