公元前5世纪前后,希腊逐渐衰落的主要原因是( )
One soldier was killed and three others were ____ when their tank was hit by a rocket. (wound)
如图,在Rt△ABC中,∠B=90°,ED是AC的垂直平分线,交AC于点D,交BC于点E.已知∠BAE=10°,则∠C的度数为( )