白喉的病变性质属于( )
A．浆液性炎B．纤维素性炎C．化脓性炎D．出血性炎E．变质性炎
参考答案：B
According to some recent reports, the urban masses, particularly middle-class women, are continuing their spirited ______ of new products.
A．assumption
B．conception
C．consumption
D．recognition
设计核算的编制方法中，( )是编制单项工程综合概算的依据。
A．单项工程概算
B．设计概算
C．投资估算
D．单位工程概算
