患者，男，12岁，4个第一磨牙远中关系，前牙Ⅲ度深覆
，Ⅱ度深覆盖，下切牙咬在上牙腭侧龈组织，上前牙有散在间隙，上颌A区侧切牙舌向错位，下颌闭合道接近正中合时后退。面中1／3轻度前突，面下1／3较短。
对此患者应诊断为（）
A.安氏Ⅰ类错
B.安氏Ⅱ类1分类错
C.安氏Ⅱ类2分类错
D.安氏Ⅲ类错
E.牙列轻度拥挤
参考答案：B
| 完形填空。 | ||||
| A sad little boy was in search of happiness and wanted to meet God (上帝). On his way, he saw an elderly woman 1 in a park watching some birds. The boy sat down 2 her. He opened his bag to-take a drink, when he noticed the lady looked 3 . So he offered her a piece of cake. She accepted it and smiled at him. Her 4 was so wonderful that he wanted to see it again. Then he offered her a can of coke. Once again she smiled at him. The boy was pleased! They 5 there all afternoon, eating and smiling without saying a word. 6 it began to grow dark, the boy got up to leave, but before he had gone no more than a few steps, he turned around, ran 7 to the old woman and gave her a big hug (拥抱). She gave him her biggest smile ever. When the boy arrived home, his mother was 8 by the look of joy on his face. She asked, "What has made you so happy today?" He 9 , "I had lunch with God. She's got the most beautiful smile in the world!" And when the old woman returned to her home, she told her son that she had lunch with God. Too often we overlook (忽视) the 10 of a touch, a smile, a kind word, a listening ear, or the smallest act of caring. However, all of these have the possible power to turn a life around. | ||||
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