不属于溶血性黄疸的实验室检查特征是()
A.血中胆红素增高
B.粪中粪胆原增高
C.尿中尿胆原增高
D.尿中胆红素阳性
E.尿中尿胆素阳性
参考答案:D
It would be your duty to bear it, if you could not avoid it: it is weak and silly to say you cannot bear _______ it is your fate to be required to bear.
A.that
B.what
C.when
D.where
圆锥销与工件圆孔的接触线为一个圆,限制工件的()自由度。
A.六个
B.五个
C.四个
D.三个