【判断题】确定两组分析数据的精密度是否存在显著性差异,常用t检验法检验。( )
【判断题】确定两组分析数据的精密度是否存在显著性差异,常用 t 检验法检验。( )
【判断题】国际物品编码协会其前身是1977年成立的欧洲物品编码协会(简称EAN)。()
【判断题】确定两组分析数据的精密度是否存在显著性差异,常用F检验法
【单选题】He is from ______. He speaks ______. [ ]
【简答题】In France, the course is defined by a ______.
【单选题】All the people took it for granted that France would beat Senegal easily. But France ______ to be the loser of the opening match.
【单选题】What is the best title for the passage?
A.
France in the International Market.
B.
France to Fight in the Economic War.
C.
Economically Disadvantageous France.
D.
The Economic Structure of France.