单项选择题
从船艏贯穿至船艉的甲板叫主甲板。（）
A. The deck from bow to stern is called the main deck. B. The deck from stern to bow is called the tweendeck. C. The deck from bow to stern is called the upper deck. D. The deck from stern to bow is called the lower deck.
单项选择题 底漆用于出白金属表面， 防止其生锈。（）
单项选择题 用敲锈锤敲去厚锈。（）
单项选择题 刮刀用来铲去起泡的油漆和锈皮。（）
