英语是大家十分重视的一门学科。在中学阶段打下一个好的英语基础是我们的共同心愿。2021高考英语知识点归纳有哪些你知道吗?一起来看看2021高考英语知识点归纳，欢迎查阅!
高考英语知识点归纳
under age 未成年，未达到规定年龄
He was rejected by the army because he was under age.他因尚未成年而被拒绝参军。
You shouldn’t sell cigarettes to teenagers who are under age.你不应该把香烟卖给没未成年的青少年。
under arrest 被捕
You are under arrest in the name of the law.你被依法逮捕了。
He was soon put [placed] under arrest.他不久就被逮捕了。
under attack遭受攻击
The company has come under fierce attack for its decision to close thefactory.因为决定要关闭工厂，公司受到猛烈攻击。
under consideration 在考虑中;在研究中
The question is now under consideration.这个问题正在考虑中。
The plan is under consideration by the Ministry of Education.教育部正在研究这个方案。
under construction 在建造中
The new railway is under construction.新铁路正在修建当中。
The bridge is under construction.这座桥正在建造中。
There are two new hotels near here under construction.附近正在兴建两家新的旅馆。
under control 在控制中
They soon got the fire under control.他们很快把火势控制住。
It took the teacher months to bring his class under control.这个老师花了几个月的时间才管住了他的班级。
under copyright 享有版权
The poem is still under copyright, so you have to pay to quote it.该诗仍然享有版权，因此你必须支付引用费。
under cover 在隐蔽处;秘密地;在信封或邮包中
Plans for the attack were made under cover.进攻计划是秘密制定的。
The check came under cover in yesterday’s mail.支票是装在信封里和昨天的信一道寄来的。
under discussion 在讨论中;在审议中
That has no relation to the matter under discussion.那与正在讨论的事无关。
That’s another topic that will come under discussion.那是另一个要讨论的问题。
under examination 在检查中;在审查中
The prisoner was still under examination.囚犯仍受审。
The proposals are still under examination.提案仍在审查中。
under fire 在炮火中;被攻击中
We were under fire from all sides.我们遭到了来自四面八方的射击。
The headmaster was under fire for not sending the boys home who stole thecar.校长由于没有开除那几个偷汽车的学生，受到责难。
under guarantee 在保修期内
It’s still under guarantee, so the manufacturer will repair it.保证书还有效，所以厂家会给修理的。
The car is still under guarantee, so you should be able to get it repairedfree of charge.汽车还在保修期内，所以你应该可以免费修理。
under oath 在法庭上宣过誓要说实话
The judge reminded the witness that he was still under oath.那法官提醒证人他已宣誓不作伪证。
under obligation 有义务;一定要
The one who did the damage in under obligation to pay for it.造成损失的人有义务赔偿。
【注】在现代英语中通常用under an [no] obligation的形式：
You’re under no obligation to pay for goods which you did not order.没有订购的货物就无须付款。
She’s under an obligation to him because he lent her money.因为他把钱错给她了，所以她有偿还他的义务。
高考英语短语必背
1.I'll fix you Up. 我会帮你打点的。
2.It sounds great!. 听起来很不错。
3.It's a fine day。今天是个好天。
4. So far，So good. 目前还不错。
5. What time is it? 几点了?
6. You can make it! 你能做到!
7. Control yourself! 克制一下!
8. He came by train. 他乘火车来。
9. He is ill in bed. 他卧病在床。
10. He lacks courage.他缺乏勇气。
11. How's everything?一切还好吧?
12. I have no choice.我别无选择。
13. I like ice-cream.我喜欢吃冰淇淋。
14. I love this game. 我钟爱这项运动。
15. I'll try my best.我尽力而为。
16. I'm On your side.我全力支持你。
17. Long time no see!好久不见!
18. No pain，no gain. 不劳无获。
19. Well，it depends 噢，这得看情况。
20. We're all for it.我们全都同意。
21. What a good deal!真便宜!
22. What should I do?我该怎么办?
23. You asked for it!你自讨苦吃!
24. You have my word.我保证。
25. Believe it or not!信不信由你!
26. Don't count onme.别指望我。
27. Don't fall forit! 别上当!
28. Don't let medown. 别让我失望。
29. Easy come easygo. 来得容易，去得快。
30. beg your pardon. 请你原谅。
31. I beg yourpardon? 请您再说一遍(我没有听清)。
32. I'll be backsoon. 我马上回来。
33. I'll check itout. 我去查查看。
34. It's a longstory. 说来话长。
35. It's Sundaytoday. 今天是星期天。
36. Just wait andsee! 等着瞧!
37. Make up yourmind. 做个决定吧。
38. That's all Ineed. 我就要这些。
39. The view isgreat. 景色多么漂亮!
40. The wall hasears. 隔墙有耳。
41. There comes abus. 汽车来了。
42. What day istoday? 今天星期几?
43. What do youthink? 你怎么认为?
44. Who told youthat? 谁告诉你的?
45. Who 's kickingoff? 现在是谁在开球?
46. Yes，I suppose So. 是的，我也这么认为。
47. You can't miss it你一定能找到的。
48. Any messages forme? 有我的留言吗?
49. Don't be somodest. 别谦虚了。
50. Don't give methat! 少来这套!
如何用英语吐槽春运那些事儿。
1、春运
Spring Festival travel season
又被称为："The largest annual human migration in the world." 是客流高峰期(peak time for passenger transport)，有大批农民工(migrant workers)和学生党在这一段时间返乡。
2、抢票软件
Ticket-buying plug-in
抢票软件通常是各类浏览器的抢票插件,plug-in即插件。这些插件可以帮助用户在线买票时cut ahead of others(插队到别人前面),更容易能买到票。
3、实名购票制
Real-name ticket purchasing system
实名购票制可以说成real-name ticket purchasing system，也可以是ID-based ticket booking system，也就是基于身份证件购买车票的制度。ID, 即身份证、护照等证明个人身份的有效证件。
4、24小时售票窗口
24-hour ticket sales windows
春运将迎来巨大的客运量(huge volume of passenger transport)，火车站会加开列车(operate/arrange extra trains)，从而缓解交通压力(ease the traffic pressure)，并且开通24小时售票窗口(open 24-hour ticket sales windows)。
5、图片验证码
Graphic verification code system
这次春运抢票大战，许多”抢票战士”都输在这一关，都吐槽12306新版验证码”难度逆天反人类”!!!数据显示该验证码已经击败全国99%的购票者……
从简单的数字，数字加字母,加减法算式,动态码(dynamic verification code), 中间添加干扰线的变形字母, 再到如今的图形验证码。为了防止抢票软件, 12306的工程师们也是蛮拼的!
6、手机双向“核验”
two-factor/dual-factor authentication with one's phone
为打击“黄牛(ticket scalper)”，12306开始执行手机“双向核验”，将手机号和身份证绑定，防止身份信息被抢注，验证后可以用手机号登录。
7、卧铺列车
Sleeper
春运抢票真的是拼尽全力，买不到卧票(软卧soft-berth, 硬卧hard-berth), 买个坐票(seat ticket)，坐36小时回家也凑合;还有更拼的：宁愿站着(站票standing-room-only ticket), 也要早点到家!
作为全球最常见的疾病，穷癌发病时间不定，主要病症有经常性清空购物车，不敢逛街，钱包常年处于饥饿状态。
在英语里，穷癌可以用以下短语表达。
live from hand to mouth
英文解释：you don't have any money to save because whatever you earn is spe
nt on food and other essentials.
中文解释：糊口度日。
例句：Most families in that area live from hand to mouth.
live on the breadline
英文解释：People who live on the breadline have a very low income or barely en
ough money to survive.
中文解释：breadline指的是等待分配救济食物的队伍。
例句：Due to the recent crisis, there are more people on the breadline than ever before.
dip into one's savings
英文解释： you spend part of the money you have put aside for future use.
中文解释：动用存款。
例句：I had to dip into my savings to have the car repaired.
feel the pinch
英文解释：begin to suffer from a lack of money.
中文解释：pinch的基本意思是用手“捏”“掐”,引申可作“节省”解。
例句：With the drop in tourism, hotels and restaurants are beginning to feel the pinch.
hard up
英文解释：have very little money.
中文解释：经济困难，缺钱。
例句：We were so hard up that we had to sleep in the car.
burn your fingers
英文解释：suffer financially as a result of foolish behaviour.
中文解释：因自己的失败或错误而吃苦头。
例句：Jack got his fingers burnt playing on the stock market.
chicken feed
英文解释：An amount of money considered small or unimportant is called chicken feed.
中文解释：很少的钱。
例句：I got a job during the holidays but the pay was chicken feed.
cost an arm and a leg
英文解释： very expensive
中文解释：贵的离谱。
例句：The house cost us an arm and a leg, but we have no regrets.
高考英语知识点归纳
1.定义：用作主语的从句叫做主语从句。
2.构成：关联词+简单句
3.引导主语从句的关联词有三类：
(1) 从属连词that。 如：That they were in truth sisters was clear from the facialresemblance between them.
很明显，她们确是亲姐妹，她们的脸型很相似。
(2) 从属连词whether。如：
Whether he’ll come here isn’t clear.他是否会来这里还不清楚。
(3) 连接代词who, whom, whose, what, which, whoever, whatever, whichever
连接副词 where, when, how, why。如：
What she did is not yet known.她干了什么尚不清楚。
How this happened is not clear to anyone.这事怎样发生的，谁也不清楚。
Whoever comes is welcome.不论谁来都欢迎。
Wherever you are is my home ---- my only home.你所在的任何地方就是我的家----我的家。
解释：
1.主语从句能用it作形式上的主语。
常以it作形式主语的句型有：
A.It+be+形容词(obvious, true, natural, surprising, good, wonderful, funny,possible, likely, certain, probable, etc.)+that从句。如：
It is certain that she will do well in her exam.毫无疑问她考试成绩会很好。
It is probable that he told her everything.很可能他把一切都告诉她了。
B.It+be+名词词组(no wonder, an honour, a good thing, a pity, no surprise,etc.)+that从句。如：
It’s a pity that we can’t go.很遗憾我们不能去。
It’s no surprise that our team should have won the game.我们没赢这场比赛真意外。
C.It+be+过去分词(said, reported, thought, expected, decided, announced,arranged, etc.)+that从句。如：
It is said that Mr.Green has arrived in Beijing.据说格林先生已经到了北京。
It is reported that China has sent another man-made earth satellite intoorbit.
据报道中国又成功地发射了一颗人造地球卫星。
D.It+seem, happen等不及物动词及短语+that从句。如：
It seems that Alice is not coming to the party at all.Alice似乎不来参加晚会。
It happened that I was out that day.碰巧我那天外出了。
E.It+doesn’t matter (makes no difference, etc.)+连接代词或连接副词引起的主语从句。如：
It doesn’t matter whether she will come or not.她是否来这无关紧要。
It makes no difference where we shall have the meeting.我们在哪里开会毫无区别。
F.当that引导的主语从句出现在疑问句中时，要以it作形式主语，而把主语从句后置。如：
Is it true that the scientist will give us a lecture next week?下周那位科学家将给我们作报告是真的吗?
Does it matter much that they will not come tomorrow? 他们明天不来很要紧吗?
G.当主语从句出现在感叹句中时，要以it作形式主语，而把主语从句后置。如：
How strange it is that the children are so quiet! 孩子们这么安静真奇怪!
2.注意连接代词whoever,
whatever, whichever等引导主语从句的含义
Whoever comes will be welcome.(whoever=the person who) 来的人将受到欢迎。
Whatever he did was right.(whatever=the thing that) 他所做的事情是正确的。
Whichever of you comes in will receive a prize.(whichever=anyone of youwho) 你们当中不论哪个进来将会得到奖
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