临边防护栏钢筋横杆下杆直径不应小于()。
A、10mm
B、12mm
C、14mm
D、16mm
参考答案:C
—I'm sorry for being late. I wanted to be here earlier, but the traffic was too heavy.
—________. Please take your seat. [ ]
A. Never mind
B. That's right
C. Thank you
D. Glad to hear that
下列属于复合表的是()。
A.主要产品单位成本表
B.资产负债表
C.利润表
D.现金流量表