我国的( )是中央税，是中央政府财政收入中仅次于增值税的第二大税种。

A．消费税
B．营业税
C．所得课税
D．关税

Many of the electric and electronic products we purchase and consume today are what some industrial experts call " homogeneous toys".

A．identical

B．homosexual

C．unrelated

D．distinguishable