【判断题】生物安全的概念广义上理解:包括安全和安保两层含义
【简答题】_____ my appreciation 表达我的感激之情
【简答题】A principal decided to honor the teachers in his school to show his appreciation(感激)for their hard work. He told them how they made a difference in their jobs. Then he gave each of them a blue ribbon(...
【单选题】You have my word that you shall have the certificate before you _____ this summer. [ ]
【简答题】广义安全文化描述正确的包括() A)把“安全”和“文化”两个概念都作广 B)安全不仅包括生产安全,还扩展到生活、娱乐等领域 C)文化的概念包涵了观念文化、行为文化、管理文化等人文方面 D)文化的概念包涵了包括物态文化、环境文化等硬件方面。 E)安全文化是比较狭窄的范畴
【判断题】广义的“生物安全”包括:外来生物入侵、重大生物灾害、转基因生物、生物武器。