小于（）个大气压（即1.01×105Pa）的压力称为负压。 1。 3。 4。 2。
Although the main business of the shipowners may be that of brewers，in their capacity as shipowners they must（）by the standard of conduct of the ordinary reasonable Shipowner in the management and control of vessels. judge。 be judging。 be judged。 have judged。
一台完整的微型计算机由五大部分组成，即输入设备、输出设备、存储器、运算器和（）。 A.键盘。 B.鼠标。 C.显示器。 D.控制器。
当企业新战略与企业文化有潜在一致性，组织变化的要素多，此时（） 以企业使命为基础。 加强协同作用。 根据文化进行管理。 重新制定战略。
Although goods have been lost or damaged whilst in the custody of the Shipowner，（）not necessarily responsible，for his liability in respect of them may have been excluded by the rules of common law or by the express terms of the contract or by statute. she is。 he is。 they are。 it i。
输送聚合物母液，选择螺杆泵，其主要原因是（）
