马斯洛和罗杰斯的自我实现概念没有区别。 ( )
参考答案：错
He collected information on 1,000 people, whose IQ when they were ten years old.[ ]
A．is tested
B．has tested
C．would test
D．had been tested
道岔导轨的头部磨耗重伤标准包括（）。
A.总磨耗13mm
B.垂直磨耗10mm
C.侧面磨耗12mm
D.侧面磨耗11mm
