1 000元面值的债券称为1手。()
A. 正确
B. 错误
某桩基工程安全等级为二级,其桩型平面布置、剖面和地层分布如图所示,已知轴力 F=12000kN,力矩M=1000kN.m,水平力H=600kN,承台和填土的平均重度为 20kN/m3,自重荷载分项系数取1.2,桩顶轴向压力最大设计值的计算结果最接近下列哪一选项?()
A. 1020kN
B. 1232kN
C. 1380kN
D. 1520kN
听力原文:M: Please tell me I haven't missed the deadline for tuition payment.
W: I'm afraid you are about a week late.
Q: What does the woman mean'?
(15)
A. She's worried that the man will miss next week's deadline.
B. She doesn't know when the deadline for tuition payment is.
C. The man should have paid his tuition a week ago.
D. The man has all week to pay his tuition.
听力原文:W: Are you sure this is the fight way to the laboratory? I can't afford to be late.
M: Don't worry. We'll be there in no time.
Q: What does the man mean?
(17)
A. He has never been to the laboratory.
B. He wants to stop and ask for directions.
C. The woman won't be late.
D. The program in the laboratory has already begun.