单选题:培训的对象主要分为3个层次,其中( )是建立和实施职业健康安全管理体系的翔键。 题目分类:基础知识 题目类型:单选题 查看权限:VIP 题目内容: 培训的对象主要分为3个层次,其中( )是建立和实施职业健康安全管理体系的翔键。 参考答案: 答案解析:
We can infer from the last sentence of the third paragraph t We can infer from the last sentence of the third paragraph that __________ 分类:基础知识 题型:单选题 查看答案
Questions are based on the passage you have just heard. Questions are based on the passage you have just heard. 分类:基础知识 题型:单选题 查看答案