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【单选题】
药典规定用银量法测定巴比妥类药物的含量,所采用的指示终点的方法为
A.
永停滴定法
B.
外指示剂法
C.
电位滴定法
D.
观察形成不溶性的二银盐
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B.
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D.
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【单选题】After the birth of the college and university rankings,
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【简答题】阅读理解. When final exams draw near, you'll have class rankings (排名) again. Who will come top? Last week the Organization for Economic Cooperation and Development (经济合作与发展组织) picked the best students in ...
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【单选题】20世纪50年代至70年代营销理论发生了重大变革,要求企业把( )作为工作的中心。
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B.
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查看完整题目与答案
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B.
overrun
C.
overcome
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overtaken
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【简答题】阅读理解. When final exams draw near, you'll have class rankings (排名) again. Who will come top? Last week the Organization for Economic Cooperation and Development (经济合作与发展组织) picked the best students in ...
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