欢迎来到牛牛题库网 牛牛题库官网
logo
搜索

判断题

维生素D是维持人类生命所必需的营养素,是钙代谢最重要的生物调节因子之一。( )
正确
错误

【参考答案】

正确

点击查看答案

相关考题

未知题型
商业银行对同时符合下列()条件的微型和小型企业债权的风险权重为75%。
未知题型
基金管理人应当自收到验资报告之日起()内，向中国证监会提交备案申请和验资报告，办理基金备案手续。
问答题
(1) is a natural process. Many species had ceased to exist before humans (2). However, in the last 400 years, the number of animals and plants becoming (3) has reached crisis point. Human population levels have risen dramatically in the same time period and man's predatory (4) combined with his ruthless consumption of natural (5) are directly responsible for the situation. 无解析
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题