室间隔缺损常有
A．肝硬化腹水B．急性胃穿孔致腹膜炎C．胰腺囊肿D．癌症晚期恶病质E．腹白线疝
参考答案：C
工程咨询单位项目经理的权限不包括( )。
A．管理项目组的全部工作
B．修正项目组预算
C．与业主签订咨询合同
D．批准项目组计划变更
An analyst does research about valuation models. With respect to equity valuation models, valuation working well for companies that do not have a high proportion of intangible or "off the books" assets and that do have a high proportion of current assets and current liabilities is best categorized as a(n):（）
A. multiplier model.
B. discounted cash flow model.
C. asset-based valuation model.
