与硫酸亚铁同用可生成难溶性化合物的是
A.各种白酒
B.乳酪食品
C.葡萄柚汁
D.盐腌海鱼
E.茶叶
参考答案:E
No hero of ancient or modern days can surpass the Indians with their lofty contempt of death and the fortitude with which they sustain its cruelest affliction.
A.regard
B.courage
C.loss
D.trick
配位滴定法()
A.氢氧化钠滴定液
B.硫酸铈滴定液
C.高氯酸滴定液
D.碘滴定液
E.乙二胺四醋酸二钠滴定液