【判断题】属于不同特征值的特征向量是线性无关的。()
【简答题】I twisted my ankle three days ago, but I’m still in _______.
【多选题】下几个项目阶段中,目前国内应用BIM理念和工具的阶段是()。2
【单选题】患者女41岁,育有2个孩子,入院做输卵管结扎手术,输卵管结扎术常用部位是
【单选题】听力原文:W: I heard Dan twisted his ankle during basketball practice yesterday. M: I guess that explains why I sew him at the clinic. Q: What can we know about Dan? (16)
A.
He had a doctor examine his injury.
B.
He will go to practice tomorrow.
C.
He didn't call the woman yesterday.
D.
He asked a friend to take him to clinic.
【判断题】方阵A的属于不同特征值的特征向量线性无关