【简答题】美国经济学家()在其1973年发表的《后工业化社会的来临》一书中,首次提出了人类社会发展的“()”,即前工业社会、()、后工业社会。
【单选题】( )提出了前工业社会、工业社会、后工业社会三种社会类型
【单选题】兴奋性突触后电位的产生,是由于提高了下列哪种离子的通透性
【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 on 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.
【简答题】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( )。