按照账户反映的经济内容分类,“资产减值损失”属于流动资产类账户。
参考答案:错
—Does the old man know the museum very well?
—No, this is the first time he __________ here.
A.was
B.came
C.has been
D.is coming
凝集试验检测特异性IgM是诊断布氏杆菌病的实验方法之一,具有一定诊断价值的校价应高于()
A.1:40
B.1:80
C.1:160
D.1:320
E.1:640