美国土木工程师学会于1975年率先在产生合同争议较多的隧道工程中引入了( )。
A.DREB.DRBC.DABD.DAE
参考答案:B
Had I known her name,___________ .
A.or does she know mine
B.and where does she live
C.she would come here
D.I would have invited her
下列有关R.R汽车之叙述何者为非?()
A.重心较低
B.小型车使用较多
C.为后置引擎后轮传动汽车
D.其变速箱与差速器为一体