Unit 4 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 4 Why don’t you talk to your parents? Section B & Self Check 教材知识全解 讲透知识 查漏补缺 知识点一compete的用法 教材原文 Others are practicing sports so that they can compete and win.其他人都在练习体育项目,为的是他们能够参加比赛并获胜. 本句中的compete是动词,意为“竞争;对抗”.compete with...表示“和······竞争”. We can compete with the best team.我们能与最好的队竞争. 拓展 同根词 compete v.对抗;竞争 competition n.比赛;竞争 -tion是名词后缀 competitive adj. 竞争的 -tive是形容词后缀 例1(2020黑龙江齐齐哈尔朝鲜族中学期中)It's difficult for a small supermarket to_______ with the big supermarkets. A. share B. drop C. compete D. provide 解析 句意:对于小超市来说是很难与大超市竞争的.compete with意为“和······竞争”,是固定搭配,故答案选C. 答案 C 知识点二 cut out的用法 教材原文 Maybe I could cut out a few of their activities...或许我可以减掉他们几个活动······ 本句中的cut out是固定搭配,意为“删除;删去”. I cut out one paragraph in this article.我删除了这篇文章的一个段落. 拓展 常见的cut短语有: cut up 切碎 cut down 砍倒 cut off 切掉 cut in 打断别人说话;插嘴 例2(2020湖北枣阳清潭中学期末)-Parents should_______ a few of their children's activities. -Good idea. This way, children can have more free time to do something they like. A. cut up B. cut out C. cut off D. cut down 解析 句意:-父母应该减少孩子的一些活动.-好主意.这样,孩子们可以有更多的空闲时间去做他们喜欢做的事.cut up“切碎”;cut out“删除,删去”;cut off“切掉”;cut down“砍倒”.由句意可知此处指父母应该减少孩子们的一些活动,故选B. 答案 B 知识点三 quick的用法 教材原文 They have a quick dinner, and then it's time for homework.他们快速吃完晚饭,然后就要做作业. quick作形容词,意为“快的;快速的”. Be quick! The train leaves in 5 minutes!快点！五分钟后火车就要开了！ 拓展 quick的延伸 quickly adr.快速地 fast adj.快的 rapid adj.迅速的 slow adj.缓慢的 slowly adv.缓慢地 例3 -Please listen to me carefully and then give a_______ answer to the question, OK? -Yeah, no problem. A. quickly B. slowly C. quick D. slow 解析 句意:--请仔细听我说,然后快速作答,可以吗?-可以,没问题.此处是形容词作定语,由句意可知是希望对方快速作答,故答案选C. 答案 C 知识点四 continue的用法· 教材原文 “In some families, competition starts very young and continues until the kids get older," she says.她说:“在有些家庭里,竞争从很小就开始了,并且一直持续到孩子们长大.” continue作动词,意为“持续;继续存在”.表示“继续做某事”用continue to do sth.或 continue doing sth.,两者意义相同. How can you continue to work/working with all that noise going on? 你在那不停的噪音中怎么能继续工作呀? 例4 (2020安徽亳州涡阳王元中学月