题型:判断题 将与图片相符合的句子的标号填在括号内。A. Mr Green is very busy. He is running to the office.B. I will be home at five o'clock.C. Sam will go to school at nine o'clock.D. She is in the library now. 查看答案
题型:判断题 关于二级生物安全水平实验室,不正确的是()A.不需要配备生物安全柜B.门保持关闭并贴适当的危险标志C.执行生物学操作技术规范,配备个人防护装备D.已知的或潜在的感染废弃物与普通废弃物分开E.就近配备压力蒸气灭菌器或其他设施清除感染因子 查看答案