2017年學(xué)生必背高考英語3500詞

　　現(xiàn)在英語復(fù)習(xí)已經(jīng)進(jìn)入了最后的攻堅階段。這一階段主要是做大量的綜合題，在做題的過程中，還是要加強(qiáng)對單詞的記憶與復(fù)習(xí)�？傊�，不到高考結(jié)束那一刻，就不能放松對詞匯的記憶與檢查。下面是小編整理的高考英語3500詞以O(shè)開頭的部分，希望能幫到大家!

　　高考英語3500詞【O】

　　1. object n. 物品，賓語 v. 不同意 everyday objects 日常物品

　　her object in life=aim 目標(biāo) object to n./doing… 反對;不同意

　　Many local people objected to building the new airport. objective adj. 客觀的

　　2. ◎ observe v.觀察，監(jiān)視，觀測

　　observe sb do sth觀察某人做某事; observe sb doing sth 觀察某人在做某事

　　與…無關(guān) 很容易

　　observe sth done 觀察某事被做 observed Christmas Day/one’s birthday 慶祝…

　　observe the law 遵守…

　　3. ●obtain vt/vi 獲得;得到;存在 1).obtain advice/information/permission

　　2).These customs no longer obtain.

　　4. ◎ occupy v.居住;占有，占用(時，空);占領(lǐng)

　　The house is occupied. …有人住 The bathroom is occupied. …有人用

　　The dinner occupied 2 hours. Many anxieties occupied his mind.

　　忙于某事

　　5. ●occur vi (occurred, occurred) - happen發(fā)生

　　1).When exactly did the accident occur?

　　2). Sth occurred to/hit/struck sb. 出現(xiàn)在頭腦中，被想到 The idea occurred to him in a dream.

　　3).It occurred to me that I had left my keys in the room. It didn’t occur to her to ask for help.

　　6. offer n./v. 主動提議 He offered 5000 dollars for the car. 出價

　　offer sb. sth./sth. to sb. 主動給 offer to do… 提出做

　　supply sb. with sth./supply sth. to sb. provide sb. with sth./provide sth. for sb.

　　Thanks for your kind offer of help.

　　7. office n. 辦公室，辦公樓 officer n. 警官，軍官

　　office building/block 辦公大樓 hold office 占據(jù)要職

　　in office/out of office 任職/離職 開始執(zhí)政

　　8. official adj. 官方的，正式的 n. 高級官員

　　the official language 官方語言 an official affair 公務(wù)

　　9. once adv. 一次 conj. 一旦 all at once=suddenly 突然 at once 立即，同時

　　(just) for once/just this once 僅此一次

　　Once bitten, twice shy. 一朝被蛇咬，十年怕井繩。 once more=once again 再一次

　　once upon a time 從前，很久以前 (every) once in a while 偶爾，間或

　　10. one one by one 逐個的 one after another 一個接一個 one another 相互

　　11. oneself of oneself 自動地 for oneself 親自 (all) by oneself 獨(dú)自

　　talk to oneself=think aloud 自言自語 enjoy oneself 玩得開心

　　I am not myself today. 身體不舒服 Help yourself to some fish. 隨便吃

　　12. only adv./adj 僅僅 I am an only child. 獨(dú)生子

　　not only … but (also) … only to do… (意想不到的)結(jié)果...

　　13. ●opening a).孔，洞，縫隙 b).開放，展開 c).空缺的職位 d). 開始，開端 e).開幕式，落成典禮 1).There are several openings in the sales department .

　　2).The movie has an exciting opening .

　　3).Have you attended the opening of the Olympic Games ?

　　4).We could see the stars through an opening in the roof . 5).It’s nice to see the opening of a flower . Opening hours/time(營業(yè)時間) his opening remarks (他的開場白)

　　14. operate v. 操作，手術(shù) operate a computer 操作電腦 operating system (計算機(jī))操作系統(tǒng) operate on a patient 給病人手術(shù) operating table 手術(shù)臺

　　operation n. 操作，手術(shù) in operation 工作中 開始工作，生效

　　put sth. into operation/practice 實(shí)施

　　15. ●oppose 1).oppose sth 他反對我出國的計劃。 2).oppose doing sth 我反對改變這項法律。

　　3).be opposed to sth/doing sth She was/remained bitterly opposed to the idea of moving abroad.

　　4).200 attended, as opposed to 300 the previous year .(相對于)

　　16. opposite adj. adv. 相反的/地，相對的/地

　　have the opposite opinion 持相反的觀點(diǎn) the opposite of heavy 反義詞

　　There is a shop opposite our school.

　　17. ◎optimistic a.樂觀的 take an optimistic view 抱有樂觀的想法 be optimistic about…

　　18. or conj. 或者 or=or else=otherwise 否則 or so 大約

　　Hurry or else we will be late. either…or…或…或…

　　whether…or/or not… 無論…還是(不)… Hurry, or you will be late.(-otherwise)

　　19. order n. 安排，順序 v. 命令 in/out of order 有序/有毛病

　　in order of time 按時間順序 order to do/for sb. to do… 命令，指揮

　　order that…(should)… 命令 in order to do …/that… 為了

　　place an order for 訂購 order a dish/a car

　　May I take your order? 點(diǎn)菜

　　20. organise/organize v. 組織 organisation n. 組織

　　a well-organised trip 有組織的，有系統(tǒng)的

　　21. other/another/the other/others/the others

　　other than=except (for)=besides 除了

　　We’re going away in June but other than that I will be here all summer.

　　the other day/week 前幾天，前幾周 another day/time 改天，下次

　　22. otherwise=or (else)

　　Do it otherwise, please. = in another way 以另一種方式

　　or otherwise 或其他情況 We’ll get there by train or otherwise.

　　23.out adv. 外 out of luck 不走運(yùn) out of sight 看不見 one out of four 四分之一 run out 用盡 outdoor activities 戶外運(yùn)動 eat outdoors 野餐

　　24. over prep. adv. take over 接管 get over 克服 (all ) over again 重新 over and again 反復(fù)地 over=more than 超過 over dinner/a coffee 在…期間

　　25. ◎ overcome v.戰(zhàn)勝，克服 overcome the enemy

　　overcome financial problems/a bad habit

　　be overcome with (anger/sorrow) 極其/非常(生氣/悲傷)

　　26. ●overlook 不注意，沒注意到，俯瞰，監(jiān)督指導(dǎo)

　　1).He seems to have overlooked one important fact .

　　2).This is a restaurant ________the lake.

　　3).She has been overlooked for promotion several times.

　　27. ●owe 1).owe sb sth =owe sth to sb 我認(rèn)為你還欠我一個解釋/道歉/答復(fù)。

　　2).他把自己的`成功歸功于努力的結(jié)果。_________________________________________.

　　3).owe it to sb that

　　我的成功歸功于你的幫助。_______________________________________________.

　　4).owing to =because of

　　28. own adj. 自己的 v. 擁有 owner n. ownership n.

　　a car of my own/my own car 我自己的車

　　He did it on his own 獨(dú)立地，單獨(dú)地 I don’t own anything of any value.

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