I regret __________ hard at school, or I would have passed the exam.
A. to have not worked
B. having not worked
C. not to have worked
D. not having worked
查看答案
纳税人转让旧房及建筑物，凡不能取得评估价格，但能提供购房发票的，经当地税务部门确认为取得土地使用权所支付的金额，或新建房及配套设施的成本、费用，可按发票所载金额并从购买年度起至转让年度止每年加计( )计算扣除项目的金额。
A. 5%
B. 10%
C. 15%
D. 20%
历史唯物主义认为，社会物质生活条件是指( )
A. 全部自然界
B. 人口
C. 地理环境
D. 地理环境、人口和生产方式诸要素的总和
She came into the room quietly __________ wake her friends.
A. so as not to
B. so as to not
C. not so as to
D. so she does not
在资金成本公式K=D/P(1-f)中，f是指( )。
A. 筹资费率
B. 筹资费
C. 使用费
D. 使用费率
微信支付 
支付宝支付