She considered herself always in the right, and ______ anybody's suggestion.
A. skimped
B. sent down
C. sneered at
D. submitted to
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地高辛的鉴别试验
A. 柱色谱分离后比色法
B. 比色法
C. 荧光分析法
D. 高效液相色谱法
E. 纸色谱法
托烷类生物碱的特征反应
A. Keller-Kiliani反应
B. Kedde反应
C. 与碱性酒石酸铜试液的反应
D. Vitali反应
E. Thalleioquin反应
Although the work needs to be done more exhaustively, efforts have been made to collect the songs and ballads of the American Revolution.
A. precisely
B. selectively
C. frantically
D. thoroughly
在int b[][3]=1,3,2;4,5,6,0;中b[2][2]的值是( )。
A. 0
B. 5
C. 6
D. 2