女性,52岁,B型超声波检查发现肝占位性病变1周,查肝功能正常,下列哪项检查阳性最有助于诊断原发性肝癌
A.7-GT
B.AFP
C.MRI
D.CT
E.B超
参考答案:B
It is reported that two schools, ___ are being built in my hometown,will open next year ?[ ]
A. what
B. that?
C. both of them
D. both of which
焦炉分类可按()分类。
A.装煤方式
B.煤气供入方式
C.用煤气种类
D.火焰拉长方式