涉外交往中，在"爱护环境"方面应注意哪些细节？
The exhaust boilers are used to recover some of （） carried in the exhaust gas from the main engine. ["water","oil","heat","steam"]
下列需要留存身份证复印件的有（）。 ["无卡无折本人存款美元1000元整","有卡有折代办存款累计美元1000元整","有卡有折代办存款累计美元5000元整","有卡有折代办取款美元5000元整"]
An implied warranty of seaworthiness on the part of the vessel’s owner lies in the（）. ["Cargo Manifest","Certificate of Inspection","Classification Certificate","contract of carriage，i.e. Bill of Lading"]
信用卡查询管理，为保证系统运行效率，查询起始日期与终止日期的间隔原则上最长不超过（）个月。 ["1","6","3","2"]
举例说明什么是周转性消耗材料。
