The players from the whole country are expected to bring us honor in this summer game.
A:selecting
B:to select
C:selected
D:having selected
被称为“大地的骨架’’的地形类型是( )
处理工厂的废水。如硫酸厂废水中含有硫酸等杂质,可以用____ 、____ 等碱性物质中和。
Job interviews are carried out ___ face to face in four cities including Hangzhou, Ningbo, Wenzhou and Shaoxing in Zhejiang province every year.
现场转播奥运会开幕式时,伦敦是中午,洛杉矶是凌晨,形成这种现象的原因是( )