问题
单项选择题 A1/A2型题
选用倾斜牙作固定桥基牙的最大障碍是（）
A.牙髓损伤
B.牙冠固位不足
C.共同就位道的获得
D.倾斜度
E.牙周创伤
答案
参考答案：C
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选用倾斜牙作固定桥基牙的最大障碍是（）
A.牙髓损伤
B.牙冠固位不足
C.共同就位道的获得
D.倾斜度
E.牙周创伤
参考答案：C
I work in a small shop. It is near____46____English school. Every day students come to___47__things in the shop.___48___the morning, I get up at six, and then I have____49___. I go to work___50____my bike. I get to the shop at about six forty. The shop___51____open from 7:00 a.m. to 7:00 p.m. We____52___many things like food and drinks. We have school things,___53____. So there are ___54____ people in our____55___ from morning to evening.
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