检测土工织物单位面积时,所裁剪的试样数为10块,不允许多测或少测。()
参考答案:对
_____________ the ability to speak, so he used sign language to communicate with others.
A.As he lost
B.He lost
C.Having lost
D.His being lost
何谓国民经济核算?国民经济账户体系(SNA)与物质产品平衡表体系(MPS)两大模式之间有何主要区别?又有何共性?