以下关于呃逆哪项正确()
A.病位在脾
B.病位在胃
C.病变的关键脏腑在脾
D.病变的关键在胃
E.病变的关键在膈
参考答案:D
4.My hands are dirty. I ______ the wall the whole morning but haven’t finished yet.
A.have painted
B.have been painting
C.am painting
D.Painted
糖原合成的关键酶()
A.己糖激酶
B.糖原合酶
C.磷酸化酶
D.丙酮酸羧化酶
E.6-磷酸葡萄糖脱氢酶