怎样才能有效地发挥下属人员的积极性？
在Excel 2010中，“Delete”和“全部清除”命令的区别在于（）。 ["Delete删除单元格的内容，格式和批注","Delete仅能删除单元格的内容","清除命令可删除单元格的内容，格式或批注","清除命令仅能删除单元格的内容"]
我国最大的海域是（）。 ["东海","南海","渤海"]
“海纳百川，有容乃大；壁立千仞，无欲则刚”是我国清末政治家（）题书的堂联。 ["李白","杜甫","林则徐"]
In securing a towing cable，consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by（）. ["increasing the shaft RPM prior to release","using a pelican hook for quick release","using preventers","using a short chain for the lead through the stern chock"]
试述工作日志法的优点。
