下列酶中可受化学修饰方式调节的是
A．丙酮酸羧化酶
B．葡萄糖激酶
C．丙酮酸激酶
D．己糖激酶
E．柠檬酸合酶
参考答案：C
Tom and Mary _____ two friends here. [ ]
A. has got
B. have got
C. hasn't got
D. has
与四环素合用，会降低其药效的是（）
A.牛黄解毒片
B.七厘散
C.莲花清瘟胶囊
D.保和丸
E.二妙丸
