奇速君將按字母順序，每天連續為同學們發送3500詞系列。這個系列好的地方在於附帶朗讀音頻，而且它不是單個呈現單詞，和單詞相關的重點短語和句型也一併給出來，這樣，我們不僅可以練習發音，還可以在語境中記憶單詞，而且在記單詞的同時也掌握了其用法。
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高考3500詞彙（A—Z）ABCDEFGHIJKLMNOPQROSTUVWXYZ紫色顯示已更新，點擊對應字母查看即可
I
I [a] pron. 我
ice [as] n. 冰
ice-cream [as- krim] n. 冰淇淋
Iceland [aslnd] * n. 冰島
idea [ad] n. 主意,意見,打算,想法
have some/no idea + 從句/of… 知道/不知道......
I have no idea why she left.
I have no idea of his address.
identity [adentt] n. 身份, 特徵
The police are trying to discover the identity of the killer.
The thief used a false identity.
identity card=ID card 身份證
identification [adentfke()n] n. 鑑定, 辨別
idiom [dm] n. 習語, 成語
if [f] conj.如果,假使,是否,是不是
ignore [ɡn(r)] v. 忽視, 對…不理會
ill [l] a. 有病的；不健康的
ill與sick的區別：
ill當生病講時只做表語，sick當生病講時可做表語也可作定語。
He was ill/sick.
a sick mother
have a bad/an ill effect on 對...…影響不好
speak/think ill of sb. 說某人的壞話
illegal [liɡ()l] a. 非法的
It is illegal to drive through a red light.
illegally adv.
He entered the country illegally.
illness [lns] n. 疾病
imagine [mdn] vt. 想像, 設想
imagine sth./doing sth.
I can’t imagine life without the children now.
I can’t imagine his becoming a teacher.
immediate [midt] a. 立即的, 馬上
He answered almost immediately.
Turn right immediately after the church.
Immediately he had gone,I remembered his name.他一走，我就想起了他的名字。
immediate adj. 立刻的，立即的，直接的
an immediate reaction/response 直接的反應
take immediate action 立即採取行動
immediately [midtl] ad. 立即
immigration [m'gren] n. 移民
import [mpt] v.& n. 進口, 輸入
the import of electrical goods 電器的進口
All the meat is imported from France.
importance [mpt()ns] n. 重要性
important [mptnt] a. 重要的
impossible [mpsb()l] a. 不可能的
impress [mpres] vt. 留下極深的印象
impress sb with sth/sb 使某人對...留下印象
He impressed us with his sincerity（真誠）.
impress sth on/upon sb 使某人對某事印象深刻；使某人銘記......
He impressed on us the need for immediate action.
impression [mpre()n] n. 印象, 感覺
① get a good/bad impression of sb 對某人印象好/壞
a general/an overall impression 總體印象
② My words made no impression on her.我的話沒有給她留下印象。
His trip to India makes a strong impression on him.
③ be under the impression that 覺得，認為
I was under the impression that the work had already been completed.
improve [mpruv] vt. 改進, 更新
in [n] prep. 在…裡(內)；在…；以… ad. 在家, 在內, 向內
in a word 話說
in all 總共
in modern times
be measured in tons 用噸來衡量
in that… 因為......
She was lucky in that she had friends to help her .
in the eighteenth century
in the1990s 在20世紀90年代
in one’s twenties 在某人二十幾歲的時候
in pencil/ English/ ink 用鉛筆/英語/墨水
pay sth in cash 用現金支付
The wall is 3meters in height/high.
The rope（繩子） is 3 meters in length/long.
inch [nt] n. 英寸
incident [nsd()nt] n. 事件
include [nklud] vt. 包含, 包括
Everyone laughed, including me. (me included.)
income [nkm] n. 收入, 所得
incorrect [nkrekt] a. 不正確的, 錯誤的
increase [nkris] v. & n. 增加, 繁殖
increase to/by 增加到/了
Great demands lead to a large increase in supply.
increasingly adv. 越來越多地，不斷增加地
increasingly difficult/important/popular越來越難/重要/流行
indeed [ndid] a. 確實；實在
independence [ndpendns] n. 獨立
independent [ndpendnt] a.獨立的,有主見的
India [nd] * n. 印度
Indian [ndn] a.(美洲)印地安人的; 印度人的 n. 印地安人；印度人
Indicate ['ndket] v.表明, 象徵, 暗示
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（合作）.
indication n.
indication of sth/doing sth
They gave no indication of how the work should be done. 他沒有指出這項工作該如何做。
industry [ndstr] n. 工業, 產業
industrial adj. 工業的，產業的
heavy/light industry
influence [nflns] n.& v. 影響
have a strong influence on/upon sb/sth
have influence over sb/sth 有左右某人的能力
His parents no longer have any influence over her.
under the influence of sb/sth 在......的影響下
He committed the crime under the influence of the drugs. 在毒品的影響下，他犯了罪。
Those friends are a bad influence on her.
His writings have influenced the lives of millions.
inform [nfm] vt. 告訴； 通知
inform sb. of/that 告知某人......
We regret to inform you that your application has been rejected.
keep sb. informed of 使某人得知......
information [nfme()n] n. 信息
information desk [nfme()n desk] 問訊處
initial [n()l] a. 開始的, 最初的
injure [nd(r)] vt. 損害, 傷害
He injured his knee playing football. 踢足球的時候，他傷了他的膝蓋。
This could seriously injure the company’s reputation（名譽，榮譽）.
injury n. 傷害，損害；傷口
There were no injuries in the crash（墜毀）.
The players are out of the team because of injury. 這些運動員因為受傷退出了球隊。
injury [ndr] n. 受傷處
ink [k] n. 墨水, 油墨
inland [nlnd, nlnd] a. 內陸的；內地的
inn [n] n. 小旅店；小飯店
innocent [nsnt] a.無辜的, 清白的
insect [nsekt] n. 昆蟲
insert [nst] vt. 插入
insert sth in/into/between sth
They insert a tube（管子） in his mouth to help him breathe.
inside [nsad] prep.在…裡面 ad.在裡面
insist [nsst] vi. 堅持；堅決認為
The man insisted that he hadn’t stolen anything and that he (should) be set free.
insist on doing sth. 堅持做某事
inspect [nspekt] vt. 檢查；檢驗；審視
inspection n. 檢查，視察
inspector n. 檢查員，視察員
The teacher walked around inspecting their work.
inspire [nspa(r)] vt. 鼓舞； 激勵
instant [nst()nt] a. 瞬間；剎那
instantly adv. 立即地，立刻地
The show was an instant success.
instant coffee/noodles 速溶咖啡/方便麵
I will be back in an instant.
At the very instant, the door opened.
I recognized her the instant I saw her. 我一看到她就認出了她。
instead [nsted] ad. 代替, 頂替
Lee was ill, so I went instead.
He didn’t reply. Instead, he left.
instead of 代替，而不是
Now I can walk to work instead of going by car.
institute [nsttjut; (US) nsttut] n. (研究)所, 院, 學院
institution [nsttju()n; (US) nsttun] n. (慈善、宗教等性質的)公共機構； 學校
instruct [nstrkt] vt. 通知；指示；教
instruct sb to do
She arrived at 10 o’ clock as instructed.
The letter instructed him to report to headquarters（總部）immediately.
instruction n.指導，教授，命令
follow one’s instructions
carry out/ignore one’s instructs 執行/忽視某人的指導/命令
instruction [nstrk()n] n. 說明,須知;教導
instrument [nstrmnt] n. 樂器;工具,器械
insurance [nrns] n. 保險
insure [n(r)] vt. 給……保險
Have you insured the contents of your home?
intelligence [nteldns] n.智力,才智,智慧
intend [ntend] vt. 想要, 打算
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 專門為......準備/設計
The book, intended for children aged 5-7,sells well.
intention [nten()n] n. 打算,計劃,意圖
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.
interest [ntrst] n. 興趣, 趣味;利息
interest sb. 使某人感興趣
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) 常用複數形式 protect customers’ interests
a place of interest/places of interest 名勝古蹟
interesting [ntrt] a. 有趣的
international [ntnn()l] a. 國際的
internet [ntnet] n. 互聯網, 英特網
interpreter [ntprt(r)] n.翻譯
interpret v. 口譯，解釋
interpret the poem
interpret sth as sth
I didn’t know whether to interpret her silence as acceptance or refusal.
interpret for sb
interrupt [ntrpt] v. 打擾, 打斷
interval [ntv()l] n. 間歇；間隔
interview [ntvju] n.& vt.採訪,會見,面試
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. 被採訪者，被面試者
interviewer n. 採訪者，面試者
into [nt, nt] prep. 到…裡;向內；變成
introduce [ntrdjus; (US) -dus] vt. 介紹
introduction [ntrdk()n] n. 引進, 介紹
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
invent [nvent] vt. 發明, 創造
invention [nven()n] n. 發明, 創造
inventor [nvent(r)] n. 發明者, 創造者
invitation [nvte()n] n. 邀請, 請帖
invite [nvat] vt. 邀請, 招待
Ireland [alnd] * n. 愛爾蘭
Irish [ar] a. 愛爾蘭的, 愛爾蘭人的
iron [an; (US) arn] n. 鐵, 熨斗 vt. 熨燙
irrigate [rɡet] vt. 灌溉
irrigation [rɡe()n] n. 灌溉
island [alnd] n. 島
it [t] pron. 它
Italian [tljn] a. 意大利(人)的；意大利語的 n. 意大利人；意大利語
Italy [tl] * n. 意大利
its [ts] pron. 它的
itself [tself] pron.
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