下列可用于志贺菌和沙门菌分离的选择培养基是() ["血平板","巧克力平板","BCYE平板","SS琼脂","TCBS琼脂"]
饮水中氯化副产物的形成主要是() ["采用二氧化氯消毒含腐植酸等有机前体物的水体","采用氯消毒含腐植酸等有机前体物的水体","采用臭氧消毒含腐植酸等有机前体物的水体","采用紫外线消毒含腐植酸等有机前体物的水体","采用硫酸铝消毒含腐植酸等有机前体物的水体"]
沥青棍合料的耐久性主要包括沥青混合料的() ["A.抗老化性 ","B.水稳性 ","C.耐久性 ","D.抗疲劳性"]
下列各药,用法错误的是() ["滑石布包入汤剂","琥珀入汤剂先煎","钩藤入汤剂后下","雷丸研末温开水调服","麝香入丸散服"]
患者,女,40岁。胸闷气短1个月,伴全身乏力,咳嗽,发热。胸片示:中上纵隔增宽,右缘呈波浪状改变。白细胞:8.0×109/L。最可能的诊断是() ["胸内甲状腺肿","淋巴瘤","畸胎瘤","右侧中央型肺癌","胸腺瘤"]
大气边界层