30岁就诊患者，口腔卫生情况不佳，左下第一恒磨牙患者有牙髓-牙

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问题单项选择题

30岁就诊患者，口腔卫生情况不佳，左下第一恒磨牙患者有牙髓-牙周联合病变，疼痛剧烈，但患牙无松动。为了消除病痛，恢复健康。

另外，还应嘱咐病人做好口腔保健，除外

A．学习口腔健康知识
B．养成良好卫生习惯
C．合理使用氟化物
D．定期口腔检查
E．经常自我检查龋活性

答案

参考答案：E

选择题

下表中物质的分类组合正确的是[ ]

句型转换

句型转换。

1. We'1l soon go to Hawaii for our vacation．I hope it． (合为一句)

We hope to____ ________ Hawaii for our vacation____.

2. The book cost me five yuan．(改为同义句)

I____ five yuan ____ the book.

3. You won't catch the bus unless you start right now． (改为同义句)

You won't catch the bus ____you____ _______ right now.

4. I want to go to France some day．(改为同义句)

I want to go to France _______ ________．

5. The shoes are very cheap．(改为同义句)

The____ of the shoes ____ very____.