紫外分光光度法中的为()
A.校正因子
B.重复性
C.浓度校正因数
D.滴定度
E.百分吸收系数
参考答案:E
The teacher got very when the boy student refused to answer his question. [ ]
A. annoying
B. being annoyed
C. to be annoying
D. annoyed
图5为近代某商品的报纸广告。它反映了民族资本主义企业的发展得益于当时( )
A.实行专卖制度
B.提倡国货运动
C.宣扬种族主义
D.坚持民权主义