对于CRTSⅠ型板式无砟轨道水泥乳化沥青砂浆，流动度指标的计量单位是（）。
A、s
B、min
C、h
D、%
参考答案：A
I'd like to arrive 20 minutes early ____ I can have time for a cup of tea. [ ]
A. as soon as
B. as a result
C. in case
D. so that
针眼形成原因
