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原标题：【每天打卡记单词】大学英语必背单词3500（I/J/K）
寒假方案里有一件事必不可以少，那就是背单词。
修改按字母次序，每天为我们推送必背3500单词系列。不只有单词，和单词有关的要点短语和句型也同时排出来了哦。
今日是首字母I/J/K的单词，来看看哪些单词是你没记住的，必定要背到熟练哦。
1. idea n. 主意，主见，概念
have some/no idea + 从句/of… 晓得/不晓得……
I have no idea why she left.
I have no idea of his address.
2. identity [a??dent?ti] n. 身份，共同
The police are trying to discover the identity of the killer.
The thief used a false identity.
identity card=ID card 身份证
3. ill adj.患病的，坏的，凶暴的
ill与sick的差异：
ill当患病讲时只做表语，sick当患病讲时可做表语也可作定语。
He was ill/sick.
a sick mother
have a bad/an ill effect on 对……影响不好
ill adv. 晦气地；恶劣地
speak/think ill of sb. 说或人的坏话
4. illegal [??li:gl] 
adj. 不合法的，违法的
It is illegal to drive through a red light.
illegally adv.
He entered the country illegally.
5. imagine v.愿望
imagine sth./doing sth.
I can’t imagine life without the children now.
I can’t imagine his becoming a teacher.
6. immediately [??mi:di?tli] adv. 马上，当即，直接地
He answered almost immediately.
Turn right immediately after the church.
immediately conj. 一……就……
Immediately he had gone,I remembered his name.他一走，我就想起了他的名字。
immediate adj. 马上的，当即的，直接的
an immediate reaction/response 直接的反应
take immediate action 当即采纳行为
7. import n./v.进口，输入
the import of electrical goods 电器的进口
All the meat is imported from France.
8. impression [?m?pre?n] n. 形象
① get a good/bad impression of sb 对或人形象好/坏
a
general/an overall impression 全体形象
② My words made no impression on her. 我的话没有给她留下形象。
His trip to India makes a strong impression on him.
③ be under the impression that 觉得，认为
I was under the impression that the work had already been completed.
9. impress v.给……留下形象
impress sb with sth/sb 使或人对…留下形象
He impressed us with his sincerity（真挚）.
impress sth on/upon sb 使或人对某事形象深化；使或人铭记……
He impressed on us the need for immediate action.
10. in prep.在……之内，时髦的，从事，依照，在……方面
in a word ??
in all 一共
in modern times
be measured in tons 用吨来衡量
in that… 因为……
She was lucky in that she had friends to help her .
in the eighteenth century
in the1990s 在20世纪90年代
in one’s twenties 在或人二十几岁的时分
in pencil/ English/ ink 用铅笔/英语/墨水
pay
sth in cash 用现金付出
The wall is 3meters in height/high.
The rope（绳子） is 3 meters in length/long.
11. include [?n?klu:d] v. 包括，包括
Everyone laughed, including me. (me included.)
12. increase [?n?kri:s] v./n. 添加
increase to/by 添加到/了
Great demands lead to a large increase in supply.
13. increasingly [?n?kri:s??li] adv. 越来越多地，不断添加地
increasingly difficult/important/popular 越来越难/重要/盛行
14. indicate [??nd?ke?t] v. 标明，暗示，指出
A red sky at night often indicated fine weather the next day.
In his letter, he indicated to us that he was willing to cooperate（协作）.
indication n.
indication of sth/doing sth
They gave no indication of how the work should be done. 他没有指出这项作业该如何做。
15. industry [??nd?stri] n. 工业，工业
industrial adj. 工业的，工业的
heavy/light industry
16. influence [??nflu?ns] n./v. 影响
have a strong influence on/upon sb/sth
have influence over sb/sth 有支配或人的才能
His parents no longer have any influence over her.
under the influence of sb/sth 在……的影响下
He committed the crime under the influence of the drugs. 在毒品的影响下，他犯了罪。
Those friends are a bad influence on her.
His writings have influenced the lives of millions.
17. inform v.奉告，告诉
inform sb. of/that 奉告或人……
We regret to inform you that your application has been rejected.
keep sb. informed of 使或人得知……
18. injure [??nd??(r)] v.损伤，损害
He injured his knee playing football. 踢足球的时分，他伤了他的膝盖。
This could seriously injure the company’s reputation（名誉，荣誉）.
injury n. 损伤，损害；伤口
There were no injuries in the crash（坠毁）.
The players are out of the team because of injury. 这些运发原因为受伤退出了球队。
19. insert [?n?s?:t] v. 刺进，嵌入
insert sth in/into/between sth
They insert a tube（管子） in his mouth to help him breathe.
20. insist [?n?s?st] v.坚持
The man insisted that he hadn’t stolen anything and that he (should) be set free.
insist on doing sth. 坚持做某事
21. inspect [?n?spekt] v. 查看，调查
inspection n. 查看，调查
inspector n. 查看员，调查员
The teacher walked around inspecting their work.
22. instant [??nst?nt] n.片刻间，马上，顷刻 adj.马上的 conj. 一……就……
instantly adv. 当即地，马上地
The show was an instant success.
instant coffee/noodles 速溶咖啡/便利面
I will be back in an instant.
At the very instant, the door opened.
I recognized her the instant I saw her. 我一看到她就认出了她。
23. instead [?n?sted] adv. 替代，相反
Lee was ill, so I went instead.
He didn’t reply. Instead, he left.
instead of 替代，而不是
Now I can walk to work instead of going by car.
24. instruct [?n?str?kt] v.辅导，教授，指令
instruct sb to do
She arrived at 10 o’ clock as instructed.
The letter instructed him to report to headquarters（总部）immediately.
instruction n.辅导，教授，指令
follow one’s instructions
carry out/ignore one’s instructs 实施/无视或人的辅导/指令
25. insure [?n????(r)] vt. 保证，给……稳妥
Have you insured the contents of your home?
26. intend [?n?tend] v.想要，方案
intend (sb.)to do
I intend to spend the night there.
intend that
It is intended that these meetings will become a regular event.
be intended for sb./sth 专门为……预备/方案
The book, intended for children aged 5-7,sells well.
27. intention [?n?ten?n] n. 意图，意图，意向
intention of doing sth/to do sth
I have no intention of going to the wedding.
I had every intention of paying her back what I owe her.
She is full of good intentions.
He left England with the intention of traveling in Africa.
28. interest n.快乐喜爱，利息，利益 v. 使……感快乐喜爱
interest sb. 使或人感快乐喜爱
I bought the book that interested me most.
show/have/feel/express (an) interest in…
lose interest in…
I watched the game with interest.
利益(C) 常用复数方法 protect customers’ interests
a place of interest/places of interest 名胜奇迹
29. interpreter [?n?t?:pr?t?(r)] n. 口译者，说明者
interpret v. 口译，说明
interpret the poem
interpret sth as sth
I didn’t know whether to interpret her silence as acceptance or refusal.
interpret for sb
30. interview [??nt?vju:] v./n. 面试，采访
a television/newspaper/radio interview
Which post are you being interviewed for?
If you don’t interview well ,you are unlikely to get the job.
interviewee n. 被采访者，被面试者
interviewer n. 采访者，面试者
31. introduce v. 介绍，引入
introduction n.
introduce sb. to sb./oneself
introduce sb. to sth.
It was she who first introduced me to the pleasures of sailing.
introduce new technology
an introduction to English grammar
32. jam n. 堵塞，窘境，果酱
traffic jam 交通堵塞
33. Japanese n. 日自己；日语 adj. 日本（人）的；日语的
34. join v. 参加，参加，联接
join the party/army
join sb. in sth./doing sth.
join in the game
join hands with sb.
join A to B./join A and B
The island is joined to the mainland by a bridge.
35. joke n. 玩笑，笑话 v.开玩笑
play a joke on sb. 开或人的玩笑
have/make a joke with sb. 和或人开玩笑
I was only joking.
我只不过是在开玩笑。
36. joy n. 高兴，高兴
(much) to one’s joy
light up with joy 充溢高兴
joyful adj. 欢欣的；令人高兴的
37. judge n. 裁判；法官 v. 判别，审判
The judge sentenced him to five years in prison.
1Don’t judge a book by its cover. 不要以貌取人
judge by/from 经过……来判别
Judging by his letter, they are having a wonderful time.
judgement n. 断定
pass judgement on sb sth 经过对……的断定
38. keep v.
keep (on)doing 一向做……
Why do you keep laughing all the time? 你为啥一向在笑?
He is always keeping (on ) asking me the same question.
keep a secret 保存隐秘
keep one’s word 恪守承诺
keep a record 坚持记载
keep sb/sth from doing 阻挡或人做某事
keep the door open
keep her waiting
keep sb. informed of…
keep calm/healthy
keep up with 跟上
keep up (气候)持续不变
The rain kept up all afternoon.
keep back 隐秘；阻挡；留下
keep sth back from sb. 向或人隐秘
keep away from 远离
keep off 不触摸
Keep off grass!
39. key n. 答案，要害，琴键
the key to success 成功的要害
40. kind adj . 仁慈的，友爱的 n.品种
be kind to sb. 对或人友爱的
a kind of
all kinds of
kind of 略微，有点儿
That made me feel kind of stupid.
41. knee n.膝盖
get down on one’s knees 跪着
42. knock v./n. 敲，批判
knock at the door 敲门
knock around/about 周游/优待
knock down 撞到/拆掉
knock over 撞翻
43. know v. 知道；晓得；晓得
know of/about 晓得，得悉，晓得
be known for/as
get to know sb. 逐步晓得……
44. knowledge [?n?l?d?] n.常识
Knowledge is power.
have a good knowledge of… 极好的晓得/掌控……
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