菜点不符合质量要求，偷工减料，以次充好，这是严重的欺骗行为，也是不遵守行业职业道德的表现。( )
参考答案：对
Kate ________ on her new novel, which is supposed to come out next month.
A．was working
B．had worked
C．will be working
D．has been working
输液过量诱发充血性心力衰竭的发病机制是（）
A.原发性心肌收缩力下降
B.继发性心肌收缩力下降
C.容量负荷过重
D.压力负荷过重
E.梗阻性病变
