【简答题】Why was the League superseded by the UN?
【单选题】符合比耳定律的有色溶液稀释时,其最大吸收峰的波长位置( )
【单选题】Why was the UN divided into distinct bodies?
A.
To protect the rights of small nations.
C.
To serve different functions.
D.
To serve for different chairmen.
【简答题】(坐标系与参数方程选做题) 已知曲线 的参数方程为 ( 为参数),曲线 的参数方程为 ( 为参数),则两条曲线的交点是
【单选题】符合比耳定律的有色溶液稀释时,其最大吸收峰的波长位置( )
【单选题】Why was Douglas called the 'Little Giant'?
A.
Because he felt strongly about slavery.
B.
Because he was defeated by Lincoln for President.
C.
Because he was short in stature but strong in frame.
D.
Because his head was larger than his shoulders.