食品检验实行（）负责制。
A.食品检验机构
B.检验人
C.食品检验机构与检验人
D.行政机构
参考答案：C
Jack asked _________.
A．when he will arrive tonight
B．when will he arrive tonight
C．when he would arrive that night
D．when would he arrive that night
妊高征的基本病理生理变化是（）
A.弥散性血管内凝血
B.全身小动脉痉挛
C.肾小球滤过率降低
D.水钠潴留
E.肝细胞坏死
