ideological and theoretical qualities and practical working ability, and strive to build a contingent of league cadres with positive work style and high quality
Hold a regular meting of the party secretary every fortnightly, arrange the work of the regiment, fedback the student information
Focus on training junior high school, junior high school secretary of the regiment branch to enable them to raise A firm political conviction, diligent and diligent learning spirit and practical and innovative work style
图形的轴对称一、选择题1.下列图案是轴对称图形的是( )A. B. C. D.2.下列四个图形中,不是轴对称图形的是( )A. B. C. D.3.下列四种图形都是轴对称图形,其中对称轴条数最多的图形是( )A.等边三角形B.矩形 C.菱形 D.正方形4.如图,∠3=30°,为了使白球反弹后能将黑球直接撞入袋中,那么击打白球时,必须保证∠1 的度数为( )A.30° B.45° C.60° D.75°5.如图,已知正方形 ABCD 的对角线长为 2,将正方形 ABCD 沿直线 EF 折叠,则图中阴影部分的周长为( )A.8B.4C.8D.6 二、填空题6.如图,