基本闭塞法停用发出列车，递交凭证后，车站（助理）值班员车机联控呼叫用语为（）。A、“

简述合同法的基本原则。

Man: Bill, have you heard the latest news It appears that we won't be laid off after all. Woman: Oh, somewhat I'm tired of working here anyway. Question: What does the woman mean

A．She is surprised.

B．She feels very happy.

C．She is indifferent.

D．She feels very angry.

某女，月经18～20天一行，量多色深红，质粘稠，心胸烦躁，面红口干，便干溲黄，舌红苔黄，脉数，治法是：

A．清热凉血止血

B．养阴清热调经

C．清肝解郁凉血

D．清热凉血调经

E．清热凉血固冲

砌块墙具有（）等特点。

A.生产效率高

B.热工性能好

C.增加墙体的自重

D.减少环境污染

留置作为一种担保方式，只能通过( )产生留置权。

A．合同约定

B．优先受偿

C．依法行使

D．财产转让