烧结反映生产率的指标是()
A、台时产量
B、利用系数
C、成品率
D、强度
参考答案:B
Just then it suddenly ___ to me that the two of us could share the dinner together . [ ]
A. happened
B. hit
C. occurred
D. struck
与西方现代建筑相比,中世纪的建筑多是属于单栋建筑。