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人教版英语八下Unit3 知识点

2020-09-24 来源:好土汽车网
导读 人教版英语八下Unit3 知识点
Unit 3 Could you please clean your room?

Section A

知识点一 Could you please do sth.?的用法 “Could you please do sth.?”用于委婉地提出请求。 —Could you please open the window? —Yes, sure.

—Could you please fold your clothes? —No problem.没问题。

拓展 “Could you please do sth.?”的答语有如下两种情况:

接受请求时 可以用Yes,sure./Sure./Of course./Certainly./No problem./With pleasure.等来回答 可以用Sorry./Sorry,I can't.等来回答,还可以用I have to do sth.来解释原因 拒绝请求时 “ Could you please do sth.”的否定形式是 “Could you please not do sth.” —Could you please clean the room?

— I have to do my homework now.

A.Yes, sure. B.Sorry, I can't. C.No problem. D.Why not?

Could you please the piano so loudly? Your brother is having a rest now. A.not to play B.not play C.don't play D.to not play —Could I use your iPad, Jim?

— I have to use it to work now.

A.Yes, you can. B. Why not? C.No way. D. Sorry, you can't. 知识点二 take out的用法

take out “取出;拿出” take out the rubbish意为“倒垃圾”

宾语是名词,该名词可以位于take和out之间,也可以位于take out之后。 宾语是代词,该代词只能位于take和out之间。 Please take out the old newspapers. =Please take the old newspapers out.

My wallet is in the bag. I have to take it out first. 根据汉语提示完成句子,每空一词 请把这些旧书拿出去。

Please these old books.

知识点三 做家务的短语表达 拓展 和“家务劳动”有关的短语有:

My mother ____________________(正在扫地) at the moment. I help my mother ______ (洗餐具)every day.

My mother is busy, so she usually (叠衣服)in the evening. Could you please_________________(倒垃圾)? He picked up the broom(扫帚)to help me .

A.do the dishes B.make the bed C.fold his clothes D.sweep the floor —What are you doing?

—I am doing the . Look!How dirty my clothes are! A.dishes B.reading C.shopping D.washing Her father likes dinner but hates the dishes. A.making;making B.doing;doing C.making;doing 知识点四 throw的用法

throw---threw---thrown。“扔;掷” I threw a ball to her and she caught it.

拓展 throw的常用搭配有:

throw down 扔下 throw at 扔向;掷向 He threw down the book and went away.他扔下书便走了。 She looked around the kitchen for something to throw at the lion.她环顾厨房想找些东西向狮子扔去。 throw away扔掉;丢弃 It is a waste to throw away good food.把好的食物扔掉是浪费。 Pick out good apples from the box, and the rest. A.throw down B.throw away C.throw at D.throws

He (扔下)the schoolbag and walked into the bedroom. We should (扔)the rubbish into the dustbin. 知识点五 all the time的用法

all the time意为“一直;总是”,为固定短语。

You watch TV all the time and never help out around the house!你一直看电视,在家从不帮忙! 拓展 其他常见的time短语

at times in time on time for the first time in no time at all times have a good/great/wonderful time at the same time by the time 不时;有时 及时 按时 第一次 立即;马上 随时 玩得愉快 同时 到……时候 When you're invited to have dinner at home by an American friend, you should be or a little later. It's different from our Chinese custom. A.on time B.on business C.on show 知识点六 as...as...的用法

as...as...表示“和……一样……”,as...as...之间要用形容词或副词的原级。 I'm just as tired as you are!我和你一样累!

She is as tall as her elder brother.她和她哥哥一样高。 他和迈克一样高。

He is Mike.

as…as…的否定结构是not as/so…as “不如……;比不上…” She is not as/so tall as her elder brother.她没有她哥哥个子高。

My math teacher lives an active life. She looks as as she was ten years ago. A.young B.younger C.the youngest D.youngest Lisa works as as her sister. They both work in this company. A.careful B.more careful C.carefully D.more carefully Daniel is his twin brother. They are both 1.75 meters tall. A.taller than B.shorter than C.as tall as D.so tall as

The local guide spoke she could to make the visitors understand her. A.as clear as B.as clearly as C.so clear as D.so clearly as

My mother is hard-working. she does for my family, she feels. A.The much;the happy B.The more;the happier C.More;happier D.The most;the happiest —I don't think history is more useful than physics. —I disagree. In my opinion, history is physics.

A.as useful as B.not so useful as C.less useful than D.the most useful of —How do you improve your English?

— you speak, your English will be. A.The less;the more B.The more;the better C.The less;the better D.The more;the less

kids learn to be independent, it is for their future. A.Earlier;better B.The earlier;the better C.The earliest;the best D.The early;the good Alan is as as Lucy in their class.

A.tall B.taller C.tallest D.the taller the mountain is, the air is.

A.The highest;the thinnest B.Higher;thinner C.The higher;the thinner 知识点七 neither引导的倒装句

For one week, she did not do any housework and neither did I.整整一周她没有做任何家务,我也没有做。

句中的neither did I是neither引导的倒装句,

“neither+助动词/be动词/情态动词+主语”,表示“……也不”前者所叙述的否定事实也适用于后者 “neither+主语+助动词/be动词/情态动词”表示“的确如此”赞同前者所述否定事实 —I don't like pop music.我不喜欢流行音乐。 —Neither do I.我也不喜欢。 拓展 so引导的倒装句

“so+助动词/be动词/情态动词+主语” “...也是” 当前面叙述的肯定事实也适用于后者时 “so+主语+助动词/be动词/情态动词” “的确如此”赞成前者所述肯定事实 She likes music and so do I.她喜欢音乐,我也喜欢。

She hasn't read it and neither have I.她没有读它,我也没有读。 —I didn't go to the zoo last weekend. — .

A.I didn't,too B.Neither did I C.So did I D.So didn't I I always hate being late for school. — .

A.So am I B.So do I C.So I am D.So I do Neither of us ate fish. She didn't eat fish._________.

A.I didn't,too B.Neither did I C.So did I D.So didn't I —Would you like to go shopping with me, Mum? —If your dad doesn't go, .

A.neither did I B.so do I C.neither will I D.so will I

She doesn't like listening to EXO's songs and . A.neither do I B.so do I C.so I do D.Neither I do

—I don't like horror films. They're terrible. — .

A.Either I do B.Neither I do C.Either do I D.Neither do I I didn't buy anything for myself and Jack.

A.so did B.so didn't C.neither did D.neither didn't 知识点八 in surprise的用法

“What happened?” she asked in surprise.她吃惊地问道:“发生什么事了?” in surprise意为“惊讶地”, surprise是名词,意为“惊讶”,

surprise还可以作动词,意为“使惊讶”。 She looked at me in surprise.她惊讶地看着我。

Your story surprised me so much.你的故事使我太惊讶了。

We didn't believe what he said. We looked at him surprise. A.for B.with C.in D.on

She looked at me great surprise and asked after a long while, “Didn't you leave for Beijing this morning?”

A.at B.in C.of D.on

They looked at the stranger surprise. A.for B.with C.in D.on

Section B 知识点一 in order to的用法

They should spend their time on schoolwork in order to get good grades and get into a good university.

本句中in order to get good grades and get into a good university是目的状语,其中in order to表示“目的是;为了”,后跟动词原形。

in order to do sth.表示“为了做某事”, 否定:in order not to do sth.“为了不做某事”。 We started early in order to arrive before dark. 为了在天黑前到达,我们很早就动身了。

He got up early in order not to be late for school.为了上学不迟到,他起得很早。

拓展

He studied hard so that/in order that he could pass the exam.=He studied hard to/in order to pass the exam.为了能通过考试,他努力学习。

stop more accidents, we should slow down.

A.In order that B.Thanks for C.Thanks to D.In order to 知识点二 provide的用法

provide是及物动词,表示“提供;供应”,后可接名词或代词作宾语,具体用法如下: provide sb. with sth. Sheep provide us with wool.

provide sth. for sb. The hotel provides a shoe-cleaning service for guests. offer sb. sth. “为某人提供某物”

offer sth. to sb.

We don't need to take any food. The hotel will free meals for us. A.offer B.provide C.give D.send

If we travel abroad, we prefer to stay in five-star hotels. That's because they guests with the best service to make them feel at home. A.preview B.provide C.prevent

It is the parents' job to _______ a clean and comfortable environment at home for their children.

A.offer B.provide C.give D.send

Some people think it's the parents' job to their children a clean and comfortable environment at home.

A.offer;to B.offer;with C.provide;with D.provide;to

Most parents can provide a comfortable environment at home their children. A.with B.of C.for D.in 知识点三 depend on的用法

depend on是固定短语,表示“依靠;信赖”,也作depend upon。 Health depends on good food, fresh air and enough sleep. It depends on whether she likes the boss or not.。

拓展 常见的“动词+on”的短语有:

—Shall we go for a picnic tomorrow? —Well, it all the weather.

A.belongs to B.happens to C.depends on D.depend on 知识点四 take care of的用法

take care of意为“照顾”。表示“好好照顾”要用take good care of。 I will take good care of your mother.我会好好照顾你妈妈的。

Mary, could you please help me my baby? I am going to do some shopping. A.look for B.look at C.look after 知识点五 as a result的用法

as a result意为“结果;因此”,其中result作名词,意为“结果”。 As a result, he often fell ill and his grades dropped.

Mike didn't give up his dream. As a result ,his dream came true. He didn't know the result of the competition. 根据汉语提示完成句子,每空一词

He didn't study hard. ,he failed his exam. 他学习不用功,结果考试不及格

The teacher will tell us the (结果)of the competition. 重难点 while的用法

while 用作连词时,有以下几种含义:

释义 用法 例句 While I was watching TV, the bell rang. 我看电视时,铃响了。 While he is in poor health, he works hard.虽然他身体不好,但他还是努力工作。 当……时候 引导时间状语从句 虽然,尽管 引导让步状语从句 而,然而 连接两个并列分句,表示对比关I like singing while she likes dancing. 我喜系 欢唱歌,而她喜欢跳舞。 注意 while 引导状语从句时,应注意以下几点:

1.while 引导时间状语从句既可放在句首,也可放在句末;而 while 引导的让步状语从句一般放在句首,不放在句末。另外,也可以从意义上加以区分。 Her parents died while she was still at school. 她还在读书时父母就去世了。(时间状语从句) While he was tired, he went on working.

虽然他累了,但他还是继续工作。(让步状语从句)

2.while 引导让步状语从句时,如果从句的主语和主句的主语相同,且谓语含有be动词,那么从句的主语和be动词都可以省略。 While he was ill, he went there.(=While ill, he went there.) 虽然他病了,但他还是去那里了。

3.while引导的时间状语从句,从句中的谓语动词常用延续性动词,表示 “与……同时,在……期间”。

While we were talking, the teacher came in.我们正在谈话时,老师进来了。 In China and some other countries, it is impolite to speak loudly you are having a meal.

A.before B.after C.while 语法

用could提出请求和征求许可

本单元的核心语法是用情态动词could提出请求和征求许可。具体如下: 1.用could提出请求

常见的结构是“Could you(please)...?”,意为“你能……吗?”或“请你……好吗?”,是一种比较客气、有礼貌的提出请求的方式。如果同意对方的请求,可以用OK.或No problem.等来回答。如果不同意对方的请求,可以用Sorry,I can't.等来回答,并以委婉的方式来解释原因。

—Could you please open the door?请你把门打开,好吗? —Sure.当然可以。 2.用could征求许可

“Could I...?”,意为“我能/可以……吗?”。回答都不用could,

肯定回答用may,can等;否定回答用can't或mustn't(语气重)。有时也可避而不用。 —Could I smoke here?我可以在这里抽烟吗?

—No,you can't. Look at the sign“No smoking”!不,你不能。看那个“禁止吸烟”的标牌! —Could I go out with my friends? — .

A.Sorry, you couldn't B.No, you can't C.Yes, you could D.No, please

—Could I ride an electric bicycle to school, Mr. Wang?

—No, you . Students under the age of 16 aren't allowed to ride electric bicycles. A.couldn't B.needn't C.can't D.shouldn't 易混点

❶both,neither,either,all,none both 意为“两者都”,用于两者之间,可以和and搭配,both...and...表示“……和……都” neither neither是both的完全否定形式,表示“两个都不”。可以和nor搭配,neither...nor...表示“……和……都不” 表示“两个人或物中的任何一个”。可以和or搭配,either...or...表示“或者……或者……;要么……要么……” 意为“全部”,用于三者或三者以上的人或物 none是all的完全否定形式,意为“没有一个” either all none We both have black eyes and black hair, either you or your father must come here today. Neither the father nor the son is interested in the film.父子俩对这部电影都不感兴趣。 Anna her brother like listening to soft music. A.Both;and B.Neither;nor

C.Either;or D.Not only;but also —What would you like, coffee or tea? — . I just need some water.

A.Both B.Either C.Neither D.All —Do you like rock music or light music? — . I like Beijing Opera.

A.Either B.None C.Both D.Neither

—Which one do you want to buy, an iPad 3 or an iPhone 5? — . They are too expensive.

A.All B.Both C.None D.Neither —Why don't you get used to the life in Beijing?

— the crowded traffic the high living cost. The only reason is the badly polluted air.

A.Not only;but also B.Either;or C.Both;and D.Neither;nor —Which sport do you like better, skiing or skating? —Both. I think of them is interesting. A.either B.none C.neither D.all —Do you know where the last two pictures went?

—A millionaire bought of them. He thought they were worth.

A.either B.each C.none D.both ❷borrow,lend,keep borrow lend keep 表示“借;借来;借入”,指向别人借来东西,常见的搭配是borrow sth.from sb. 表示“借给;借出”,指把东西借给别人,常见的搭配是lend sb.sth.或lend sth.to sb. 表示“长时间地借用”,可以和时间段以及how long搭配 Do you often borrow books from the library? 你经常从图书馆借书吗? Thank you very much for lending it to me. 非常感谢你把它借给了我。 —How long can I keep the books? 这些书我可以借多长时间? —For two weeks.两周。

I have kept the books for two weeks.这些书我借了两个星期了。 —May I your bike?Mine is broken. —Sure. But you mustn't it to others.

A.borrow;lend B.keep;lend C.lend;borrow D.keep;borrow —May I your bike, Molly? —Sorry. I it to Mike minutes ago.

A.borrow;lent B.borrow;borrowed C.lend;borrowed D.lend;lent —Could you please me your English book, Grace? —Certainly. Here you are. A.borrow B.lend C.keep

—Excuse me, Peter, can you me some money? —I'm sorry. I have no money with me now. A.borrow B.make C.take D.lend —Could you the book Harry Potter to me? —Sure. Here you are.

A.lend B.borrow C.lending D.to borrow Jack a pen to Jim last night.

A.beat B.lent C.borrowed D.won

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