混凝土基础检查包括哪些内容？
参考答案：
基础检查包括检查基础浇灌质量、基础的位置、外形尺寸。
Once he has ______ nothing can change his mind. [ ]
A. made up his mind
B. decided his mind
C. determined his mind
D. made his mind
在订单匹配原则方面，各证券交易所普遍以( )原则作为第一优先原则。
A．时间优先 B．价格优先 C．数量优先 D．席位优先
