【单选题】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()。
【判断题】I tripped and twisted my ankle. Running for the bus.
【单选题】听力原文:M: Today is a bad day for me. I fell off a step and twisted my ankle. W: Don't worry. Usually ankle injuries heal quickly if you stop regular activity for a while. What does the woman suggest the...
A.
Give his ankle a rest.
C.
Be careful when walking.
D.
Continue his regular activity.
【简答题】矩阵A的属于不同特征值的特征向量线性无关. 矩阵A的属于同一特征值的特征向量必线性相关?
【判断题】方阵A的属于不同特征值的特征向量线性无关
【判断题】线性变换的属于不同特征值的特征向量线性无关。