A. The cost of all elements in production. B. The cost of not making other goods. C. The efficiency of the manufacturing process. D. The quantity of materials supplied. 参考答案:A 答案解析:细节归纳题 文章第三段“In a market economy the price of a good and the quantity supplied depends on the cost o
第3题: [单项选择]将1101010100转换成十六进制数为______。 A. 354H B. 654H C. 6A4H D. E60H 参考答案:A 答案解析:[解析] 从个位数开始向左按每4位一组划分,不足4位前面以零补足,得0011 0101 0100。将每组代之以一位十六进制数字,得354H。