【单选题】Twenty years ago a stove cost $300 and a refrigerator cost $1,500. Today a stove costs $600, while a refrigerator costs $1,800. Which of the following statements is true?
A.
The relative price of stoves and refrigerators has not changed.
B.
The relative price of a refrigerator has increased.
C.
The relative price of a stove has increased.
D.
The money price of a refrigerator has fallen.
【单选题】下列不属于资本“三原则”的是______。
【单选题】下列不属于《文化事业单位财务制度》基本原则的是()。
D.
正确处理事业发展需要和资金供给的关系,社会效益和经济效益的关系,国家、单位和个人三者利益的关系
【单选题】Which description about the stove is not true?
A.
It’s as white as snow.
C.
It has a brass stomach.
【判断题】硅管的死区电压约为0.5V,锗管约为0.1V。
【判断题】 当正向电压UF开始增加时(即正向特性的起始部分),此时UF较小,正向电流仍几乎为零,该区域称之为死区,硅管的死区电压约为0.5V,锗管约为0.1V
【单选题】A stove is not up-to-date unless it has a mechanism ______ controlling the temperature.