简述低温破碎法的基本原理？
参考答案：
该方法是为解决常温下难粉碎的物料（如橡胶、塑料）、热敏性材料及食品和生物材料等的粉碎而采用的一种方法。
During the period when he was in hospital, I _____ him to give up smoking but he still smokes. [ ]
A. persuaded
B. advised
C. thought
D. suggested
