问题
单项选择题
固定义齿选择基牙时,以下哪种说法不确切()
A.牙冠长大
B.牙根长大
C.必须是活髓牙
D.牙周健康
E.基牙位置正常
答案
参考答案:C
固定义齿选择基牙时,以下哪种说法不确切()
A.牙冠长大
B.牙根长大
C.必须是活髓牙
D.牙周健康
E.基牙位置正常
参考答案:C
补全对话。 (从方框里选择合适的句子补全对话)。 | |
A: Come here, Panos! Look! There's a box near the big tree. B: 1______ A: 2______ I think there are some books. B: No, I think there's a football. A: 3______ B: Ah, there's a football and some books. A: Oh! 4______ B: It's Tom's. Let's find him and give him the box. A: Great! 5______ | |
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