单项选择题
Please（）a cleaning gang to sweep out the hold.
A.arrange for B.to arrange C.arrange to
单项选择题 Planning to stow（）in the end lower holds will result in much broken stowage.
单项选择题 Navigational marks used for informational or regulatory purposes are（）.
单项选择题 Most totally enclosed lifeboats are equipped with which of the following? （）
