妊娠期间,咳嗽不已,干咳少痰,口干咽燥,失眠盗汗,手足心热,舌红少苔,脉细滑数.其治疗首选方()
A.止嗽散
B.知柏地黄丸
C.八珍汤
D.百合固金汤
E.六君子汤
参考答案:D
An analyst gathers the price-earnings ratios (P/E) for the firms in the S&P 500 and then ranks the firms from highest to lowest P/E. She then assigns the number 1 to the group with the lowest P/E ratios, the number 2 to the group with the second lowest P/E ratios, and so on. The measurement scale used by the analyst is best described as:()
A. ordinal.
B. interval.
C. nominal.
在距今4000年的河南密县池北岗、新郑裴李岗新石器时代文化遗址中,发现了最早的陶塑艺术品,是()
A、陶塑猪头
B、陶塑人头像
C、陶鼎
D、彩陶瓶