问题
单项选择题
衡量一个牙是否为良好基牙的最重要的指标是（）。
A．牙槽骨的量
B．牙槽骨的密度
C．牙周膜面积
D．牙根长度
E．牙根数目
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
衡量一个牙是否为良好基牙的最重要的指标是（）。
A．牙槽骨的量
B．牙槽骨的密度
C．牙周膜面积
D．牙根长度
E．牙根数目
参考答案：C
| 情景交际。 | |
| 根据对话内容，从方框中选择适当的句子填入相应的空白处。 Zhou Jie: Hello, Liu Hong. (1)_________ Liu Hong: I feel happy. (2)__________ She is from Canada. Zhou Jie: Does she look the same as us? Liu Hong: No, she doesn’t. Zhou Jie: Really? (3)__________ Liu Hong: Her hair is long and blond. Zhou Jie: What colour are her eyes? Liu Hong: Blue. She has blue eyes. Zhou Jie: (4)__________ Liu Hong: She is 1.58 meters tall. Zhou Jie: (5)__________ Liu Hong: Her name is Helen. Zhou Jie: Oh, I know. She is a good student in our school.
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