成人每日分泌胆汁约为()
A.400~600ml
B.600~800ml
C.800~1200ml
D.1200~1400ml
E.1500ml以上
参考答案:C
In his novels of social satire, ______ made realistic studies of the aspirations and frustrations of the "Little Man. "
A. Arnold Bennett B. H. G. WellsC. John Galsworthy D. George Bernard Shaw
政府采购的主体包括( )。
A.国家机关
B.事业单位
C.国有企业
D.团体组织