A port（）if more than ordinary prudence and skill is needed to avoid exposure to danger there. ["safety","is safe","is not safe","is not safety"]
下列项目中，属于为了满足现金的交易性需要而产生的活动的有（） ["支付工资","取得银行借款","购买股票","临时采购原材料"]
向客户介绍比较重要的内容时，客服代表采用哪种语速较（）。 ["接近客户语速","适当放慢语速","保持开始语速","使用较快的语速"]
某种材料全年的消耗总额为54万元，资金周转期为20天，其资金占用量为（）万元。 ["0.15","2.7","3","6"]
A mortgagee only（）entitled to all the freight which the ship is in the course of earning，when his possession of the ship comes into being. ["sustains","maintains","becomes","ha"]
简述崇明长棘吻虫病病原的主要特征。
