题目

66. Without the boss’s p____________(允许), no one can enter the room with a lot of important documents. 67. It’s polite to a____________ to your teacher for being late for the class. 68. Children are always full of c___________ and want to know about everything around them. 69. It's good m____________ to say good-bye to the host when leaving. 70. What she saw t____________ her and she had bad dreams every night after that.      71. Reading aloud is ____________ (根本的) to learning English well. 72. To do this work well needs some  ____________ (耐心)（本题6分）如图，在平面直角坐标系xoy中，A(－1,4)，B(－2，0)，C(－4,2)(1)、请画出△ABC关于y轴对称的△A′B′C′（其中A′，B′，C′分别是A，B，C的对应点，不写画法）；(2)、直接写出A′，B′，C′三点的坐标：A′( )，B′( )，C′( )△ABC的面积= ．