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问题
单项选择题 A1/A2型题
固定桥的禁忌证有()
A.基牙根尖未形成
B.后牙缺失多过3个
C.缺牙区邻牙牙髓炎治疗
D.缺牙区邻牙牙周炎无治疗史
E.以上都是
答案
参考答案:
E
填空题
选词填空,每词只能用一次。
bring, give, invite, open, something
1. I want to buy __________ for my family.
2. We __________ our friends to our house.
My friends __________ gifts for us.
We __________ our friends gifts, too.
3. Lynn gives Li Ming the gift and says, " __________ it, please."
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问答题 简答题
为什么要对除盐水脱氧?
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