在多媒体环境下工作的用户，除基本配置外，至少还需配置光驱、声卡和音箱。
参考答案：对
Utilitarianism, in reference to economic fairness, refers to the idea that:（）
A. the greatest good occurs when wealth is equalized.
B. the greatest utility of production and consumption results from competitive markets.
C. equality of opportunity is an important measure of economic fairness.
