—They are on the table.
如图,已知,在△ABC中,CA=CB,∠ACB=90°,E,F分别是CA,CB边的三等分点,将△ECF绕点C逆时针旋转α角(0°<α<90°),得到△MCN,连接AM,BN.
学会做学习的管理者,首先应该( )
下列属于艾滋病主要传播途径的是
It's yellow and long. It is sweet. What is it? ( )