承包人在索赔意向通知提交后的( )天内递交正式的索赔报告。
A．7 B．14 C．28 D．56
参考答案：C
按照《铁路路基支挡结构设计规范》(TB10025-2001)，铁路路堑采用锚杆挡墙支护时，锚杆的倾角一般应为( )。
A．小于45°
B．10°～35°
C．10°～25°
D．10°～20°
He doesn’t need anyone to figure out the reason. He knows where the trouble is.
A. where the belt tightens B. where the cat jumpsC. where the shoe pinches D. where the dog lies
