单选题:如果发现该儿童患氟牙症的牙整个牙面呈现明显的白垩釉质,釉质表面无明显缺损,根据TF分类法,将该牙记分为

题目内容:
如果发现该儿童患氟牙症的牙整个牙面呈现明显的白垩釉质,釉质表面无明显缺损,根据TF分类法,将该牙记分为
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I would have finished my paper if it wasat all possible, but

I would have finished my paper if it wasat all possible, but I was fully occupie

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The flowers in the vase shriveled because they hadn't been w

The flowers in the vase shriveled because they hadn't been watered for a week.

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下列结构设施中既可以用于坡面冲刷防护,又可用于路基边坡支撑,还可用于堤岸支挡的是( )。

下列结构设施中既可以用于坡面冲刷防护,又可用于路基边坡支撑,还可用于堤岸支挡的是( )。

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当采用不同类土分层填筑路基时,下列做法中最好的是( )。

当采用不同类土分层填筑路基时,下列做法中最好的是( )。

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The boss took it for granted that his secretary should keep

The boss took it for granted that his secretary should keep him well-informed.

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