下列聚合物中，通过缩聚反应生成的是：

The boy admires his father and ______ his every word．Th...

未知题型The boy admires his father and ______ his every word．The boy admires his father and ______ his every word．

He is thoughtfulnd qulified fther; He ____some time eve...

单项选择题He is thoughtfulnd qulified fther; He ____some time every dy to red to his children.sets d

郭沫若、宗白华和田汉三人通信集的名称是（ ）。

未知题型郭沫若、宗白华和田汉三人通信集的名称是（ ）。