1.仔细观察下列图案.按其中存在的规律在横线上画出合适的图形.2.在平面镜里看到背后墙上电子钟读数如图1所示.这时的实际时间应该是____.3.下列图案是我国几家银行的标志,其中轴对称图形有().A.1个B.2个C.3个D.4个4.下列图案中,有且只有三条对称轴的是().5.如图2.△ABP与△CDP是两个全等的等边三角形,且PA⊥PD.有下列四个命题:①∠PBC=15°;②AD∥BC;③直线PC与AB垂直;④四边形ABCD是轴对称图形. 1. Observe the following pattern carefully. Draw the appropriate pattern on the horizontal line according to the existing rules. 2. Look at the back wall electronic clock reading in the plane mirror as shown in Figure 1. The actual time at this time should be ____ The following patterns are signs of several banks in China. Among them, axisymmetric patterns include ().A.1 B.2 C.3 D.4 4. In the following patterns, there are only three axes of symmetry. Yes (). 5. As shown in Figure 2. △ABP and △CDP are two congruent equilateral triangles, and PA ⊥ PD. There are the following four propositions: 1 ∠ PBC = 15 °; 2AD ∥ BC; 3 linear PC Perpendicular to AB; 4 quadrilateral ABCD is axisymmetric.