对下列两幅图片的理解最为准确的是
A．春秋争霸
答案：D
根据马斯洛的需要层次理论，人的最高需要是
A．自我实现
B．尊重
C．爱与被爱
D．安全
E．生理
We should pay close attention to safety in schools because of frequent reports about accidents ____ students got injured or killed while in school.
A．which
B．for which
C．in which
D．what
