煤油的安全性包括防火和防毒两个方面,用闪电、硫醇硫和硫含量三个指标来评定。
参考答案:对
With that information ____, I sought out Douglas Smith, director of the Center for Brain Injury and Repair at the University of Pennsylvania.
A.in hand
B.in the hand
C.in hands
D.in the hands
一患者被毒蛇咬伤后,局部伤口剧痛、肿胀、起水疱。伴有寒战、发热、肌肉酸痛,皮下有出血点。证属:()
A.风毒证
B.火毒证
C.风火毒证
D.热毒证
E.湿毒证