It is reported that the United States uses________ energy as the whole of Europe.[ ]

A. as twice                    

B. twice much  

C. twice much as                        

D. twice as much

临床细菌的检验质量控制应包括（）。

A.标本的采集和运送、登记、保存、评价和接种

B.细菌的分离、鉴定

C.药敏试验

D.仪器、培养基、试剂的质量控制

E.人员的培训