问题
单项选择题
患者，男，9岁，面中份凹陷，面下1/3高度偏小，下颌前伸，前牙反
，可退至切。磨牙近中关系，ANB0°，上前牙略内倾，下前牙直立
本患者可能的病因是（）
A．遗传因素
B．不良习惯
C．营养不良
D．咬合干扰
E．以上都不是
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
患者，男，9岁，面中份凹陷，面下1/3高度偏小，下颌前伸，前牙反，可退至切。磨牙近中关系，ANB0°，上前牙略内倾，下前牙直立
本患者可能的病因是（）
A．遗传因素
B．不良习惯
C．营养不良
D．咬合干扰
E．以上都不是
参考答案：D
| 完形填空。 | ||||
| Sharon wrote this when she was 16 and in the llth grade. Her goal is to become an international diplomat (外 交官) and peace-maker. It was my first day at school. I felt 1 and scared. I went to all my classes with no 2 . It felt like no one 3 . I listened anxiously to all the lessons and waited for lunch 4 at 1:00. Then finally the bell rang. It was time to talk and have 5 . In the lunch line I met a new friend who wore a hijab (穆斯林妇女戴的面纱) on her head, and though I am 6 , we got along fine, and I was so 7 when she said,"Sit with us, at our table." She pointed to the one next to the door. So I 8 , and took my tray and was 9 to walk with her across the floor, when suddenly I felt a jog. "Hey, I saw you on the bus," said a tall girl in a long skirt."I see your Jewish star necklace. You 10 sit with us." At that moment I looked around, and that's when I 11 , to my surprise, the nations of the world, 12 themselves. That's what I saw through my own eyes. The Spanish only sat with Spanish, the Hindus only with Hindus, the Russians always with the Russians, and 13 the Arabs with the Jews. I saw the reason why 14 got started. Everyone 15 to their own kind. The 16 was just like a map of the world, where there should never have been so much separation among nations. But why was everyone so 17 ? And so I turned 18 this girl, and went with the first, and there was no offence, I built a 19 between two worlds when I sat with those 20 from me. | ||||
|