采用公开招标方式进行政府采购的,自招标文件开始发出之日起至投标人提交投标文件截止之日止,不得少于( )日。
A.15
B.20
C.45
D.90
参考答案:B
Hearing his father was seriously ill, ______.
A.he burst into tears
B.his eyes were filled with tears
C.his face lost its colour
D.tears came to his eyes
沥青路面施工质量的控制和检查所涉及的内容主要有()
A.材料的质量检查
B.施工质量控制与检查
C.路面的外形检查
D.施工机械的选择
E.施工人员的学历层次