Unit 3Could you pleaseclean your room？ -2021-2022学年八年级英语下册单元重点知识点讲解及巩固练习（人教版）.docx

1、人教英语八年级下册 Unit 3 知识点讲解总结及练习（含答案）生词讲解1.rubbish un,垃圾；废弃物扩展：垃圾相关表达 litter/rubbish/trash/garbage 辨析 litter：指四下乱丢的、散落于地的废物，如纸屑等。rubbish：指任何成堆的、破损的、用过的或无用的东西，尤指弃掉的垃圾堆 trash：指废物废料，糟粕等垃圾 garbage：主要厨房的剩菜剩饭或不能再用的食物2.take out 意为带出去；取出；拿出；除掉（动副结构）take out sth from.将.从.拿出来e.g.you can take out the book from the

2、library.take out the rubbish 倒垃圾常见 take 构成的短语:take up_ take back_ take away_ take a rest_ take your time_ take ones temperature_3.fold v.折叠；对折反义词 unfold 打开fold the clothes 叠衣服e.g:The paper should be folded in half4.sweep v.打扫 过去式 swept 过去分词 sweptsweep the floor5.mess n.杂乱；不整洁 messy adj:杂乱的 make a me

3、ss 制造混乱；搞成一团糟 in a mess 乱糟糟，一团糟 mess up 将.搞砸e.g:She says pets can make a mess of the house.她说动物能把屋子弄的一团糟e.g:I am ask to organize the trip,but I mess it up.6.throw v.扔threw-thrown thrown down 扔下 throw away 扔掉 throw.to 将.扔给7.all the time 频繁；反复；一直e.g.He helps me all the time辨析 all time/all the time all

4、 time 所有时间;全部时间e.g:This is my favourite song of all time.这是我有史以来最喜爱的一首歌 all the time（一段时间内）一直；总是；持续e.g:Hes been thinking about this all the time.8.neither adv&pron 也不；两者都不 neither adv.也不，位句首，表示前面的否定的内容也适用于另一个人或物结构：neither+be/助动词/情态动词+主语。e.g:Jack has never been to Shanghai and neither has Jim.adj(两者)

5、都不+n 单，谓语动词用单数。e.g:Neither car is exactly what she wants.这两辆车，哪一辆都不是她想要的。pron:主语时谓语动词常用单数；常与 of 连用，neither of+名词复数(谓语单复都可)。(反义 both of)e.g:Neither of the answers is right.两个答案都不对。连 词常用短语 neither.nor既不也不，连接两个并列成分，表示否定意义；并列主语时，谓语动词遵循就近原则。e.g:Neither he nor I am good at swimming.我和他都不擅长游泳。9.as soon as

6、一.就引导时间状语从句，谓语遵循主将从现原则e.g.I will tell him as soon as I see him.e.g.When you are ill,see the doctor as soon as possible.区分：as long as扩展：遵循主将从现的词if,as soon as,unless,until,before,after,when,while,as long as,the moment10.pass v.递；走过；通过n.通行证e.g.Six months had passed,and we still had no news of them pass

7、 sb sth=pass sth to sb(传递)pass the exam（通过）pass the store（路过）辨析：pass 和 pastpass v/n.通过；传递past adj.过去的n.过去(in the past)prep.超过；越过adv.经过（pass=go/walk past）11.borrow v 借用borrow sth from sb注意：borrow 为瞬间动词，其延续性动词为 keep辨析：lend 借出去 lend sb sth=lend sth to sb12.hate v.厌恶，讨厌一般不用于进行时态 hate to do sth 讨厌一个具体或一次

8、性和特指的动作e.g:I hate to do this to you hate doing sth 讨厌做习惯性或经常性不具体的动作e.g:I hate doing the dishes.Its so boring13.chore cn.杂务；乏味无聊的工作do chores14.while conj.当.的时候；然而n.一会儿的时间1）当.时候，引导时间状语从句,从句中的谓语动词应用延续性动词或表示状态的词e.g.While the discussion was still going on,George came in.辨析 while 和 when：从句动作：while 延续性动词连用

9、;when 可与延续也可与非延续性动词连用e.g.Strike while/when the iron is hot 事情发生时间：while 强调主从同时性，when 可前后发生；e.g.When he had finished his homework，he took a short rest 当主从同时发生且从句为延续性动词，when/while 都可；e.g.When While we were dancing，a stranger came in 若主从都用进行时，用 while;主将从现用 whene.g.When the manager comes here for a visi

10、t next week，Ill talk with him about this.2）“而,然而”,表前后意义上的对比或转折e.g:Some people waste food while others havent enough.15.snack cn.点心；小吃16.stress un.精神压力；重音v 强调e.g:Too much stress is bad for your health.17.waste n&v 浪费；垃圾adj:废弃的waste paper waste time/money on sth/in doing sth Its a waste of time to do

11、sth/doing sthe.g:It is a waste of time to read such a magazine18.in order to 目的是；为了order n 命令；指示；顺序；订单v 命令；点(菜、饮料等)；订(货)in order to do sth 否定式结构为 in order not to do sth 为了不做某事in order that 从句=so thate.g:He kept silent over the matter in order not to lose his job.19.provide v 提供；供应provide sth for sb=

12、provide sb with sth 给某人提供某物20.anyway adv.而且；不管怎样；无论如何e.g.Anyway she said what was in her mind.21.depend on 依靠；取决于+n/doing/宾语从句/特殊疑问词+不定式e.g:You are adults now and should not depend on your parents.e.g:Whether we will go camping tomorrow depends on the weather.e.g:The value of life does not depend on

13、 who you are,but what you do.22.develop v.发展develop into 发展成.developed adj.发达的 developing adj.发展中的developer n.开发者 development n.发展，开发23.independence un 独立adj.independent24.fairness n.公正性；合理性adj:fair 反义词 unfair25.since conj 因为，既然；从.以后 自从e.g:I have stayed in that country since 1995 因为；既然（侧重主句，从句表示显然的或

14、已为人所知的理由）e.g:He didnt come since he was busy.26.ill adj.生病的；有病的（表语）adj:坏的；邪恶的（定语）e.g:he is an ill man.fall ill 生病辨析：ill sicksick adj.生病的，恶心的（可做定语/表语）e.g.The man was sick.27.drop v.落下；掉下过去式 droppeddrop by sp 顺便访问.重点句型及知识点1.And she wont be happy if she sees this mess.如果她看到这样不整洁，她会不高兴的2.The minute I sa

15、t down in front of the TV,my mom came over.the minute.意为一就主将从现=as soon as3.For one week,she did not do any housework and neither did I.句式结构：neither+be/助动词/情态动词+主语4.What happened?she asked in surprise.in/with surprise 表示状态，吃惊地，惊讶地5.Could you lend me some money?6.They should spend their time on school

16、work in order to get good grades and get into a good university.7.It is the parents job to provide a clean and comfortable environment at home for their children.8.Children these days depend on their parents too much.9.Doing chores helps to develop childrens independence and teaches them how to look

17、 after thenselves.做家务帮助培养孩子们的独立性并教会他们怎样去照顾自己。10.As a result,he often fell ill and his grades dropped.结果，他经常生病，成绩也下降了11.The earlier kids learn to be independent,the better it is for their future.GRAMMER情态动词 could 的用法一、提出礼貌的请求could 表示委婉地请求肯定回答：Yes,sure./Sure./Of course./No problem.否定回答：Sorry./Sorry,I

18、cant.Could you come here soon?你尽快过来，行吗？Sure.当然可以。Could you please close the window?请你关上窗户好吗？Im afraid not.恐怕不行。【注意】其否定结构为：Could you（please）not do.?二、表示请求许可could 表示请求允许，结构为：Could I/we+动词原形+.?肯定回答：Sure./Of course./No problem.否定回答：Im sorry/Sorry,you cant./No,you cant.注意：could 不是 can 的过去式，而是用来表示委婉语气，回答时

19、不能用 could，而要用 can。Could I use your bicycle?我可以用你的自行车吗？Yes,you can.是的，可以。三、could 与 can 的区别could 与 can 都是情态动词，could 是 can 的过去式。二者都可用于表示请求，但是用法稍有不同：1.can 表一般性的请求，语气随便，常用于熟人之间或长辈对晚辈、上级对下级的场合。Can you tell us your story,Tony?2.could 表有礼貌地请求，语气委婉，常用于非熟人之间或晚辈对长辈、下级对上级的场合。Could you tell us if it snows in win

20、ter in Australia?Sure.八年级下册 unit3 重要知识点巩固练习及答案一、重要词汇1.垃圾；废弃物 n._2.地板 n._3.杂乱;不整洁 n._4.扔；掷 v._5.也不 adv._6.衬衫 n._7.给;递;走过;通过 v._8.借;借用 v._9.借给;借出 v._10.手指 cn._11.厌恶；讨厌 v._12.与.同 吋;当.的 时 候;然 而conj._13.浪费;垃圾 n._浪费；滥用 v.14.提供;供应 v._15.而且；加之;adv._16.依靠;信赖 v._18.发展；壮大 v._19.独立自主的;不受约束的 adj._20.独立 n._21.因为;

21、既然 conj._从.以后；自.以來 prep.conj.&adv.22.邻居 n._23.有病；不舒服 adj._24.落下;掉下 v._25.合理的；公正的 adj._26.不合理的;不公正的 adj._27.fairness n._28.fold v._29.sweep v._30.chore n._31.snack cn._32.stress un._I.重点短语。（汉译英）1.洗餐具_2.倒垃圾_3.叠衣服_4.扫地_5.整理床铺._6.搭车_7.帮助做几件事_8.对某人生气_9.解决问题_10.遛狗_11.一直_12.整天_整个晚上_13.吃惊地_14.闲逛_15.把弄湿_16.在

22、方面帮助_17.邀 请 我 的 朋 友 来 参 加 聚 会_18.参加考试_19.做家务_20.为了做某事_21.取得好成绩_22.给某人提供某物_23.依靠_24.培养孩子们的独立性_25.教 会 他 们 如 何 照 顾 好 自 己_26.在 中 做 自 己 的 那 一 部 分_27.让房子保持干净_28.不知道_29.照顾_30.因此_31.生病_32.做杂活_33.把时间花在上_34.同意_二、完成句子1.一彼得,请你去倒一下坛圾好吗？Peter,could you please_ _the rubbish?_当然可以，妈妈。_,Mom.2.一我能用一下你的电脑吗？-Could I_yo

23、ur computer?一对不起。我现在要用它工作_,I m going to work_it now.3.我一在电视机前坐下，我妈妈就过来了。The_I sat down in_of the TV,my mom came_.4.我和你一样累。I am_tired_you are.5.他没去，我也没太。He didnt go._ _ I.6.你在帮我洗餐具的时候我会完成家庭作业。Ill finish my homework_you help me_the dishes.7.这意味着快速地浏览一篇文章。This means_quickly_ a _of writing.8.家务活浪费他们的时向。

24、Housework is a_ _their time.9.（某人）没有必要做某事。There is_ _(_ sb)_ _sth.10.某人做某事很重要_is important_sb._ _sth.10.既然他们与父母佳仁一所房了里_they live in one house with their parents.11.他们的成绩下降。Their grades_.12.孩子们越早学会独立,对他们的未来就越好。The_kids learn to be independent,_ _it is for their future.14.做某事是公平的/不公平的_is _to do sth.知识

25、点巩固答案一、重要词汇1.rubbish2.floor3.mess 4.throw 5.neither 6.shirt7.pass 8.borrow 9.lend 10.finger 11.hate 12.while 13.waste 14.provide 15.anyway16.depend18.develop19.independent20.independence21.since 22.neighbor23.ill24.drop25.fair26.unfair27.公正性；合理性 28.折叠;对折 20.扫;打扫 30.杂务;乏味无聊的工作 31.点心;小吃;快餐 32.精神压力;心理负

26、担二、重点短语。1.do the dishes2.take out the rubbish3.fold your clothes4.sweep the floor 5.make your bed6.get a ride7.help out with a few things 8.be angry with sb.9.solve the problem10.take the dog for a walk11.all the time12.all day;all evening13.in surprise 14.hang out15.get sth.wet 16.help with17.invit

27、e my friends to a party18.have a test19.do housework20.in order to do sth.21.get good grades22.provide sth.for sb.23.depend on 24.develop childrens independence 25.teach them how to look after themselves 26.do ones part in 27.keep the house clean 28.have no idea29.take care of 30.as a result31.fall ill32.do chores33.spend time on sth.34.agree with三、完成句子1.take out;Sure 2.use;Sorry;on3.minute;front;over4.as;as5.Neither did 6.while;with 7.looking;through;piece 8.waste of 9.no need(for);to do 10.It;for;to do11.Since 12.dropped 13.earlier;the better 14.It;fair/unfair