【判断题】用玻璃电极测定溶液的pH值时,必须首先进行定位校正。( )
【判断题】用玻璃电极测定溶液的PH值时,必须首先进行定位校正。
【单选题】细胞有氧呼吸并进行氧化磷酸化的场所在 ____
【简答题】______is famous for writing stories about the sea and the islands of the Southern Pacific. In his piece______, he tells a story of a whaling voyage which is set a symbolic account of the conflic...