【单选题】The plant products have been carefully inspected and are considered to be ( ) from any quarantine pests.
【多选题】某地地震后,某社会工作机构的社会工作者前往灾区提供服务工作。社会工作者发放生活基本物资,提供心理支持和咨询,为困难家庭联系资源。为使灾区群众尽快从灾害的阴影中走出来,社会工作者为他们提供了职业技能训练、灾后生产项目培训等。该机构提供的服务体现了社会工作()的目标。
【多选题】为了防止错接旅游团事故的发生,导游应在接到旅游团后,认真核实( )。
【单选题】When bilge water is heated in a holding tank, which one of the following statements is not accurate?
A.
the relative high temperature facilitates primary gravity separation.
B.
most of the oil and organic solvents are raised to the top layer
C.
the relative higher the temperature is, the more the top oil will be collected.
D.
the normal high temperature has little use of the separation of emulsified oil.
【单选题】When bile water is heated in a holding tank, which one of the flowing statements is not accurate?
A.
The relative high temperature facilitates primary gravity separation
B.
Most of the oil and organic solvents are raised to the top layer.
C.
The relative higher the temperature is, the more the top oil will be collected.
D.
The normal high temperature has little use on the separation of emulsified oil.
【单选题】某企业原材料按实际成本进行日常核算。 2019 年 3 月 1 日结存甲材料 300 公斤,每公斤实际成本为 20 元; 3 月 15 日购入甲材料 280 公斤,每公斤实际成本为 25 元; 3 月 31 日发出甲材料 200 公斤。如按先进出法计算 3 月份发出甲材料的实际成本为 ( ) 元。
【多选题】旅途中的交通工具上,导游员要做好的旅途安全工作有