在血液中,抗坏血酸浓度最高的为()。
A.白细胞和血小板
B.红细胞
C.白细胞
D.血小板
E.血浆
参考答案:A
解析:血液中,白细胞和血小板的抗坏血酸浓度最高。
I received an invitation to dinner from my friend,and with my work________,I gladly accepted it. [ ]
A. was finished
B. finishing
C. having finished
D. finished
下述各术式中,属于无张力疝修补术的是()
A.利用人工合成材料进行的疝修补术
B.Ferguson法
C.McVay法
D.Halsted法
E.Bassini法