细胞水肿发生的机制主要是由于()
A.高尔基体受损
B.内质网受损
C.中心体受损
D.线粒体肿大和内质网扩张断裂
E.核糖体受损
参考答案:D
固定电气设备的绝缘电阻不能低于().
A.0.01MΩ
B.O.05MΩ
C.0.5MΩ
D.1MΩ
What really ______ is not failure itself, but the attitude we have towards it.
A.matters
B.applies
C.stresses
D.functions