关于氟牙症,正确的是A.是一种特殊的釉质发育障碍B.患者易发生龋病C.主要是饮用水中氟含量过低所致D.在氟牙症流行区饮水中氟含量约在0. ...

作者: rantiku 人气: - 评论: 0
问题 关于氟牙症,正确的是 A.是一种特殊的釉质发育障碍 B.患者易发生龋病 C.主要是饮用水中氟含量过低所致 D.在氟牙症流行区饮水中氟含量约在0. 2ppm以下 E.釉质中由羟磷灰石取代钙氟磷灰石
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答案 A
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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
  • 文件: /twcms/kongphp/cache/cache_redis.class.php
  • 位置: 第 85 行
    <?php echo 'KongPHP, Road to Jane.'; ?>