高三英语单元必备知识点
积累知识，也就应有农民积肥的劲头，捡的范围要宽，不好限制太多，……牛粪人粪羊粪都一概捡回来，让它们统统变成有用的肥料，滋养作物的生长。以下是小编给大家整理的高三英语学习啦在线学习网单元必备知识点，希望能帮助到你!
高三英语单元必备知识点
学习啦在线学习网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。
学习啦在线学习网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。
学习啦在线学习网under attack遭受攻击
学习啦在线学习网The company has come under fierce attack for its decision to close the factory. 因为决定要关闭工厂，公司受到猛烈攻击。
学习啦在线学习网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。
学习啦在线学习网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。
学习啦在线学习网under copyright 享有版权
学习啦在线学习网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
学习啦在线学习网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。
学习啦在线学习网under discussion 在讨论中;在审议中
学习啦在线学习网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。
学习啦在线学习网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 the car. 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 repaired free of charge. 汽车还在保修期内，所以你应该可以免费修理。
学习啦在线学习网under oath 在法庭上宣过誓要说实话
学习啦在线学习网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
学习啦在线学习网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。
学习啦在线学习网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。
高三英语单元必备知识点梳理
be / get / become used to 习惯于
be given to 喜欢;癖好
be related to 与…有关系
be addicted to 沉溺于;对…上瘾
学习啦在线学习网be opposed to 反对
devote oneself to献身于;专心于
学习啦在线学习网be devoted to 致力于;忠诚于
be admitted to 被…录取;准进入
be reduced to 沦为
reduce…to…使…沦为
学习啦在线学习网be attached to附属于;喜欢;依恋
be adjusted to 适应
学习啦在线学习网be known to 为…所知
be married to 和…结婚
be sentenced to被判处
be connected to 和…连在一起
be exposed to 暴露于;遭受
be compared to 被比喻成
compare… to…把…比作…
be engaged to 与…订婚
be / become / get accustomed to // accustomed to 惯于;有…习惯
学习啦在线学习网be engaged to 与…订婚
get down to 着手做
lead to 导致
object to反对;不喜欢;不赞成
学习啦在线学习网put one’s mind to全神贯注于
学习啦在线学习网give rise to 引起
look forward to 盼望
学习啦在线学习网stick to 坚持
pay attention to 注意
attend to 专心;注意;照料
see to 负责;注意
contribute to对…作贡献;有助于
make contributions to对…作贡献
学习啦在线学习网apply oneself to 致力于
come close to几乎;将近
reply to 回答
add to 增加
学习啦在线学习网add up to 加起来
学习啦在线学习网in addition to除…之外
turn to转向;求助于
feel up to 能胜任于
look up to 尊敬
admit to承认
belong to 属于
take to 喜爱;开始
学习啦在线学习网cling to 附着
fall to 开始
学习啦在线学习网respond to 回答;对…作出回应
学习啦在线学习网accustom oneself to 使自己习惯于
学习啦在线学习网amount to等于
学习啦在线学习网prefer… to…更喜欢
set an example to 给…树立榜样
refer to 谈到;参考;查阅
agree to sth. 同意某事(比较：agree to do sth. 同意做某事)
prefer… to…更喜欢
take / make a trip to到…地方去
join…to…把…和 …连接起来
turn a blind eye to对…视而不见
学习啦在线学习网turn a deaf ear to 对…充耳不闻
学习啦在线学习网show honor to向…表示敬意
put an end to(bring… to an end) 结束
学习啦在线学习网set fire to 放火烧……
学习啦在线学习网drink (a toast) to 为……干杯
学习啦在线学习网propose a toast to 提议……
happen to… 发生了……事
occur to sb. 想起;想到
total up to 总计达
be close to 几乎;将近
hold to 坚持;抓住
help oneself to 随便用……
hold on to 抓住;固守
do harm to 对……有害处
do wrong to 冤枉某人
date back to 追溯到
when it comes to… 谈到……时
come to 来到;达到;结果为 (比较：come to do sth逐渐做某事)
give an eye to着眼于
have an eye to doing 打算
the key to ……的答案
describe to 向……描述
treat sb. to sth. 请某人吃……
学习啦在线学习网trust sth. to sb.把某物委托给某人
学习啦在线学习网pay a visit to 参观……
access to 进入;取得的方法
学习啦在线学习网be a stranger to 不习惯;对……陌生
学习啦在线学习网on one’s way to 在去某处的路上;在达成某事的过程中
be kind to 对……和善
学习啦在线学习网be important to 对……重要
学习啦在线学习网be senior to 年龄长于……
be equal to 和……相等
be particular to ……所特有的(比较：be particular about 对……过于讲究;挑剔)
学习啦在线学习网be subject to 服从;隶属;易遭\受\患
be familiar to 为 ……熟悉
be similar to 和……相似
be open to 对……开放
学习啦在线学习网be loyal to 对……忠诚
学习啦在线学习网be helpful to对……有益处
学习啦在线学习网be useful to对……有用
学习啦在线学习网be good to sb对某人好(比较：be good for 对……有益处)
be bad to 对……不好
be bad for(比较：对……有害处)
be new to 对……不习惯;对……陌生
学习啦在线学习网as to 关于;至于
学习啦在线学习网next to(否定词前)几乎;
be due to do sth.预定要做某事
next to ……的旁边
学习啦在线学习网due to 由于;归因于……
thanks to 多亏了;由于
学习啦在线学习网owing to 由于;因……的缘故
in / with regard to 关于
in /with relation to 关于;就……而论
subject to 在……条件下;依照
学习啦在线学习网be given to 沉溺于
be related to 与…相关
get down to着手做
学习啦在线学习网lead to 着手做
学习啦在线学习网object to / be opposed to 反对
put one’s mind to全神贯注于
学习啦在线学习网be equal to 胜任
devote oneself to献身于
give rise to 引起
学习啦在线学习网look forward to 盼望
pay attention to 注意
lead to通向 see to 负责
access to 接近(某地的)方法
be addicted to 沉溺于… 对…上瘾
according to 根据
学习啦在线学习网contribute to 为…作贡献
如：
学习啦在线学习网1. access to 接近,进入(某地的)方法; 通路
学习啦在线学习网The only access to that building is along that muddy track.
到那栋建筑的通路是沿着那条泥泞的路走。
2. according to 按照,依照,视……而定
The work was done according to his instructions.
学习啦在线学习网那工作是依照他的指示做的。
3. be addicted to 沉溺于……,对……上瘾
He became addicted to the drug.
他上了毒瘾。
学习啦在线学习网4. belong to 属于
This dictionary belongs to me.
这本词典是我的。
5. contribute to 为……做贡献,为……撰稿
Everyone should contribute what he or she can afford to society.
人人都应该尽自己的能力为社会做贡献。
6. devote to 献身，致力于……
He has devoted his life to helping disabled people.
他一生献身于帮助残疾人。
学习啦在线学习网7. due to 因为,由于……而起
His lateness was due to the very heavy traffic on the motorway.
学习啦在线学习网他迟到是因高速公路上车辆过多所致。
8. be equal to 与……相当,有能力胜任……的
Bill is quite equal to running the office.
学习啦在线学习网比尔的能力足以管理这个部门。
9. get close to 靠近,接近
Today many people like to go out to get close to nature.
学习啦在线学习网如今许多人喜欢到户外去接近大自然。
学习啦在线学习网10. get down to 开始做某事,认真处理某事
学习啦在线学习网It’s time I got down to some serious work.
我该认真干点正事了。
学习啦在线学习网11. hold to 忠于……,坚持,遵循
Whatever your argument, I shall hold to my decision.
不管你怎样争辩,我将坚持我的决定。
12. help oneself to 自取,自用(食物,饮料等)
学习啦在线学习网Help yourself to a cigarette.
请随便用香烟吧。
学习啦在线学习网13. look forward to 盼望,期待
学习啦在线学习网We are so much looking forward to seeing you again.
我们非常盼望再见到你。
14. lead to 导致
学习啦在线学习网This misprint led to great confusion.
这个印刷错误造成很大的混淆。
15. prefer…to…两者间更喜欢……
I prefer walking to cycling.
学习啦在线学习网我愿意步行,不愿意骑自行车。
学习啦在线学习网16. pay attention to 注意
Pay attention to what the teacher is talking about!
注意老师说的话!
学习啦在线学习网17. refer to 提到,涉及到,关系到,参考,查阅
What I have to say refers to all of you.
我要说的事和你们大家都有关。
学习啦在线学习网18. relate to 与……有关,涉及……
学习啦在线学习网Wealth is seldom related to happiness.
财富鲜于幸福有关。
19. see to 照看或处理某事物
学习啦在线学习网Will you see to the arrangements for the next committee meeting?
学习啦在线学习网你来处理下次委员会会议安排,好吗?
20.stick to 坚持,不改变或不放弃
We don’t want to hear your opinions; stick to the facts!
我们不想听你的想法,只讲事实!
21.turn to 转向,求助于,转而做
学习啦在线学习网The more depressed he got, the more he turned to drink.
他情绪越低落越是借酒浇愁。
22.used to 习惯于……,适应……
She is quite used to working hard.
她很习惯做艰苦的工作。
高三英语单元必备知识点总结
用来作主语的句子叫做主语从句。如：
(1)When he was born is unknown. 他生于何时还不知道。
(2)What he did last night is being investigated. 他昨天晚上干了些什么正在调查之中。
在主语从句中须注意：
1. 主语从句一般用it作形式主语，放在句首，而将主语从句放到句末。如：
(1)It is possible that he has stolen the car. 很可能他偷了小车。
(2)Isn’t it strange that he should not have passed the test? 他测试没有通过，难道不奇怪吗?
学习啦在线学习网2. if引导主语从句时，只能用it作形式主语，放在句首，而将if引导的主语从句放到句末。如：
学习啦在线学习网It is uncertain if he will leave for Beijing tomorrow. 明天他是否去北京还不敢肯定。
3. that引导主语从句放在句首时，that不可省，但在句末口语中可省。如：
学习啦在线学习网That he was ill yesterday is known now. 大家都已知道他昨天生了病。
4. 连接代词引导主语从句只能放在句首。如;
(1)Who has broken the glass is unknown. 谁打破了玻璃现在还不知道。
(2)What he wants is all here. 他所要的东西都在这里。
5. 主语从句中主句的谓语动词一般用第三人称单数形式，但what引导主语从句的主句谓语动词的形式须根据句子的意思来判断。如
(1)How he worked it out is still a secret. 他是如何把它做出来的还是一个秘密
学习啦在线学习网(2)What they makes in this factory are TV sets. 他们在工厂里所做的东西就是电视机。
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