业精于勤而荒于嬉，行成于思毁于随。不勤奋地学习，什么事也做不好。娇嫩的花儿，需要每天勤奋地浇灌才能一天天长大;学习也是如此，需要你的不断浇灌，不断积累，才能提升。下面是小编给大家带来的高三英语知识点，希望能帮助到大家!
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。
高三英语知识点梳理2
1. opccupation n. 居住、占用;职业
occupational adj 与职业有关的
occupier n. 居住者, 房客, 占领者
occupy vt. 占, 占用, 占领, 占据
2.Reporter n. 记者, 新闻通讯员
=journalist n. 新闻记者, 从事新闻杂志业的人
3.Profession n. 职业, 专业,
professional adj. 专业的、职业的/ n.专业人员
习惯用语：allied health professional 保健辅助人员
4.Photograph n. 照片/ vt. 给......照相
Photographer n. 摄影师
5. Eager adj. 渴望的;热切的
eagerness n. 热心
6. concentrate v. 集中;聚集
concentration n. 集中;集合
concentration camp n. 集中营
concentrate on 集中;全神贯注于
例句：1)How can you concentrate on your work with so much noise going on?
你怎能在这样吵的环境下集中精神工作呢?
2)I tried to concentrate my thoughts on the probkem.
我努力让自己的思绪集中在这个问题上面。
=Attentively 注意地, 留意地
= pay attention to 注意
7.Course n. 过程, 经过, 进程, 方针, 路线, 跑道, 课程, 一道菜
a course in/on sth 课程
a course of sth 疗程
8.Acquire vt. 获得;取得;学到
acquisition n. 获得;获得物
9.Meanwhile n. 其间, 其时=meantime10. accuse vt. 控告, 谴责,
accuse ... of ... 因某事指责或控告某人
例句：1)I accused her of cheating. 我指责她作弊。
2)He was accused of murder and sent for trial. 他被控告谋杀并已送交审判。
Accusation n. 指责;控告;谴责
11. deliberately adv. 故意地
= on purpose
12. so as to(do sth) 为了做某事/以便作某事
=in order to do sth
例句：We went early so as to get good seats. 我们提早去了，以便占到好位置。
13. bribe vt. 向...行贿/n. 贿赂
bribery n. 行贿, 受贿, 贿赂
14. guilty adj. 犯罪的, 有罪的, 心虚的
guilt n. 罪行, 内疚
15.imaginative adj. 想象的, 虚构的
image n. 图象, 肖像, 偶像, 形象化的比喻, 极为相象, 映像, 典型
imagine vt. 想象, 设想
16. technical adj. 技术的, 技术上的, 技巧方面的
technic n. 技术, 手法
technica n. 技术性细节,技术,技巧,技能
technically adv. 技术上, 学术上, 工艺上
17. defend vt. 防护, 辩护, 防卫,
defence n. 防卫, 防卫设备
defend against防卫...以免于
18. crime n. 犯罪, 犯罪行为, 罪行, 罪恶
criminal n. 罪犯, 犯罪者/adj. 犯罪的, 犯法的, 罪恶的
criminally adv. 刑法上, 犯了罪地
19. edition n. 版本, 版
edit vt. 编辑, 校订, 剪辑/n. 编辑工作
editor n. 编辑, 编辑器, 编者
20.employ vt. 雇用, 用, 使用
employer n. 雇主, 老板
employee n. 职工, 雇员, 店员
employment n. 雇用, 使用, 利用, 工作, 职业
21. polish vt. 擦亮, 发亮, 磨光, 推敲
Polish adj. 波兰(Poland)的
22.chief n. 首领, 领袖, 酋长, 长官,/adj. 主要的, 首要的, 首席的, 主任的
Chief Executive Officer 执行总裁，首席执行官
23. intention n. 意图, 目的
intent n. 意图, 目的, 意向/adj. 专心的, 决心的, 热心的
intentional adj. 有意图的, 故意的
高三英语知识点梳理3
虚拟语气在一些特殊词中的使用或含蓄条件句
1.wish后的宾语从句。
与现在愿望不一致，用主语十过去时，例如：
I wi。hIwere you.
与过去愿望不一致，用主语+had+过去分词，例如：Iwish I had visited the White House whenI was inthe States与将来愿望不一致，用主语+would (could)+原形。
2.It's time句型：当lt's tine后用that从句时应该为主i吾+should+动词原形或主语十过去时，例如：It，s timethatyou went to school.或It's time that you should go to schooL
3- If only引起的感叹句相当于“How I wish+宾语从句”。
(l)If only he could come.他要能来就好了。
(2)If only I had known the answer.我要早知道答案就好了。
4.WOuld rather，asif(though)引导的从句也需使用虚拟语气，表示过去的情况用过去完成时，表示现在与将来的情况用过去时，例如：
(l)I'd rather you posted the letter right away.
(2)She loves the children as if they were hers.
5.含蓄虚拟条件句含蓄条件句是指句中没有明显的虚拟条件句，而是利用其他手段来暗示存在虚拟条件。但是这类隐含式虚拟条件句往往都可以转化为if引导的条件句。常用来表示含蓄虚拟条件的手段有：
(1)介词或介词短语。如but for，but that，without,in case of, under more favorablecondition等。
(2)连词。如so that, unless, in case, supposing,lest, provided(倘若……)，for fearthat(唯恐)，in orderthat, on condition that, if only(要是……就好了)等。
注意：lest, for fear that和incase引起的从句中谓语动词多用should+动词原形，但也可以不用虚拟语气，而用动词的陈述语气形式。例如：The foreign teacherspokeslowly in case we misunderstood him这位外籍教师说得很慢以免我们误解。
(3)通过上下文及内在含义，句中往往有but,otherwise, unfortunately等类似转折词。
without, but. but for, otherwise引起的短语或句子常暗含着含蓄条件。例如：
①Without you,1 would never know him
②But for your oooperation, we wouldn't have done it
③But that she was afraid, she would have said no. .
④i would be most glad to help you, butI am busy now.
⑤I would have come to the party yesterday, but ljwas working.
⑥I am busy now, otherwise l would do you the favor!
高三英语知识点梳理相关文章：