英文单词常用词根与词缀

●英文单词常用词根与词缀

●一常用前缀

Anti- 反对

Antiaircraft, antipathy(反感)，antiwar

Bi- 二，双

Bicycle，bilingual(同两国语言的)，bimonthly

Co-(变体为col, com, con, cor等) 合一

Coexist, collaborate, concentrate, correlate

Counter- 相反

counterattack , counterclockwise(逆时针方向)，counterpart(对应的人或物)

dis-否定disappear, discount, dishonest

en-(变体为em) 使…

endanger, enlarge, empower

fore-在前forearm，forecast, foresee

in-(变体为il, im, ir) 不，非，

indirect，illegal, imbalance, irregular小的

micro- 小的，微型的microchip, microphone, microwave mis-错误misfortune, mistake, misunderstanding

multi- 多multimedia, multinational, multiply

non-非nonprescription, nonsense, nonsmoker

pre-在前precaution，predict, previous

re-返回，重复react，reply，revise

sub-次于，在下submarine, subway, subcommittee

super-在。。。之上，超越superior，supernatural, supervise trans-越过transform，transmit，transplant

uni-统一uniform，union，universe

二．常用词根

Ann (年) annual, annuity, anniversary

Auto(自己，自动) autobiography, autonomy, automobile Bene(变体为bon, 好) benefit, beneficial, bonus

dict说predict, dictation, contradict

Fid信任confident, confidence, confidential

Gen 产生gene, generation, oxygen

Leg 法律legal, legislation, illegal

三．常用后缀

-ability …性dependability, durability,

-able…的available, comfortable, suitable

-age 费用，行为，状态postage, shortage, usage

-al 有。。。性质的，行为additional, arrival, refusal

-ance 情况等appearance, performance, maintenance

-cy 性质，状态efficiency, emergency, fluency

-dom 情况，领域boredom, freedom, kingdom

-en 含。。。的，使成为golden, heighten, widen

-ence 性质，行为，状态confidence, existence, interference -ent 有。。。性质的confident, convenient, dependent

-ful 有。。。性质的，。。。的量beautiful，careful，handful -ial …的industrial，memorial，substantial

-ibility 可。。。性feasibility, flexibility, possibility

-ify(v.) 使。。化clarify, electrify, qualify

-less 无，没有，不careless, endless, hopless

-ly 像。。。的，方式，程度，每隔。。。发生的friendly，chiefly, monthly

-ment 行为，结果，手段equipment, improvement, statement

-ness 性质，状态，程度illness, kindness, madness

-ous 具有。。。特性的ambitious, cautious, dangerous

-ship 身份，状态citizenship, friendship, relationship

-sion 动作，状态comprehension, decision, revision

-ty 性质，情况，状态certainty, majority, safety

-ure 结果，动作，过程failure, pressure, procedure EXERCISE

Let’s________ the problem for the time being; we can return to it later.

A. settle

B. stop

C. interrupt

D. leave

2. He finds it difficult to ______ to the climate.

A. apply

B. account

C. avail

D. accustom

3. This is much _______ to the one I bought last week.

A. worse

B. lower

C. inferior

D. equal

4. You should not ______ too much for him.

A. expose

B. expect

C. express

D. experience

5. Why were the talks scheduled for that afternoon _______ at last minute?

A. called

B. cancelled

C. stopped

D. abandoned

6. The building ________ mostly undamaged after the earthquake, and only minor repairs were necessary.

A. recovered

B. consisted

C. lasted

D. remained

7. Kindness is the most important _______ a man can have.

A. habit

B. property

C. quality

D. effect

8. _________ one occasion he helped an old woman who was in danger ______ the risk of his life.

A. In/at

B. On/at

C. By/with

D. At/with

9. Every child in Britain is ______ to free education at school.

A. cared

B. entitled

C. liable

D. given

10. I didn’t buy the apples; she gave them to me ____ nothing.

A. as

B. for

C. in addition to

D. due to

11. He could not _______ his teacher that he was telling the

truth.

A. admit

B. trust

C. convince

D. ensure

12. The ______ earthquake left more than 3000000 people homeless.

A. violent

B. extensive

C. endless

D. furious

13. They _______ the aid of the United States but didn’t receive it.

A. asked

B. found

C. sought

D. obtained

14. Some members of the committee were opposed _____ the club member’s money to redecoration the meeting hall.

A. use

B. to using

C. to have use

D. to be used

15. Will you _______ my clothes while I go for a swim.

A. watch

B. notice

C. intend

D. attend.

16. It didn’t take the child long to ________ out the correct answer.

A. get

B. figure

C. calculate

D. seek

17. Jean _____ to own a car, but I don’t believe her.

A. confirms

B. claims

C. completes

D. convinces

18. How far was he _______ for what had happened?

A. reliable

B. respective

C. responsible

D. provided

19. George took _______ of the fine weather to do a day’s

work in his garden.

A. advantage

B. profit

C. interest

D. charge

20. The ________ of their performance was expressed in

their prolonged applause.

A. understanding

B. judgment

C. appreciation

D. determination

综合练习

1.Would you please lend me your bike? Mine is not _____.

A.good enough

B. very good enough

C. enough good

D. good one

2.Without air, the candle will ______.

A.go off

B. go through

C. go over

D. go out

3.One of the most important things is how to _______ students interests in learning English.

A. raise

B. arouse

C. rise

D. arise

4. When we faces difficulties in our English learning, we will never _________.

A. give away

B. give off

C. give in

D. give out

5. Tony as well as his brothers and sisters _____ from American.

A. is

B. are

C. have been

D. were

6. Tomorrow I’m leaving for New York and I’ll stay there for___.

A. sometimes

B. sometime

C. some times

D. some time

7. How much did you _______ on this new car ?

A．cost B. spend C. pay D. take

8. W hen the police broke into the house, they found the old man ____ dead on the floor.

A. lying

B. laid

C. LAIN

D. laying

9. I’m not good at math. This problem is quite ________ me.

A. against

B. beyond

C. over

D. above

10. _______ your coming to see me ,I would have been very lonely.

A. Owing to

B. Thanks to

C.But for

D. On account of

11. That is a hot tourist line. You should book the ticket ________.

A. in advance

B. in return

C. in turn

D. in schedule

12. We are quite ________ to our parents and our teacher.

A. respectful

B. respectable

C. respective

D. respected

13.“Shall I help you with your washing up ?”“Don’t _____ .I’ll do it later.”

A. care

B. bother

C. trouble

D. distur

14. Those who felt like ________ the story again come over and added themselves to the audience.

A. being heard

B. to be heard

C. to hear

D. hearing

15. May told me that father would _______ later this year.

A. get the hut to be repaired

B. have the hut be repaired

C. get the hut being repaired

D. have the hut repaired

16. I can hardly hear what he is saying , and ___________.

A. nor can all these people

B. so can hardly all these people

C. so can all these other people

D. nor all these other people can

17. _____ what you intended , I shouldn’t have wasted my time trying to explain matters to you.

A. Had realized I

B. Had I realized

C. Realized had I D,I had realized

18. I prefer clothes which are made out of natural materials ____ Cotton and wool.

A. as

B. just as

C. like

D. just like

19.It was his doctor who advised that he ______ a holiday away the city.

A. have

B. HAD

C. has

D. would have

20. I don’t think ________ necessary for Julie to make such a fuss about that sort of thing.

A. her

B. that

C. it

D. this

21. _______ from the hilltop , the lake scenery is beyond description.

A. Seen

B. T see

C. Seeing

D. Having seen

22.________ for your laziness, you could have finished the assignment now.

A. Had not it been

B. Had it not been

C. It were not

D. Weren’t it

23. It was _____ of you not to play the piano while I was having a sleep.

A. considerate

B. considerable

C. considered

D. considering

24. He liked the painting very much, which cost him ￥1000. However, he would gladly have paid _________ for it.

A. as much twice

B. much as twice

C. as twice much

D. twice as much

25. It was to save the child _______ he got drowned.

A. as

B. that

C. when

D. while

26.________ a certain doubt that among the students as to the necessity of the work.

A. There existed

B. It existed

C. There had

D. They had

27. Everyone can know the dictionary ______ keeps it clean; otherwise he have to pay for the damage.

A. as far as

B. so as that

C. as soon as

D. as long as

28. I regret _______ you that you are to be dismissed from next week.

A. to be informed

B. informing

C. being informed

D. to inform

29. The chair looks rather hard , but it is very comfortable to __.

A. sit on

B. sit

C. be sat on C. be sat

30. We ______ for her because she never came. A. needn’t wait

B. can’t have waited

C. mus tn’t wait

D. needn’t have waited

31. My sister is used to ______ with all the windows open.

A. sleep

B. have slept

C. slept

D. sleeping

32. His English is very good. He can speak English better than ———in his grade.

A. anyone else

B. the one

C. any one

D. other student

33. ______ is known to the world, Mark Twain is a great American writer.

A. AS

B. That

C. It

D. Which

34._______ leaves the room last should turn off the light.

A. Anyone

B. Whoever

C. The person

D. Who

35. The current situation urged that more attention _____ to problems less studied b the government.

A. paid

B. should give

C. be given

D. should pay

36. It was quite some time _______ the president manage to save the firm from near bankrupt.

A. before

B. that

C. when

D. until

37. It is necessary that a person＿＿＿exercises everyday if he wishes to be healthy.

A. dose

B. do

C. did

D. takes

38. Don’t have your children ______ for hour doing their homework in ____ dark room.

A. sit, such

B. sitting, such

C. to sit, such

D. to be sitting, so

39. Professor Smith ______ be in New York because I met him in town just now.

A. may

B. can’t

C. might not

D. may not

40. The house needs _______ , but they wait until next spring to do it.

A. painting

B. to paint

C. paint

D. be painted

41. A smart appearance makes a _____ impression at an interview.

A. favorable

B. favorite

C. favored

D. favoring

42. It is recommended that passengers _______ smoke during the flight.

A. would not

B. could not

C. need not

D. not

43. The price of beer _____ from 50 cents to $ 4 per liter during the summer season.

A. ranged

B. differed

C. separated

D. altered

44. As we all know , fresh air, nutritious food and exercise ____ to better health.

A. attribute

B. add

C. contribute

D. distribute

45. He failed in this exam, _____ proves that he wasn’t working hard enough.

A. which

B. what

C. it

D. that

46. ________ with the size of the whole earth, the highest

mountain does not seem high at all.

A. Compare

B. Compared

C. Comparing

D. While comparing

47. After the flood, the villagers are trying their best to get thing back to ______

A. usual

B. common

C. normal

D. ordinary

48. The murderer was brought in, with his hands_______ behind his back.

A. to be tied

B. tied

C. being tied

D. having tied

49. To be frank, I really prefer the former program to the

______.

A. latter

B. later

C. lately

D. late

50. We received 400 applications ______ the job.

A. on

B. for

C. in

D. of

51. This hotel _____$60 for a single room with bath.

A. costs

B. pays

C. charges

D. prices

52. _____ the content is concerned, the book is worth reading.

A. As long as

B. As good as

C. As well as

D. As far as

53. He hoped the firm would _____ him to the Paris branch

A. transfer

B. remove

C. exchange

D. transmit

54. Not only you and I but Peter, the top student in our grade, _____ not able to solve the problem

A. am

B. is

C. are

D. were

55. You should have to _____ your way of thinking to the new life style.

A. adjust

B. adapt

C. adopt D, adept

56. Only when he had done it _____ that he had made a mistake.

A. did he realize

B. he realized

C. he then realized

D. before he realize

57. The European Union countries were once worried that they would not have _____ supplies of petroleum.

A. potential

B. proficient

C. efficient

D. sufficient

58. This is _____ the first time you have been late.

A. by no means

B. by all means

C. in any case

D. in some cases

59. Not having a good command of English can be a serious

_____ preventing you from achieving your goals.

A. distress

B. fault e

C. offense

D. obstacle

60. He thinks he is superior _____ his classmates because his father is an important person

A. than

B. of

C. to

D. with

61. I left very early last night, but I wish I ______ so early.

A. didn’t leave

B. hadn’t left

C. haven’t left

D. couldn’t leave

62. North America produces a great deal more wheat____ .

A. as South America

B. than does South America

C. like South America does

D. than like South America

63. You must remember to _____ all belongs out of this office today. A. fetch B. take away C. bring D. take

64. She has got fifty dollars, but she wish to get _______.

A. one other fifty dollars

B. the same amount also

C. another fifty

D. more fifty

65. I saw _______ boys at the cinema.

A. the both

B. many a

C. both the

D. the several

66. _______ dictionary is enough for me.

A. Such one

B. One such

C. Such a one

D. One such a

67. In order to finish the task in time we must agree ______ a plan of action.

A. with

B. on

C. to

D. in

68. By this time next week, the winners ________ their awards.

A. will all receive

B. will be received

C. will have received

D. will have been receiving

69. George is delighted _______ his new sectary because she woks very hard.

A. to

B. with

C. of

D. at

70. The young man still denies _______ the fire behind the store.

A. to start

B. to starting

C. having started

D. having been

started

71. I can’t find my umbrella. I must have _____ it on the bus.

A. lost

B. forgotten

C. mislaid

D. left

72. The streets are all wet. It _____ during the night.

A. must be raining

B. must have been rain D. must have rained

73. Paul just had _______ .

A. cut his hair

B. his hair cut

C. hair cut

D. his hair cutting

74. Look _______ the different meanings of these words in a dictionary.

A. out

B. for

C. up

D. on

75. Because they usually receive the same score on examinations, there is a disagreement as to _____ is the better student.

A. who

B. which

C. whom

D. whose

76. Only after a year _______ to see the result of my experiment.

A. I began

B. I had begun

C. have I begun

D. did I begin

77. I cannot imagine a time when _______ to solve.

A. there no problem will be

B. there will be no problems

C. no problems there will be

D. no problems will be there

78. It is generally believed that teaching is _____ it is a science.

A. an art much as

B. much an art as

C. as an art much as

D. as much an art as

79. A computer can only do _____ you have instructed it to do.

A. how

B. after

C. what

D. when

80. _______ him tomorrow? It’s too late now.

A. Why not to call on

B. Why don’t call on

C. Why not calling on

D. Why not call on

81. There is a miserable news that very few people ____ the earthquake.

A. recovered

B. survived

C. existed

D. discovered

82. I asked him to ____ me a few minutes so that I could have a word with him.

A. spend

B. spare

C. save

D. share

83. ____your book, and do this work first. You may read it later.

A. Put out

B. Put away

C. Put up

D. Put on

84. Until then did I realize that their marriage had _____ because they h ad little in common.

A. put off

B. given up

C. broken down

D. called off

85. – Would you like to come to see a film with me tonight?

__ I’d love to, _______ I didn’t finish my homework yet.

A. and

B. so

C. as

D. but

86. ____ you’ve got an opportunity, you should take good advantage of it.

A. Now that

B. After

C. Although

D. As soon as

87. Many companies are seeking to exploit and develop the rich

natural _____ in western regions.

A. sources

B. resources

C. materials

D. power

88. Some local companies are making great efforts to ______ With foreign companies for a share of the market.

A. connect

B. combine

C. compete

D. compare

89. Many students will watch TV only to _____ time during the summer vocation.

A. spend

B. waste

C. enjoy

D. kill

90. We were all ____ when we heard the ____ news that the rescue team found another survivor.

A. exited ; excited

B. exciting; exciting

C. excited; exciting

D. exciting; excited

91. He has so many inventions that he is really___ Edison of ___ Japan.

A. an/the

B. an/

C. the/the

D. the/

92. ALL the things ___, his proposal is of great value than yours.

A. considered

B. considering

C. to consider

D. consider

93. Even though they _____ side by side for twenty years, the two neighbors are not on good terms.

A. have been lived

B. had been lived

C. had been living

D. have been living

94. – Does Jane still pursue her dream of becoming a movie

star?

-- I’m afraid not. She is said ____ the stage already as she got married.

A. to have left

B. to leave

C. to have been left

D. to be left

95. ____ who she was , she said she was Mr. Johnson’ friend.

A. Asking

B. Asked C To ask D. When asking

96. The number of people invited ____ fifty, but a number of them _____ absent for different reasons.

A. were/was

B. was/was

C. was/were

D. were/were

97. You ____ the difficulties after I explain the whole thing to you.

A. will be seen

B. will have seen

C. will see

D. see

98.The new policy, ____ is about the tax reduction, is to be carried out next month.

A. that

B. what

C. it

D. which

99. Not only I but also Jane and Mary _______ worn out after having one examination after another.

A. is

B. are

C. am

D. be

100. – By the way, when did you get your living room ____ ?

-- Last night.

A. to paint

B. painted

C. painting

D. to be painted 101. A survey of the opinions of students _____ that they also

admit several hours of sitting in front of the computer _____ harmful to one’s health.

A. show/are

B. shows/is

C. show/is

D. shows/are

102. Tired ____ she was , there was no hope of her being able to sleep.

A. if

B. though

C. even if

D. unless

103. By the time your plane lands tonight, I _____ at the airport for 3 hours.

A. had waited

B. have been waited

C. had been waiting

D. will have been waiting

104. The activity was delayed, ____ was exactly ___ we wanted.

A. which/what

B. which/which

C. that/what

D. that/that 105. The room is in terrible mess; it ____ cleaned.

A. can’t have been

B. shouldn’t have been

C. mustn’t have been

D. wouldn’t have been

106. _____ postgraduate, I would at least master two foreign languages.

A. Was I to become

B. Were I to become

C. Had I become

D. I should become

107. It is the third time that I ____ to the Palace Museum, and I still think it is marvelous.

A. have gone

B. go

C. have been

D. will go

108. He made the proposal that we ______ a role at the English evening.

A. have

B. had

C. will have

D. have had

109. All＿＿＿you can do to comfort her is to listen to her story patiently.

A. what

B. that

C. which

D. things

110. The manager _____ a rise in salary for ages , but nothing has happened yet.

A. is promised

B. is promising

C. has been promising

D. promised

英语词根词缀表(最全)

英语词根词缀表(最全)

英语常用词根词缀表 注：这是本人学习时总结的词根词缀表，希望对大家有帮助，谢谢大家。 1、前缀 a-①无，不，非：amoral 非道德性②[含有in，on，at，by，with，to等意义]：asleep 在熟睡中③[加强意义]：aloud 高声地 ab-离去，相反，不：absorb 吸去 ac-[含有at，to之意；或表示加强意义]：accompany 陪伴 ad-[含有at，to之意；或表示加强意义]：adventure 冒险 an-①无，不：anelectric 不起点的②[加强或引申意义]：announce 宣布 ante-前，先：反对；相反；防止：antiwar 反战的 auto-自己，自动：autobiography 自传 be-①使……；使成为……：befool 欺骗，愚弄②加以……，饰以……，用……（做某事）：becloud 遮暗，遮蔽③在：beside 在……旁边④[加强及引申意义]：befall 降临；发生 bene-善，好；benefit 恩惠，利益 bi-两，二：bicolour 两色的 by-旁，侧，非正式，副：buroad 小路 circum-周围，环绕：circumplanetary 环绕行星的 co-共同：coaction 共同行动 col-共同：collocate 并列；并置 com-①共同：combine 联合；结合②[加强或引申意义]：commix 混合 con-①共同：concolorous 同色的②[加强或引申意义]：conclude 结束，终结 contra-反对，相反：contraposition 对照；针对 cor-①共同；互相：correlation 相互关系②[加强或引申意义]：correct 纠正 counter-反对，相反：countermarch 反方向行进 de-①否定；非；相反：denationalize 非国有化②除去，取消，毁：desalt 除去盐分③离开：detrain 下火车④向下，降低，减少：depress 压低，压下⑤使成……，做成……⑥[或仅作加强意义]：design计划；设计 deca-十：decametre 10米 deci-十分之一：decimetre 1/10米，分米 demi-半：dimigod 半神半人 di-二，双：disyllable 双音节词 dia-贯通；对穿；透过；二者之间：dialogue 对话 dif-分开；否定，不：differ 不同，相异

EA常用英文单词解释

EA常用英文单词解释 EA 即Expert Advisors 的英文缩写，中文意思专家顾问，俗称智能交易系统。 1. 逻辑符号。 AND, NOT, OR. 与非或 2. MQL 4语言指令。 Array数组, Begin开始, Break中断, Continue继续, Define预定义, Downto递减循环, Else否则, End终止, Exit退出函数,

For增量循环, If条件如果, Input输入, Then于是（与if配合）, To到（与For配合）, Variable变量, While（条件循环）。界定语言指令结构的固定字也叫做关键字。 3. 内置函数。 Abs绝对值, AccName, AccountName帐户名称, Alert报警, Ceil, CloseOrder订单出场, Comment屏幕注释输出, Cos, CurTime当前时间,

DayOfWeek星期的数字, DeleteOrder删除订单, Exp, Floor, Highest最高, iADX内置指标函数, iATR内置指标函数, iBANDS内置指标函数, iCCI内置指标函数, iMA内置指标函数, iMACD内置指标函数, iMFI内置指标函数, iMOM内置指标函数, iRSI内置指标函数, iSAR内置指标函数, iSTO内置指标函数, iWPR内置指标函数,

IsDemo帐户是否模拟型, IsIndirect, LastTradeTime最后价格时间, Log, Lowest最低, Mod, ModifyOrder订单修改, MoveObject移动屏幕上的对象, NumberToStr小数变字符串, Ord, OrderValue订单数字, Pow, Print打印输出（在标签栏）PrintTrade输出订单状况, Rand, Round, ServerAddress服务器地址, SetArrow设定数组使用的箭头样式, SetObjectText设定对象上的文字, SetOrder设定订单, SetText设定文字, Sin, Sqrt, Srand, Symbol货币名字, T

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