以腰膝酸软，胎动易滑为特征的证候是（）
A．肾虚水泛证
B．肾阳虚证
C．肾阴虚证
D．肾精不足证
E．肾气不固证
参考答案：E
Our neighbour has _________ours.[ ]
A. as a big house as
B. as big a house as
C. the same big house as
D. a house the same big as
抗渗性要求高的混凝土工程，不能选用矿渣硅酸盐水泥。
