第10题: [多项选择]如果企业本期生产成本较上一期有所下降，假定其他条件不变，则( )。 A. 产值成本率下降，说明企业的经济效益下降 B. 营业收入成本率下降，说明企业的经济效益上升 C. 成本利润率降低，说明企业的经济利益下降 D. 成本利润率提高，说明企业的经济效益上升 参考答案:B,D 答案解析:[解析] 成本下降，企业的产值成本率、营业收入成本率下降，经济效益上升；成本利润率则与之相反。
第33题: [单项选择]The person who came out of the house a little later ______. A. was not nervous at all B. was as nervous as the others C. was slow to put on his clothes 参考答案:B 答案解析:[听力原文]18-20 There was a fire in the middle of the night at a country house where there were m
