单项选择题
A vessel is described as a two compartment vessel when it().
A.has no more than two compartments B.has two compartments in addition to the engine room C.will sink if any two compartments are flooded D.will float if any two adjacent compartments are flooded
多项选择题 动态比较优势是人类经济活动的历史积累,所造就出来的地区比较优势。它主要体现在以下方面:()。
单项选择题 当市场利率下调时,李小姐购买的货币市场基金的收益将()
单项选择题 执行“插入→工作表”菜单命令,每次可以插入()个工作表。