试题与答案

正畸施力只有牙槽骨的吸收,却没有或只有少量的牙骨质吸收的原因是() A.牙骨质硬 B

题型:单项选择题

题目:

正畸施力只有牙槽骨的吸收,却没有或只有少量的牙骨质吸收的原因是()

A.牙骨质硬

B.牙槽骨修复能力强

C.牙根表面总是覆盖着一薄层尚未钙化的类牙骨质

D.牙周膜内环境的稳定性

E.颌骨可塑性强

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:知识与技能目标的音乐基础知识部分包括学习并掌握音乐基本要素、体裁形式、风格流派等等。

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10. On sunny days, you can enjoy yourself on the __________ beaches.

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