单项选择题 CBG020压杆式黄油抢在已排尽空气仍然打不出润滑脂时，应停止操作、并仔细检查抢内的，故障排除后，方可重新操作（）

未知题型 purely perceive discourage dynamics unlikely specialty reasonably sink extended actually My father was a historian and his was the history of Germany.

单项选择题 顾客想要预售买一副幻蝶金棕的日抛美瞳，她在活动开始后前1000名付款，会得到什么样的赠品（）