连续培养酵母菌的措施中不正确的是()
A、及时补充营养物质
B、以青霉素杀灭细菌
C、以缓冲液控制pH在5.0~6.0之间
D、以酒精浓度测定生长状况
参考答案:D
—Where ______ the Greens ______ their weekends?
—They often go to the park. [ ]
A. does; has
B. do; have
C. does; have
D. do; has
厚朴的功效是()
A.燥湿
B.下气
C.消痰
D.补脾
E.除胀