第20题: [多项选择]动态指标主要包括() A. 动态投资回收期 B. 净现值 C. 净现值率 D. 内部报酬率 参考答案:A,B,C,D
第21题: [单项选择]Questions 14 ~ 17 are based on the following dialogue about a part-time job.What is the woman’s major A. American literature. B. English literature. C. Teaching method. D. Mathematics. 参考答案:A 答案解析:[听力原文] 14-17 W: Good morning, Professor James. I’ve come here to look for a part-time job this te
第22题: [多项选择]下列选项中引起锅炉汽包缺水的原因是()。 A. 给水系统故障 B. 炉管漏 C. 省煤器漏 D. 排污阀漏 参考答案:A, B, C, D