精选优质文档-倾情为你奉上Unit1Willpeoplehaverobots?重难1. use(1)be used to do sth 被用来做 如:A knife is used to cut something.(2)Its no use doing sth 使没有用。在做动词时“使用”“应用”的意思。后面常用句型be used to +名词(动名词)表示“习惯于”;used to do sth 表示“过去常常做某事”。如:He is used to hard work. But I was used to driving in all kind of weather. I used to go to my office on foot.在否定和疑问句中有两种做法,提前或者在后面直接加not,也可借助动词。2. less 是little的比较级,接不可数名词,最高级是 leastfewer 是few的比较级,后接可数名词,最高级是 fewest3. pollution污染,不可数名词。表示“