问题
单项选择题
龋病的—级预防不包括
A．应用氟化物
B．窝沟封闭
C．早期充填
D．合理饮食
E．口腔健康教育
答案
参考答案：C
解析：早期充填是龋病二级预防的内容，龋病的一级预防不包括在其中。
搜题请搜索小程序“爱下问搜题”
龋病的—级预防不包括
A．应用氟化物
B．窝沟封闭
C．早期充填
D．合理饮食
E．口腔健康教育
参考答案：C
解析：早期充填是龋病二级预防的内容，龋病的一级预防不包括在其中。
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| Hi, my name is Peter. Last summer I had a 1 vacation. I went across the USA 2 my parents by car. We drove six to eight 3 a day. In big cities, we stayed in big hotels. The food 4 usually delicious. Most of the hotels had swimming pools and game rooms. I played there happily. But there were 5 people in the hotels, so we often had to sleep in one room. And it was expensive, 6 . Sometimes, we 7 in a small cabin in the mountains. I really loved it. The cabin was clean 8 quiet. We had two rooms, so I could get up late in the morning. But I always got up early 9 we wanted to go swimming. There was a beautiful lake 10 the cabin. We also went fishing and cooked food outside. | ||||
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