问题
单项选择题
从正面观，无牙颌的上颌蜡堤前部平面应与下列哪个连线平行（）
A．眼外眦—耳屏连线
B．鼻翼-耳屏中点连线
C．眶耳平面
D．鼻翼-耳垂平面
E．瞳孔连线
答案
参考答案：E
解析：
堤要求平面的前部在上唇下缘以下露出约2mm，且与瞳孔连线平行，平面的后部从侧面观要与鼻翼耳屏线平行。
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从正面观，无牙颌的上颌蜡堤前部平面应与下列哪个连线平行（）
A．眼外眦—耳屏连线
B．鼻翼-耳屏中点连线
C．眶耳平面
D．鼻翼-耳垂平面
E．瞳孔连线
参考答案：E
解析：
堤要求平面的前部在上唇下缘以下露出约2mm，且与瞳孔连线平行，平面的后部从侧面观要与鼻翼耳屏线平行。
My name is David. I live in a big house with my . Our house not near a city. It is twenty kilometers (公里） the nearest (最近的）city. There are people in my family. I live with my parents, my two sisters my brother. Our house has two floors. There a living room, four bedrooms, a dining room, a kitchen and two . I share a bedroom _ my brother, Simon. Each of my two sisters a bedroom. Our house has a big garden _ lots of flowers. I like in the garden with my brother and . At weekends my school friends come to see me. We play in the garden. it rains, we play in the room. Our home is a nice place live in. I have with my friends and family in our house.
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