第8题: [单项选择]The retired engineer plunked down $ 50, 100 in cash for a midsize Mercedes as a present for his wife—a purchase ______ with money made in the stock the week before. A. paid off B. paid through C. paid out D. paid for 参考答案:D 答案解析:paid for支付,这里指他用前一星期在股票市场赚的钱支付(购买礼物的钱);paid off偿还,付清;paid through,有pay through the nose的固定用法,意为被敲竹杠,
第9题: [单项选择]某项目的设计生产能力为3万吨A产品,单位产品价格为8000元(不含税),年总固定成本为 4600万元,单位产品可变成本为5200元(不含税),单位产品销售税金及附加为48元,经计算,以产量表示的盈亏平衡点为( )吨。 A. 16429 B. 16152 C. 16715 D. 16600 参考答案:C 答案解析:此题根据公式:以产量表示的盈亏平衡点=年总固定成本/(单位产品价格一单位可变成本一单位产品销售税金附加),可计算出结果。