第1题: [单项选择]Passage One Questions 26 to 28 are based on the passage you have just heard. A. Catching runaway criminals. B. Scratching the hidden bombs. C. Patrolling the dangerous town. D. Drug-sniffing or bomb-sniffing. 参考答案:D 答案解析:[听力原文] What do dogs learn during the 9-week training
第14题: [单项选择]10名女油漆工在一大罐内手工涂漆,未采取个人防护措施,罐内亦无通风设备。丁作不久即感头昏、胸闷、气短、全身无力,15~20分钟内有4名油漆工倒地昏迷,神志不清,立即送医院抢救。经对症治疗,3天后均痊愈出院。经了解,稀释油漆的溶剂为二甲苯。模拟现场作业条件,测定空气中二甲苯浓度为1020mg/m3。 最理想的预防措施是 A. 涂漆时佩戴纱布口罩 B. 增加工间休息 C. 加强罐内通风换气 D. 采用自动化喷漆 E. 采用人工喷漆 参考答案:D