改变连续监测酶活性浓度的常数K值大小最方便的途径是()
A.改变酶反应温度
B.改变监测时间长短
C.改变底物浓度
D.改变标本稀释度
E.改变酶反应的pH值
参考答案:D
Tony told me he was tired _____ cutting grass for the whole morning and that he wanted to
have a good rest. [ ]
A. of
B. in
C. on
D. with
藿香正气散治证的表现有()
A.霍乱吐泻
B.恶寒发热
C.脘腹疼痛
D.头痛
E.舌苔黄腻