3.5英寸双面高密度软盘的存储容量为（） ["1.2MB","360KB","1.44MB","720KB"]
患者，男性，35岁，车祸致呼吸困难，面色苍白，血压下降，尿量减少，脉搏细数。经检查，临床诊断为右侧第4、5肋骨骨折并损伤性血胸。立即输液、输血，行胸膜腔闭式引流术。胸膜腔内积血来自于（） ["肺破裂","肋间血管","胸廓内血管破裂","肺血管破裂","心脏、大血管破裂"]
Which two of these are ways that cisco capital helps partners?() ["counts as double toward quarterly sales goals","expands customer relationships","require customers to lease or buy new equipment when the lease expires","increases the customer capital budget","increases marginsand cash flow"]
预应力锚索由哪几部分组成，其主要作用是什么？
中小型立式加工中心常采用（）立柱。 ["凸面式实心","移动式空心","旋转式","固定式空心"]
视平线
