单项选择题
Given the same water depth and line tension，the holding power of a 19 pound/foot wire rope mooring system in comparison to the holding power of a 90 pound/foot chain mooring system will be（）.
A.weaker B.equal C.greater D.indeterminable
单项选择题 Generally，when lifting an inflatable liferaft back aboard ship，you would use the（）.
单项选择题 Generally，what is used to inflate liferafts?（）
单项选择题 Generally speaking，you should expect to find low atmospheric pressure prevailing in the earth’s（）.
