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声波传导途径：和。

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紫外分光光度计常用的光源是

A. 氘灯
B. 钨灯
C. 溴钨灯
D. 硅碳棒
E. 荧光灯

紫外可见分光光度法中所用的比色杯的材料是

A. 玻璃
B. 盐片
C. 石英
D. 有机玻璃
E. 塑料

She has every right to be proud of her ____ academic achievements.

Some of my classmates at college were extremely talented, which sometimes____ me.