试题与答案

关于Shift阿尔辛蓝地衣红染色法的叙述,错误的是() A.高锰酸钾氧化液需要新配制

题型:单项选择题

题目:

关于Shift阿尔辛蓝地衣红染色法的叙述,错误的是()

A.高锰酸钾氧化液需要新配制

B.地衣红染色液可反复使用

C.酸性黏多糖呈蓝色

D.中性黏多糖呈棕色

E.阿尔辛蓝染色时间越长效果越好

答案:

参考答案:E

解析:阿尔辛蓝染色5分钟,水洗。

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阅读下列材料:

材料一:民失作业,而大饥馑。……人相食,死者过半。自天子不能具醇驷,而将相或乘牛车。 ——《汉书·食货志》

材料二:海内安宁,家给人足。 ——《资治通鉴》

卷15 “都鄙廪庾尽满,而府库余财”。 ——《汉书·食货志》

材料三:诸不在六艺之科孔子之术者,皆绝其道,勿使并进。  ——董仲舒《天人三策》

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(1)材料一反映的是什么时期的景象?造成这一景象的主要原因是什么?

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(2)材料二反映的史实历史上称作什么?这一局面出现的原因是什么?

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(3)用一句话概括董仲舒的建议。他提出这一建议的目的是什么?

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