属于N.苷的化合物是
A. 芦荟苷
B. 巴豆苷
C. 红景天苷
D. 山慈菇苷A
E. 苦杏仁苷
The water level showing in a boiler water gauge glass is usually () duringworking.
A. higher than the actual drum water level
B. equal to the actual drum water level
C. increasing due to steam condensation in the glass
D. lower than actual drum wafer level
苦味中药的作用是
A. 发散.行气.行血
B. 收敛固涩
C. 软坚散结.泻下
D. 燥湿
E. 渗湿利水
属于C-苷的化合物是
A. 芦荟苷
B. 巴豆苷
C. 红景天苷
D. 山慈菇苷A
E. 苦杏仁苷