记忆英语单词的时候,词根词缀很重要。下面小编带你看2018考研英语单词:需掌握5个反义否定前缀。

之前发过一个词缀乱序篇在这里

背单词可是一些同学的一大难题啊,记了忘,忘了背,背了又忘,真是愁人啊,今日分享一下背单词的小妙招,看懂了可以让你的词汇量翻倍哦。

在记忆和背诵考研英语单词时,我们一般**词根词缀法记忆法,这种方法科学合理,记忆牢固并且迅速,常用前缀、后缀可前往查看。词汇的前缀一般修饰或者改变单词的意思,词汇的后缀一般改变单词的词性。为了广大考生更好更快的记忆单词,对考研英语词汇常**********了汇总,希望对2018年考研的广大考生有所帮助。

词根词缀那些事儿—常用词根词缀:90个最常用的词根+138个前缀+328个后缀

前缀记忆法

2018考研英语单词:需掌握5个反义否定前缀

今天发的是一个根据含义分类的词缀有序篇,考研大战前夕,草草扫一眼,万一遇到并且能想起来就赚到了~~~

【1】 表示否定的前缀

  1. dis-表示“不,**”

  1. 网赌哪个平台安全正规 ,dis-加在名词、 形容词, 动词之前。  

disadvantage n. 不利,不利条件;


 词根                       dis

E.g. Depression is the third thing that works to my patients’
disadvantage.

前缀:

肯否、先后、方向、数字、大小、好坏、相同、程度、频度、使动

肯否

ab-                  abnormal/ abuse / abhor

anti-                antisocial / anti-aggression /antiallergic

counter-          counteract/ counterclockwise

contra-            contradiction

de-                   debase/ decay / degrade / decompose

dis-                  disapprove/ disadvantage / distrust

i(l, m, n, r) –   illegal/ impractical / invisible / irrational /
inaccurate

mis-                 misery/ misleading / misdeed / misconduct

non-                nonprofit/ noncontroversial / nonconformist

un-                  unconscious/ unknown

先后

ex-                   ex-president/ ex-wife

fore-                forecast / foresee / foretell

pre-                 prehistory/ prevent

pro-                 prospect/ propose

post-                postwar/ postgraduate

retro-               retrospect/ retrogress

澳门网上十大赌场网址 ,方向

intro-               introverted/ introspect / introduce

extra-              extraverted/ extravagant

inter-               interpersonal/ internal / interconnect

trans-               transform/ transfer / transit / transport /
transmit

数字

hemi- / semi-          hemicycle/ semiautomatic / hemisphere

mono-             monolog/ monotonous

赌博信誉平台 ,uni-                 uniform/ unique

ambi-              ambiguous

amphi-            amphibian

bi-                   bipedal/ bilingual

di-                   dioxide

tri-                   triangle/ triple

centi-               centipede/ centimeter

澳门十大赌场网上注册 ,kilo-                kilogram/ kilometer

milli-               milligram

multi-              multimedia/ multiform

正规赌博提现游戏 ,poly-               polygon/ polytechnic

co(l, m, n, r)-  collect/ cooperate / compile / consume / corrupt

大小

macro-            macroclimate/ macro-economics

micro-             microwave/ micro-economics

mini-               minimum/ miniature

好坏

bene-               benefit/ beneficent

mal-                malicious/ maltreat / malfunction

相同

homo-             homosexual/ homograph / homogeneous

sy(m, n, l)-      sympathy/ synthetic / syllable

程度

over-               overburden/ overload / overfunded

extra-              extraordinary/ extravagant

sub-                 subordinate/ subconscious

under-             underestimate/ underline

super-              superficial/ super-system

ultra-               ultraviolet

out-                 outweigh/ outgrow

频度

re-                           revive/ restore / reconsider

a(b, c, f, g, p, s, t)   abbreviate / accelerate / affiliate / aggravate
/ appoint /assimilate / attract

使动

be-           befriend/ belittle

en-           enlarge/ enable

em-          embody/ embrace


advantage 优点   disadvantage 缺点

抑郁是威胁我的病人健康的第三大杀手。

后缀

名词、动词、形容词

名词

1.人:

-an / -ian / -ant / -ent  Asian / historian / applicant / dependent /

-ee / -er / -or / ese           examinee / pioneer / collector / Chinese

-ist                                 dentist/ socialist

2.状态、性质、类属:

-al: arrival / approval / refusal

-age: leakage / shortage / shrinkage

-ance / -ence / -ancy / -ency / -cy: importance /independence / vacancy
/ frequency / accuracy

-ery: slavery / bravery /

-ion / -tion / -sion: fashion / domination /occasion

-y / -ty / -ity: entry / difficulty / visibility

-ment: punishment

-ship: leadership / scholarship

-ness: conciousness

-th: growth / depth

-ure: departure / expenditure

3.学科

-logy / -ics: ideology / archaeology / economic /politics

动词

-ate                  aggravate/ abbreviate

-en                   widen/ broaden / weaken / lengthen

-ify                  rectify/ purify / magnify / certify

-ish                  finish/ perish / abolish

-ize / -ise        homogenize/ popularize

形容词

-able / -ible: noticeable / incredible

-al: functional / natural

-ed: cultivated / talented

-ful: doubtful / peaceful

-ic: fantastic / herotic / illogical

-id: fluid / acid

-ish: selfish / womanish

-ite: definite / opposite / favorite

-less: homeless / shameless

-ous / -eous / -ious: loquacious / advantageous /vicious

-ly / -y: irony / fatherly

able能够              disable 使丧失能力

disappear. v. 消失

agree同意           disagree不同意

E.g.He saw something dark disappear behind the curtain of leaves.

2.in-加在形容词, 名词之前
incorrect(不正确的),inability(无能,无力),inaccurate (不准确的)

他看到一个黑漆漆的东西从浓密的树叶后消失了。

  1. im-加在字母 m,b,p 之前 impossible (不可能的), impolite (不礼貌的),
    impudence (厚颜无耻)

  2. il-加在以 1 开头的词前 illegal (非法的), illiterate (文盲的,
    无文化的), illogical (不合逻辑的)

  3. ir加在以 r 开头的词前 irregular (不稳定的) , irresistable
    (不可抵抗的) , irresolvable(不能分解的,不能解决的)

disconnect. v. 分离

6.un-加在名词,形容词,副词 之前 unfinished(未完成的),
undoubted(无疑的),unemployment(失 业)

E.g.You should disconnect the wireless set before you make adjustments
inside it.

  1. non-加在形容词, 名词前 non-existence (不存在), non-essential ,
    (不主要的),non-electrical(非电的)

你应先拔掉无线电插头,再做内部调整。

8.mis-加在动词、名词之 前 misunderstand (误解) , misjudge (误判),
misleading (误导), misfortune (不幸)

  1. di-,dif-, dis-:away,nega**********不

9.dis-加地动词之前 disappear(消失),disarm(解除武装), disconnect
(失去联系)

distrust. v. 不信任, 怀疑

  1. de-加在名词, 形容词之前 demobilize(遣散; 使……复员) , decolor
    (脱色, 漂白)

E.g.What he saw there left him with a profound distrust of all political
authority.

11.anti-加在名词、形容词之 前
anti-Japanese(抗日战争),anti-social(厌恶社会的,反社会的),
antidite(解毒药)

他在那儿的所见让他对一切政****生了一种深深的不信任感。

12.counter-加在名词、动词前 counterattack(反
攻,反击),counteract(抵抗,阻碍),counterrevolution(反革命)

disassemble v. 拆开

 二. 表示“前 before”的前缀

E.g.We had to completely disassemble the engine to find the problem.

1.pre:preconception(成见),pre-exsiting
(先于……而存在的),pre-selection(选举前的), preface(前 言)

我们只好把发动机全部拆开以寻找故障原因。

2.Ante:anteroom(前室,接待室),antecessor(先行者,先驱 者)

differentiate v.区分

3.Fore:forehaed(前额),foreground(前景),foreman(工头,
领班),foresee(预见,先见),foretell(预言)

E.g.A child may not differentiate between his imagination and the real
world.

4.Pro:programme (计划),prologue(序幕)

儿童可能无法将自己的幻想与真实世界区分开来。

5.Ex:ex-president(前任总统), ex-wife (前妻)

  1. il-:表示“不”

太多了也记不住,这次先分享这些吧(≧∇≦)/

illiterate n. 文盲;

ps:认真记记对分析单词和阅读时猜测单词意思都很有帮助哦

E.g.Many senior managers are technologically illiterate.

许多**经理都对技术知之甚少。

illegitimate a. 非法的

E.g.The election was di**issed as illegitimate by the opposition.

反对党以不合法为由**接受选举结果。

  1. im-,in-not,in,**********引申意义

impracticable行不通的

E.g.Such measures would be highly impracticable and almost impossible to
apply.

这样的措施非常不切实际,几乎不可能付诸实施。

invisible不可见的;

E.g.Parents fear they might overstep these invisible boundaries…

父母担心他们可能会逾越这些无形的界限。

irrational不合理的;

E.g. His behavior was becoming increasingly irrational.

他的行为变得越来越不理智了。

  1. mal- bad,badly:恶,不良

maltreat虐待;

E.g.He said that he was not tortured or maltreated during his
detention…

他说自己在押期间并未遭受拷问和虐待。

malnutrition营养不良

E.g.Infections are more likely in those suffering from malnutrition.

营养不良的人更有可能被传染。

2018考研英语单词:需掌握**********望以上的内容能够对你有所帮助。