价格优先是指较低价格买进申报优先于较高价格买进申报，较高价格卖出申报优先于较低价格卖出申报。 ( )
参考答案：错
— Hi, Michelle, I can't find my e-dictionary.
— Sorry, I _____ it. I guess I put it on the top shelf with my things. [ ]
A. had used
B. used
C. was using
D. am using
在下列疾病中，不属于神经症的是（）
A.疑病症
B.强迫症
C.孤独症
D.焦虑症
E.恐怖症
