Would you please help me pick up ____umbrella on the floor?
A:a
B:an
C:the
D:/
如图,在△ABC中,∠ACB=90°,分别以点A和点B为圆心,以相同的长(大于12AB)为半径作弧,两弧相交于点M和点N,作直线MN交AB于点D,交BC于点E.若AC=3,AB=5,则DE等于( )
I ______ the League for 5 years so far.
南北纬30º—40º附近的大陆东岸是( )