单桩竖向抗压静载试验加载反力装置的全部构件应进行()和()验算。
参考答案:强度;变形
关于宏操作,( )操作可以将指定的数据库对象复制到另外一个Microsoft Access数据库(.mdb)中。
A.CopyFile
B.CopyEvent
C.CopyObject
D.CopyDatabaseFile
We discussed where to go for a whole morning, but we decided to stay at home _____. [ ]
A. at the end
B. by the end
C. in the end
D. on end