【单选题】听力原文:M: I was wondering if I could take four courses next semester. W: Why don't you choose three instead of four? We already have such a heavy course load. Q: What does the woman suggest the man do? ...
A.
It would be better to choose more.
B.
Three people have taken the course.
C.
The man should attend tile class at three.
D.
Four courses may be too many.
【单选题】—Wow, the girl won a million dollars. How lucky! —If I _____ a lottery, I _____ give some of it to charities. [ ]
【多选题】下列关于土钉墙支护体系与锚杆支护体系受力特性的描述,()是正确的。
A.
土钉所受拉力沿其整个长度都是变化的,锚杆在自由段上受到的拉力大小是相同的
B.
土钉墙支护体系与锚杆支护体系的工作机理是相同的
C.
土钉墙支护体系是以土钉和它周围加固了的土体一起作为挡土结构,类似重力挡土墙
D.
将一部分土钉施加预应力就变成了锚杆,从而就形成了复合土钉墙支护