—How is he getting on with his spoken English?          

—Great. Now he can speak English ______ his English teacher.        [ ]

A. as better as

B. as well as

C. as good as

D. as many as

下列不属于血液感染常见病原菌的是（）

A．脑膜炎奈瑟菌

B．大肠埃希菌

C．伤寒沙门菌

D．福氏志贺菌

E．铜绿假单胞菌