下列对结合胆红素的叙述哪一项是错误的()
A.与重氮试剂呈阳性反应
B.主要是双葡糖醛酸胆红素
C.水溶性大
D.随正常人尿液排出
E.不易透过生物膜
参考答案:D
_______ that he isn't adequate to the present job, he devotes all his spare time to studying professional
skills. [ ]
A. To concern
B. Concerning
C. Having concerned
D. Concerned
工作压力为5MPa的压力容器属于( )。
A.高压容器 B.中压容器C.中低压容器 D.低压容器