【单选题】听力原文:W: London is a gorgeous city. From here you can see the palace guards. M: Wait until we get to Paris and Madrid. And don't forget about Rome! Q: Where did the conversation take place? (13)
【判断题】建筑物的三面投影能反映建筑物的尺寸及构件布局。( )
【简答题】完形填空。 The most difficult thing for university student Shaun Rogers is opening the classro om door by himself. Shaun can’t do this without __ 1 __because he is only six years old. He’s the _ _2 __ pers...
【单选题】用来判断两组数据的精密度是否存在显著性差异的方法是
【简答题】所谓显著性检验是为了判断测定结果或分析方法之间是否存在 。其中 t 检验法用来评价分析方法的 (填准确度或精密度) ;而 F 检验法则用来检查测定值的 (填准确度或精密度) 有无显著性的差异。在对某一试样的两组分析数据的平均值进行比较时,须先进行 检验,再酌情进行 检验。如经检验表明不存在显著性差异,则说明这些差异是由 误差引起的。
【单选题】听力原文:M:You have been in London for several months.How do you like the city? W:The only thing is the sun never smiles. It's always grey and unhappy. Q:What doesn't the woman seem to like about London? ...
【单选题】用来判断两组数据的精密度是否存在显著性差异的方法是
【判断题】杜甫晚年创作的重要主题是将有关人性思考的重点放在对自我内心的考问探询之上。