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【单选题】
甾体激素类药物的光谱鉴别,受母核限制常不宜采用的方法是:
A.
紫外光谱法
B.
红外光谱法
C.
薄层色谱法
D.
衍生物鉴别
E.
高效液相色谱法
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举一反三
【单选题】Tom didn't believe a word she said and ______ .
A.
neither did the police
B.
neither the police did
C.
the police didn't neither
D.
the police did neither
【简答题】全站仪的标准测量模式为( )、( ) 、和 ( ) 等三种。
【简答题】A.She is not sure Tom is joking. B.She thinks Tom wants to go into business. C.She thinks Tom may sell his shop. D.She thinks Tom has already studied in university.
【单选题】水作为溶媒下列哪一项叙述是错误的 [ ]
A.
经济易得
B.
溶解范围广
C.
易于霉变
D.
杂质提取少
【单选题】水作为溶媒下列哪一项叙述是错误的( )
A.
经济易得
B.
溶解范围广
C.
易于霉变
D.
易于纯化
E.
能引起有效成分的分解
【单选题】由于酿酒所用的原料不同,因而酿制的酒也各不相同,按酒的 ( ),大体可分为白酒、黄酒、啤酒、果酒、汽酒、配制酒六大类。
A.
香型
B.
特点
C.
口味
D.
原料
【单选题】由于酿酒所用的原料不同,因而酿制的酒也各不相同,按酒的( ),大体可分为白酒、黄酒、啤酒、果酒、汽酒、配制酒六大类。
A.
特点
B.
口味
C.
香型
D.
原料
【简答题】11. I read that ____ are very intelt. A. australian sheepdogs B. Australian sheepdogs C. Australian-sheepdogs
【单选题】I told her this small story at great length. I do not know what she read into that letter, ... (Para.11)
A.
I told her this small and long story. I do not know whether she have read the story or not.
B.
I told her this small story in detail. I do not know whether she understood the meaning of the letter.
C.
I told her this small story in detail. I do not know whether she have read the story or not
【简答题】A.She is not sure what's happened to Tom. B.She believes Tom is not coming. C.Tom has gone on a trip alone. D.She finds it difficult to put up with Tom's behavior.
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