个性心理特征
参考答案：是在个体身上表现出来的比较稳定的心理特点，包括能力、气质和性格。
在高压系统中广泛采用单相自动重合闸，这就需要选相元件
Which of the following describes a market for goods or services that operates outside the legal system, trading at prices that exceed legally imposed price ceilings（）
A. An incidental market.
B. A black market.
C. A utilitarian market.
