汽轮机的保护系统要进行定期试验，要求事故直流电动油泵、事故高压电动油泵（）检查启动一次
A.每周
B.每月
C.每季
D.每半年
参考答案：B
—I’m sorry; I shouldn’t have been so rude to you.
—You ______ something not very nice to me, but that’s OK.[ ]
A. have said
B. had said
C. were saying
D. did say
虚构多见于( )
A．分离性障碍 B．躁狂发作C．各种原因引起的痴呆 D．偏执型精神分裂症
