脉冲库顶除尘器装于灰库顶部，用于灰库（）之用，保证排气无粉尘。
参考答案：向外排除空气时收集灰尘
— Hi, Julie, it's great to see you again. I hear you've traveled a lot recently.
— Yeah, but I really _____ the comforts of home. [ ]
A. miss
B. missed
C. have missed
D. had missed
建设工程竣工验收应有完整的（）和（）资料
