沿河分布是中南半岛城市分布的主要特征之一,其中老挝首都万象就分布在( )
(1)log535-2log573+log57-log51.8-5log52.
(2)已知α∈(0,π),sinα+cosα=15,求tanα.
Though Nancy is____, she can do most things that people with good eyes can do.