单选题:如果在密闭场所使用内燃机,工人应采取__________措施免受危害。 题目分类:安全生产技术 题目类型:单选题 查看权限:VIP 题目内容: 如果在密闭场所使用内燃机,工人应采取__________措施免受危害。 参考答案: 答案解析:
The researchers of the project have to be very careful with The researchers of the project have to be very careful with every part if it____ 分类:安全生产技术 题型:单选题 查看答案
—__________do you think of this story?—It's very interesting —__________do you think of this story?—It's very interesting. 分类:安全生产技术 题型:单选题 查看答案
I don't think the film is worth__________. I don't think the film is worth__________. 分类:安全生产技术 题型:单选题 查看答案
根据下列选项,回答题。用补益药治疗某些具有闭塞不通症状的病证而取效,属于( ) 根据下列选项,回答题。用补益药治疗某些具有闭塞不通症状的病证而取效,属于( ) 分类:安全生产技术 题型:单选题 查看答案