It is important for the government to tighten regulation on some behaviour,especially those which have been proven to be damaging to health.句中为什么用to be damaging to health这种形式?damaging是形容词吗?
damaging 是形容词,同义词是 harmful 。
be damaging to ... 对......有害:Smoking is damaging to health . 吸烟有害健康。(摘自《牛津英语搭配词典》第2版英汉双解版p.404)
be harmful to ... 对......有害:pesticides that are harmful to the environment 对环境有害的杀虫剂 (摘自《牛津英语搭配词典》第2版英汉双解版p.803)