单词+词组+句型，20天轻松搞定3500词（N，O）
小艾老师相信，只有在这里你才能看到对高考词汇把握如此透彻和精准的材料，所以，要利用好这些极好的材料，否则就太可惜了！最近大家的学习劲儿不是很足呀，周六了，抽半个小时看看单词，一个好的习惯需要20天，我坚信跟着小艾老师学英语，你一定会进步很大的。
N
1. name n.名字，名誉 v.命名，任命
enjoy a good name 享有盛名
by the name of=named… 名叫...…的
in God’s/Heaven’s name=in the name of God/Heaven 看在上帝的份上
in the name of… 以......的名义，看在......的份上
be named after 以......名字命名
a boy named…/naming himself… 一个名叫......的男孩
namely =that is… 即，也就是说…...
2. narrow adj.狭窄的，勉强的 v.（使）变窄
narrowly adv.狭窄地，勉强地，仔细地
a narrow victory 险胜
She has a very narrow view of the world. 她有着狭隘的世界观。
She escaped injury narrowly. 她差点受伤。
in the narrow/broad sense 狭义上/广义上讲
3. native adj.本国的，当地的 n. 当地人；土产
my native language-mother tongue 我的母语
a native of London 伦敦当地人
4. nearly/almost adv. 几乎，差不多
I have worked here for nearly 10 years.
almost everyone 几乎所有人
not nearly=much less than=not at all=far from 远非，绝不是
There isn’t nearly enough time to get there now.
5. necessary adj. 必要的，必须的，必然的 n.必需品
It is necessary for sb. to do sth.
If (it is) necessary, you can call on me.
It is necessary that …(should)…
6. neck n.脖子，衣领
neck and neck 并驾齐驱，不分上下
a round-necked sweater 一件圆领毛衣
7. need v./n. 需要
They badly need a change.
There is no need for sb. to do sth.=sb have no need to do sth. 某人没有必要做某事。
There is no need for you to get up early tomorrow.你明天没有必要早起。
I have no need to open the letter.我没有必要打开这封信。
in need of 需要......
I am in need of some fresh air. 我需要一些新鲜的空气。
if need be=if necessary 如果有必要/需要
There is always food in the freezer if need be. 如有需要，冰箱里总会有事物。
8. neither conj.也不 pron.两者都不 adj./adv.两者之中其中任何一者都不的/地
They produced two reports, neither of which contained any useful suggestions. 他们制作了两份报告，其中没有一份包含任何有用的建议。
neither…nor… 既不...…也不...…
either…or… 或...…或...…
9. noise n.噪音
noisy adj.喧闹的，吵闹的
We had to shout above the noise of traffic.我们不得不高于交通噪音大声喊。
voice n. 嗓音
in a low/high voice 高声地/低声的
She has a good voice.她有好嗓音。
sound n.自然界的各种声音
Light travels much faster than sound.光传播的比声快。
10.normal adj. 正常的 n. 正常
normally adv.
It’s normal to feel tired after such a long trip.
normal temperature 正常温度
return to normal=get back to normal 恢复正常
common adj.常见的，共同的
a common mistake常见错误
common sense常识
common practice 习惯做法
ordinary 普通的(average)
ordinary-looking 相貌平平的
usual adj.通常的
as usual 和往常一样
than usual 比往常更......
11. nose n. 鼻子
a running/runny nose 流鼻涕的鼻子
12. nothing pron. 没有什么
for nothing=for free 免费的
have nothing to do with 与…...无关
nothing but=just 仅仅，只不过
I want nothing but the best for my children.
anything but 绝不
The hotel was anything but cheap.
There is nothing to it.=It’s very easy. 很容易。
13. notice n.注意，通知 v.注意到
take notice of=pay attention to 注意......
Don’t take any notice of what you read in the papers.
come to my notice 我注意到
put up a notice 公告，通知
The bar is closed until further notice. 酒吧关闭，（开业）另行通知。
notice sb/sth. do/doing/done 注意到某人做了/正在做某事
14. now (that) =since 既然
Now that the guests left ,we’ve got a lot of extra space.既然客人走了，我们有了很多额外的空间。
(every) now and then/again=from time to time 不时地
It is now or never. 机不可失。
15. nowhere adv.无处，任何地方都不 n.无处
go/get no where 毫无进展
The discussion got nowhere this morning.今天早晨，讨论毫无进展。
nowhere to be found/seen/in sight 找不到
My ticket is nowhere to be found.
Nowhere in the world other than Britain can you experience four seasons in a single day. 在世界上，除了英国，在任何地方你都不能在一天中经历四季。
O
1. object n. 物品，目标，宾语 v.拒绝
everyday objects 日常物品
her object in life=aim 目标
object to sth./doing… 反对/不同意......
Many local people objected to building the new airport. 当地很多人反对修建新机场。
objective adj. 客观的
2. observe v.观察，遵守
observe sb do sth观察某人做某事
observe sb doing sth 观察某人正在做某事
observe sth done 观察某事被做
observe the law 遵守法律
3. obtain vt/vi 获得；得到；存在
obtain advice/information/permission（许可）
These customs no longer obtain. 这些习俗不再存在了。
4. occupy v.占据；占领；居住；使忙碌
The house is occupied. 这座房子有人住。
The bathroom is occupied. 浴室有人用。
The dinner occupied 2 hours. 晚餐占用了两个小时。
Many anxieties occupied his mind.他非常焦虑。
occupy oneself with sth/in doing sth 某人忙于某事
5. occur (occurred, occurred) vi.发生，突然想到
When exactly did the accident occur? 事故发生的确切时间是什么时候？
sth occurred to/hit/struck sb. 某人突然想到......
The idea occurred to him in a dream. 在梦里，他想到这个主意。
It occurred to me that I had left my keys in the room.我突然想到我把钥匙落在房间里了。
It didn’t occur to her to ask for help. 她没有想到要寻求帮助。
6. offer v.提供，主动提出，出价 n.提供，提议，出价，录取通知书
He offered 5000 dollars for the car. 这辆汽车他出价5000美元。
offer sb. sth./sth. to sb. 提供某人某物
offer to do sth. 主动提出做某事
supply sb. with sth.=supply sth. to sb. 提供某人某物
provide sb. with sth.=provide sth. for sb. 提供某人某物
Thanks for your kind offer of help. 感谢你提供好心的帮助。
7. office n. 办公室，办公楼，政府机关，官职
officer n. 警官，军官
office building/block 办公大楼
hold office 占据要职
in office/out of office 任职/离职
take office 就任，上台
The present government took office in 1997.
8. official adj. 官方的，正式的 n. 高级官员
the official language 官方语言
an official affair 公务
9. once n. 一次 adv. 曾经，从前 conj. 一旦
all at once=suddenly 突然
at once 立即
(just) for once/just this once 仅此一次
Once bitten, twice shy. 一朝被蛇咬，十年怕井绳。
once more=once again 再一次
once upon a time 从前，很久以前
(every) once in a while 偶尔，间或
10. one n./pron. 一个人/物 num.一，一个
one by one 逐个的
one after another 一个接一个
one another 相互
11. oneself pron.自己
of oneself 自动地
for oneself 亲自
（all） by oneself 单独，独自
talk to oneself=think aloud 自言自语
enjoy oneself 玩得开心
I am not myself today. 我今天身体不舒服。
Help yourself to some fish. 随便吃些鱼。
12. only adv./adj 仅仅
I am an only child. 我是独生子。
not only…but (also)… 不仅......而且......
only to do… 竟然......（表出乎意料）
13. opening n.开始，孔，缝隙，空缺的职位，机会，通路
There are several openings in the sales department. 销售部门有一些空缺的职位。
The movie has an exciting opening. 这部电影开头很精彩。
Have you attended the opening of the Olympic Games? 你参加奥运会的开幕式了吗？
We could see the stars through an opening in the roof.我们可以通过屋顶上的缝隙看到星星。
It’s nice to see the opening of a flower. 看到一朵花开令人很愉快。
opening hours/time 营业时间
his opening remarks 他的开场白
14. operate v.操作，手术
operate a computer 操作电脑
operating system （计算机）操作系统
operate on a patient 给病人手术
operating table 手术台
operation n.操作，手术
in operation 操作中
The new rules will come into（开始工作，生效）operation from next week.
put sth. into operation/practice 实施......
15. oppose v.反对，对抗
oppose sth
oppose doing sth
be opposed to sth/doing sth
She was/remained bitterly opposed to the idea of moving abroad.她强烈反对移居国外的注意。
16. opposite adj.相反的，对面的，对立的 adv.在对面 prep.在...对面 n.对立面，反义词
have the opposite opinion 持相反的观点
the opposite of heavy 反义词
There is a shop opposite our school.在我们学校对面有一家商店。
17. optimistic adj. 乐观的
take an optimistic view 抱有乐观的想法
be optimistic about…
18. or conj. 或者，否则
or=or else=otherwise 否则
or so 大约
Hurry or else we will be late.
either…or… 或…...或…...
whether…or/or not… 无论…...还是（不是）...…
Hurry, or you will be late. 快点，否则你要迟到了。
19. order n.顺序，命令，订单 v. 命令，整理，订购
in/out of order 有序/有毛病
in order of time 按时间顺序
order（sb）to do 命令某人做某事
order that…(should)…
in order to do sth./that… 为了......
place an order for 订购......
order a dish/a car
May I take your order? 您点好菜了吗？
20. organise/organize v.组织
organisation n.组织
a well-organised trip 有组织的，有系统的
21. other adj.其他的，另外的 pron.另外一个
other than=except (for)=besides 除了
the other day/week 前几天，前几周
another day/time 改天，下次
22. otherwise adv.否则，另外 adj.另外的
Do it otherwise, please. =Do it in another way，please. 请以另一种方式做。
or otherwise 或相反
23. out adv.在外，出局 adj.外面的，出局的 prep.向，离去 v.出来 n.出局
out of luck 不走运
out of sight 看不见
one out of four 四分之一
run out 用尽
outdoor activities 户外运动
eat outdoors 野餐
24. over prep.在......上，超过，越过 adv.越过，结束
take over 接管
get over 克服
(all ) over again 再次
over and again 反复地
over=more than 超过
over dinner/a coffee 在吃晚饭/喝咖啡期间
25. overcome v.战胜，克服
overcome the enemy
overcome financial problems/a bad habit 克服金融问题/一个坏习惯
be overcome with (anger/sorrow) 极其/非常（生气/悲伤）
26. overlook v.俯瞰，忽略
He seems to have overlooked one important fact. 他看上去忽略了一个重要的事实。
27. owe v.欠，归功于
owe sb sth =owe sth to sb 欠某人某物，把某事归功于某人
owing to =because of 因为，由于
28. own adj.自己的 v.拥有
owner n.所有者，物主
ownership n.所有权，物主身份
a car of my own=my own car 我自己的车
He did it on his own 独立地，单独地
I don’t own anything of any value. 我没有任何有价值的东西。
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