三角形内角和的观测属于直接观测。
参考答案：错
Read and answer. （根据图片补全句子）
It's windy today. I can ______. I wear my ______.
It's in summer. I can ______. I wear my ______.
My favourite season is ______. I can ______. I wear my ______.
领导者强制性影响力的产生因素中不包括（）
A．传统因素
B．职位因
C．资历因素
D．才能因素
