题型:填空题 Not only_______polluted but________crowded.A.was the city,were the streetsB.the city was,were the streetsC.was the city,the streets wereD.the city was,the streets were 查看答案
题型:填空题 气溶胶吸入显像异常图像表现为()A.大气道内稍有放射性沉积 B.大气道内有较多的放射性沉积 C.大气道及小气道均有明显的放射性沉积,全肺野放射性稀疏或缺损区大于总面积的50% D.胃内见到放射性沉积 E.食管内见到放射性沉积 查看答案