2. 外语
  3. Enamel, the hardest substance in a human being’s body, covers the entire crown of the tooth.

Enamel, the hardest substance in a human being’s body, covers the entire crown of the tooth.

admin2012-07-30  35
问题 Enamel, the hardest substance in a human being’s body, covers the entire crown of the tooth.
选项 A、whole
B、inseparable
C、superficial
D、main
答案A
解析 整个
转载请注明原文地址:https://jikaoti.com/ti/7ANsFFFM
本试题收录于： 职称英语综合类A级题库职称英语分类
0

职称英语综合类A级

职称英语

相关试题推荐
随机试题
最新回复(0)