How does PEAP protect the EAP exchange ？____答案

【单选题】

How does PEAP protect the EAP exchange ？___

A. It encrypts the exchange using the server certificate

B. It encrypts the exchange using the client certificate

C. It validates the server-supplied certificate,and then encrypts the exchange using the client certificate

D. It validates the client-supplied certificate,and then encrypts the excha nge using the server certificate

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A. 温度是25℃，C的单位是g/100ml,L的单位足dm

B. 温度是25℃，C的单位是g/ml,L的单位是dm

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D. 测定前应采用水或校正用棱镜进行读数校正

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A. 误差很小

B. 测得的一组测量值彼此符合的程度

C. 表示该法测量的正确性

D. 在各科正常试验条件下，对同一样品的结果的准确程度

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巴比妥类药物与铜吡啶试液作用显绿色的___

A. 苯巴比妥

B. 司可巴比妥钠

C. 硫喷妥钠

D. 异成巴比妥

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根据朗伯-比尔定律，吸光度与浓度及光路长度间正确关系式是___

A. A=1gT=ECL

B. A=-1gT=lg1/T=CL

C. A=-lgT=lgI/I0=ECL

D. A=-lgT=lgI/T=EICL

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【单选题】

质量标准分析方法的验证不涉及哪一项___

A. 准确度

B. 精密度

C. 高效性

D. 专属性

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对马来酸氯苯那敏进行熔点测定的某次结果为131.3，按规定修约值应为___

A. 131.0

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药物的鉴别实验是___

A. 判断药物真伪

B. 识别未知药物

C. 检查药物纯度

D. 验证药物疗效

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对结构复杂.相互之间差异较小的药物进行区分，最适合采用的鉴别方法为___

A. UV

B. IR

C. TLC

D. HPLC

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【单选题】

利用一般鉴别实验可以判断___

A. 一类药物的真伪

B. 一种药物的真伪

C. 药物的纯度

D. 药物的疗效

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与吡啶-硫酸铜作用，生成绿色配位化合物的药物是___

A. 苯巴比妥

B. 异戊巴比妥

C. 司可巴比妥

D. 硫喷妥钠

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巴比妥与吡啶硫酸铜作用，生成物的颜色为___

A. 黄色

B. 蓝色

C. 紫色

D. 绿色

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【单选题】

化学鉴别法是指供试品与规定为试剂发工化学反应，对药物进行定性分析，可观察的外观现象不包括的是___

A. 颜色

B. 沉淀

C. 产生气体或荧光

D. 固体熔化成液体

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【单选题】

鉴别硫酸盐，下列不需要的试礼是___

A. 酷酸铅

B. 醋酸

C. 氯化钡

D. 氢氧化钠

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