沉管灌注混凝土桩施工中,混凝土按设计桩顶至桩尖长度加超灌长度计算,超灌长度设计没有明确的,按( )计算。
A. 0.3m
B. 0.4m
C. 0.5m
D. 0.6m
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当水泥、石灰、砂子的一般抹灰砂浆配合比为(1:0.5:1)~(1:1:4)时,抹灰砂浆组成材料的应用范围为( )。
A. 墙面混合砂浆打底
B. 混凝土顶棚抹灰混合砂浆打底
C. 板条顶棚抹灰
D. 檐口、勒脚、女儿墙外脚以及比较潮湿处
楼地面工程块料面层中,块料面层的砂浆结合层厚度为( ),黏结剂结合层厚度为( )。
A. 2~10mm,2~4mm
B. 3~15mm,1~6mm
C. 4~18mm,2~5mm
D. 5~30mm,2~5mm
In his speech the President said that CPS went up for five()years.
A. successful
B. successive
C. continual
D. continuous
You()him the news; it just made him sad.
A. don't need to tell
B. didn't need to tell
C. needn't tell
D. needn't have told