2017年学生必背高考英语3500词
13. ●opening a).孔，洞，缝隙 b).开放，展开 c).空缺的职位 d). 开始，开端 e).开幕式，落成典礼 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(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 工作中 开始工作，生效
put sth. into operation/practice 实施
15. ●oppose 1).oppose sth 他反对我出国的计划。 2).oppose doing sth 我反对改变这项法律。
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 .(相对于)
16. opposite adj. adv. 相反的/地，相对的/地
have the opposite opinion 持相反的观点 the opposite of heavy 反义词
There is a shop opposite our school.
17. ◎optimistic a.乐观的 take an optimistic view 抱有乐观的想法 be optimistic about…
18. or conj. 或者 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)… Hurry, or you will be late.(-otherwise)
19. order n. 安排，顺序 v. 命令 in/out of order 有序/有毛病
in order of time 按时间顺序 order to do/for sb. to do… 命令，指挥
order that…(should)… 命令 in order to do …/that… 为了
place an order for 订购 order a dish/a car
May I take your order? 点菜
20. organise/organize v. 组织 organisation n. 组织
a well-organised trip 有组织的'，有系统的
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 前几天，前几周 another day/time 改天，下次
22. otherwise=or (else)
Do it otherwise, please. = in another way 以另一种方式
or otherwise 或其他情况 We’ll get there by train or otherwise.
23.out adv. 外 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. adv. take over 接管 get over 克服 (all ) over again 重新 over and again 反复地 over=more than 超过 over dinner/a coffee 在…期间
25. ◎ overcome v.战胜，克服 overcome the enemy
overcome financial problems/a bad habit
be overcome with (anger/sorrow) 极其/非常(生气/悲伤)
26. ●overlook 不注意，没注意到，俯瞰，监督指导
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 我认为你还欠我一个解释/道歉/答复。
2).他把自己的成功归功于努力的结果。_________________________________________.
3).owe it to sb that
我的成功归功于你的帮助。_______________________________________________.
4).owing to =because of
28. own adj. 自己的 v. 拥有 owner n. ownership n.
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.
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