【单选题】在Excel2010中,下列关于对工作薄的说法错误的是()
【判断题】评价样品预处理方法合理性的指标是回收率。
【简答题】Please link the following sentences with their right translations.
【单选题】样品的回收率是指( )
C.
(测量值- 已知量 )/ 已知量 ×100%
D.
( 已知量 - 测量值 )/ 已知量 ×100%
【单选题】Sequence markersin English are a certain group of items that link sentences together into a larger unit of _______.
【简答题】Link the sentences with the phrases they lack to complete the sentences.