呃逆病位在(),病变关键脏腑在()
参考答案:膈;胃
施工现场由于使用临时用电,故不会发生人身触电和火灾事故。
_____ of the apple ____ bad and he has to throw it away.
A.two third; went
B.an half; went
C.two thirds; go
D.two thirds; goes