《维规》规定蓄电池放电,当电池组内有一个电池电压降到1.8V时应立即停止放电。
参考答案:对
下列变化需要加入氧化剂才能实现的是 [ ]
A. S2-→HS-
B. HCO3-→CO2
C. 2I-→I2
D.Cu2+→Cu
Having lost his job and his family, Jerry felt himself()by anger and sadness.
A.experienced
B.overcome
C.experience
D.overcame