1、 Unit 1易混淆词语辨析1. disease和illnessdisease作名词，只用作可数名词，指各种疾病的术语，常表示特定的具体的病名、病类。如：The business of doctors is to prevent and cure diseases.医生的职责是预防和治疗疾病。illness也可以表示“疾病”。illness 既可用作可数名词也可用作不可数名词，它是最普通的用语，泛指得了某种疾病后身体的不适状态。如：Several children are away from school because of illness.几个孩子因病没来上学。2. be made of，
2、be made from，be made in，be made by和be made intobe made of意为“由制成的”，表示可看出原材料是什么。如：This chair is made of wood. 这把椅子是木质的。be made from意为“某物由制成”，表示制成的东西完看不出原材料，在成品中已无法辨认。如：Paper is made from wood. 纸是木头造的。be made in 意为“在某地生产或制造”，in 后面接地点名词。如：The watch is made in Shanghai. 这块手表是在上海制造的。be made by 意为“由制造”，by
3、后面接动作的执行者；如：This dinner was made by my mother. 这顿晚饭是由妈妈做的。be made into 意为“被制成”指某种原料被制成某种产品，和be made of / from 正好相反。如：The wood is made into desks. 木头被制成桌子。3. regret doing和regret to do regret doing sth. 表示对做过的事遗憾、后悔，注意事情已经做过。如： IdontregrettellingherwhatIthought. 我不为告诉她我的想法而后悔。regret to do 表示为要做的事感到抱歉、遗憾，注意事情未做。如：Iregrettohavetodothis,butIhavenochoice. 我很遗憾必须这样去做，我实在没有办法。We regret to inform you that your application has not been successful. 我们很遗憾的通知你，你的申请未通过。
