Unit 5 Section A单元知识点讲解2022-2023学年人教版英语八年级下册

Unit 5 What were you doing when the rainstorm came? Section A 教材知识全解 讲透知识 查漏补缺 知识点一 过去进行时 教材原文 What was the girl doing at the time of the rainstorm?暴风雨来的时候,那个女孩正在做什么? 本句是特殊疑问句,时态是过去进行时,结构是“What+was/were+主语＋doing+其他?”,用于询问某人在过去的某个时间正在做的事情. -What were you doing at nine o'clock yesterday evening?昨天晚上九点你正在做什么? -I was watching TV at home.我正在家里看电视. 拓展 过去进行时描述过去某个时刻正在发生的动作或存在的状态,结构是“was/were+动词的现在分词”. When I got home, my mother was cooking.我到家的时候我妈妈正在做饭. 例1(2020河南鹤壁淇县期中)-________ when the rainstorm came? -He was waiting for the bus. A. What he was doing B. What is he doing C. What was he doing D. What were he doing 解析 句意:-当暴风雨来临时他正在做什么?-他正在等公共汽车.根据句中“when the rainstorm came”及答语,可知此处要用过去进行时,故选C. 答案 C 知识点二 go off的用法 教材原文 My alarm didn't go off...我的闹钟没有响······ go off意为“(闹钟)发出响声”. My alarm goes off at six every morning.我的闹钟每天早晨6点响. 归纳 go off还有“离开”和“变质”之意. Bob went off to get a drink.鲍勃拿饮料去了. Meat goes off quickly in hot weather.热天肉变质得快. 拓展 go的短语小结: go away 离开 go over 复习 go back 回去 go on 继续 go through穿过;通过 go by(时间) 过去;流逝 例2(2020黑龙江齐齐哈尔三中期中)Bad luck! My alarm didn't________ this morning and I was late for school. A. go off B. run off C. put off 解析 句意:倒霉！我的闹钟今天早晨没响,我上学迟到了.go off意为“(闹钟)发出响声＂;run off意为“溢出”;put off意为“推迟”.根据句意可知答案选A. 答案 A 知识点三 pick up的用法 教材原文 I called at seven and you didn't pick up.我七点打的电话,你没有接. 本句中的pick up意为＂接电话”.pick up有如下含义: 接电话 The phone rang. I didn't pick up because I was busy.电话响了,我没有接电话,因为我很忙. 检起;拾起 Please pick up the ruler on the ground.请把地上的尺子检起来. 搭载;接人 My mother agreed to drive her new ear to pick me up.我妈妈同意开着她的新车来接我 例3 (2020河北邢台临西一中期中)I called you several times, but you didn't________. A. pick up B. take up C. look up D. stay up 解析 句意:我给你打了几次电话,但是你都没有接.pick up意为“接电话;捡起”;take up意为“占据;开始从事”;look up意为“查阅”;stay up 意为“熬夜”.由句意可知答案选A. 答案 A 知识点四beat与win的辨析 教材原文 Ben was helping his mom make dinner when the rain began to beat heavily against the windows.当雨开始猛烈地敲打着窗户的时候,本正在帮妈妈做晚饭. beat heavily意为“猛烈地敲打”,beat为实义动词,用副词heavily来修饰.beat还可意为“打败”.当“打败”讲