Unit 1 Section B & Self Check单元知识点讲解2022-2023学年人教版英语八年级下册

Unit 1 What’s the matter? Section B & Self Check 教材知识全解 讲透知识 查漏补缺 知识点一 定语从句的用法· 教材原文 Aron Ralston is an American man who is interested in mountain climbing.阿伦·罗尔斯顿是一个对 登山感兴趣的美国人.本句中的 who is interested in mountain climbing 是定语从句,修饰先行词an American man,其中who是关系代词,在定语从句中作主语,也可以用that来代替. I don't know the man who/that is wearing a blue T-shirt.我不认识那个穿蓝色T恤的男人. 例1 (2020山东滨州中考)-Do you know Li Ziqi? -Of course. She is a beautiful girl________ has made many videos to show a traditional Chinese way of life. A. whose B. where C. which D. who 解析 句意:-你知道李子柒吗?-当然了.她是一个制作了许多展示传统中国生活方式的视频的漂亮女孩.句中a beautiful girl是先行词,表示“人”,所以使用关系代词who引导定语从句,who has made many videos to show a traditional Chinese way of life作a beautiful girl的定语.故答案选D. 答案 D 知识点二 be used to的用法 教材原文 As a mountain climber, Aron is used to taking risks.作为一名登山者,阿伦习惯了冒险. be used to 后接名词、代词或动名词,意为“习惯于······”. They are used to living in the big city.他们习惯居住在大城市了. 辨析 be used to do sth.与 be used to doing sth. 短语 释义 例句 be used to do sth. 被用来做某事 Wood can be used to make paper.木头能够被用来造纸 Be used to doing sth. 习惯于做某事 I am used to walking after dinner.我习惯晚饭后散步. 例2 (2020四川成都期末)Mandy is French. But she________ eating Chinese food. A. used to B. is used to C. uses to 解析 句意:Mandy是法国人,但她习惯了吃中国食物.be used to doing sth.意为“习惯于做某事”.根据后面的eating可知答案选B. 答案 B 知识点三 run out的用法······ 教材原文 But when his water ran out, he knew that he would have to do something to save his own life.但是当他的水用完的时候,他知道他将不得不做些事情来挽救他自己的生命. run out是“动词＋副词”结构的短语,意为“用完;耗尽”,主语通常是“时间、金钱、食物”等无生命的东西. All the money ran out.所有的钱都花光了. 拓展 run out of也可以表示“用完;耗尽”,主语通常是人. We've run out of our pocket money.我们已经把零花钱花完了. 例3 (2020北京北大附属实验学校月考)He________ his money. And he asked his mother for some. A.ran out of B. is run out C. was run out D.ran out 解析 句意:他用光了他的钱.并且他向他母亲要了一些. run out意为“用光”,主语通常是金钱、时间等.run out of后接宾语,主语通常是人.本句时态为一般过去时,结合句中的主语He可知答案选A. 答案 A 知识点四 cut off的用法 教材原文 So he used his knife to cut off half his right arm.所以他用他的刀切断了他的半条右臂.本句中的cut off是固定短语,意为“切除”. He cut of