A、Brush your teeth right before you go to bed in the evening. B、Have as few of your teeth pulled out as possible. C、Have your te

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问题  

选项 A、Brush your teeth right before you go to bed in the evening.
B、Have as few of your teeth pulled out as possible.
C、Have your teeth X-rayed at regular intervals.
D、Clean your teeth shortly after eating.

答案D

解析
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