抱索器与座椅用（）连接。
A.销轴
B.螺丝
C.铰接
参考答案：A
Surely it doesn't matter where the student associations get their money from; what _____
is what they do with it. [ ]
A. counts
B. applies
C. stresses
D. functions
风管及部件的（）与材质应符合施工验收规范规定。
A.形式
B.规格
C.数量
D.板材厚度
