硝酸士的宁采用高氯酸滴定法测定含量,可选用下列方法指示终点
A.结晶紫 B.碘化钾-淀粉 C.偶氮紫D.碘液 E.电位法
参考答案:E
It was difficult to guess what her _____ to the news would be.
A.impression
B.comment
C.reaction
D.opinion
哪种疾病血中ALP升高最明显。()
A.佝偻病
B.软骨病
C.肢端肥大症
D.变形性骨炎
E.慢性肾衰竭