在无端蓄电池的情况下铅酸蓄电池每个蓄电池的均衡充电电压一般为()V。
A.2.15~2.25
B.2.25~2.35
C.2.35~2.45
D.2.45~2.65
参考答案:B
小儿血象中性粒细胞与淋巴细胞相等的年龄为()
A.生后2~4天前及2~4岁后
B.生后2~4天后及2~4岁前
C.生后4~6天前及4~6岁后
D.生后4~6天及4~6岁时
E.生后4~6天后及4~6岁前
His name is Jack Robert Miller. His family name is _____.[ ]
A. Jack
B. Robert
C. Miller