When determining the date of shipment, "on or about June 11th" refer to ( ).

高音谱表第一线与第一间之间的音程关系是（）A.小二度B．大二度C．小三度D．大三度

单项选择题高音谱表第一线与第一间之间的音程关系是（）

Banks shall each have a maximum of ( ) banking days fol...

单项选择题Banks shall each have a maximum of ( ) banking days following the day of presentation to determine if a presentation is complying.

蒸发结晶过程中，应用玻璃棒不断搅拌溶液。

未知题型蒸发结晶过程中，应用玻璃棒不断搅拌溶液。