A-A+
The towers of a suspension bridge serve as a r
问题详情
The towers of a suspension bridge serve as a rigid framework to which the cables are attached.
A．boundary
B．skeleton
C．enclosure
D．material请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：framework：框架；基本结构。skeleton：骨架；骷髅。Hisconstructionsarecenteredaroundsteelskeletons．他的建筑以钢骨架为中心。boundary：分界线。territorialboundaries：领土边界。enclosure：围绕；围墙。material：材料。
