For different types of insoluble electrolytes, it is necessary to calculate the concentration of reagent needed to judge the order of precipitation, and the one with higher concentration of reagent precipitates first.

糖、脂、氨基酸代谢，正确的是（）

未知题型糖、脂、氨基酸代谢，正确的是（）

What of the following basic stories is usually a varian...

单项选择题What of the following basic stories is usually a variant of the classical tragedy?    
A、Candide
B、Cinderella
C、Achilles
D、Faust

最常见的化学修饰调节是（）

未知题型最常见的化学修饰调节是（）