The disadvantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels is that it（）. ["deteriorates in sunlight","cuts on sharp edges","is vulnerable to damage and pilferage","All of the above"]
油田水中总铁含量包括（） ["单质铁和Fe2+<\/sup>","Fe3<\/sub>O4<\/sub>和单质铁","Fe2<\/sub>O3<\/sub>和FeO","生物体悬浮铁及Fe2+<\/sup>"]
（）主要负责全行现金、贵金属、重要空白凭证的统筹管理，各库管中心及部分营业网点现金调拨的审批和领缴，同时负责部分营业网点的款箱寄库工作。 ["总行现金运营中心","库管分中心","库管中心","营业网点"]
Excel中，删除单元格后，其余单元格将发生如下变化，（）。 ["左侧单元格右移或上方单元格下移","右侧单元格左移或下方单元格下移","右侧单元格左移或下方单元格上移","左侧单元格右移或上方单元格上移"]
Power is defined as the （）. ["rate of doing work","amount of force needed to overcome friction","amount of work accomplished","distance through which an object is moved"]
雷击、静电火花及电力线与广播线、电话线碰线等引起的火灾怎样预防？
