下列不是在项目实施准备阶段形成的是( )。
A.设计概算
B.投资估算
C.施工图预算
D.修正概算
参考答案:B
解析:[考核内容] 动态控制原理在投资管理中的应用
—Mum, I climbed to get the Teddy Bear from the top of the shelf.
—My goodness! You _____ yourself. You mustn’t do that next time. [ ]
A. should have hurt
B. ought to hurt
C. might have hurt
D. must hurt
煤与瓦斯突出的预兆是什么?