NAVLE（北美执业兽医考题）Day 587

单选题，正确答案是100分，非正确答案为0分，Good Luck！

How common are dental caries (cavities) in dogs?

犬的龋齿发病率是多少？

A - Common 很常见

B - Seen in 35% of adults older than 5 years 5岁以上的成犬大概发病率为35%

C - Uncommon 少见

D - Seen in 75% of adults older than 5 years 5岁以上成犬发病率为75%

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