单项选择题
下列关于高程的说法错误的是( )。A.是大地基准B.我国常用的是黄海高程系统基准C.我国规定以青岛验潮站的平...
单项选择题下列关于高程的说法错误的是( )。
The ship ____ at 8:30, but it is almost 9: 30 now.( )A...
单项选择题The ship ____ at 8:30, but it is almost 9: 30 now.( )
Republicans are considered more liberal. A、正确 B、错误
单项选择题Republicans are considered more liberal. A、正确 B、错误