____

终身高位截瘫女警花，轮椅上舞出美丽人生。人民警察黄曼伤残后，没有向命运妥协，住院期间，黄曼参加了专业心理辅导知识培训，获得了心理咨询师证书。2009年1月轮椅上的黄曼回到警队，开设了“黄曼警务工作室”﹣﹣人民网。从黄曼身上表现出的良好品质（    ）

①自尊自信 ②自强自立 ③自傲自负 ④勇于进取

根据短文内容，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整，每空一词，每词限用一次。

    My name is Betty. I am twelve. I have some ____. We are middle school students. We are in Class Two, Grade Seven. This is Miss Green. She is an American teacher. She ____ us English. Her classes are very ____. We all like her.

    This is my new classroom. In the classroom you can see many ____ and chairs. A blackboard, a clock and a map ____ China are on the wall. On a desk, you can see some pencils. The red one is mine. The green one is ____.

    Look! You can see a ball under the desk. That's Kate's desk. The ball is____, too. This is my desk. You can see a ____on it.

等式两边都除以同一个不是0的数，所得的结果仍然是等式．