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How can I remember English roots?
English root memory of Beijing Normal University

About 90% of English words are composed of roots, prefixes and suffixes, which are difficult for students to remember. The future vocabulary of postgraduate entrance examination, TOEFL vocabulary and specialized foreign language vocabulary are also inseparable from the root. I did an experiment in which students memorized three groups of words of the same clan (that is, the same root) in 10 minutes, with about 30 words. Later, the exam results were very good, even the students with poor academic performance were poor. Band 4 vocabulary needs about 150 roots, which can be expanded to nearly 2000 words. Add 1800 words from senior high school, which can basically meet the vocabulary required by Band 4. Here, we will introduce the roots with strong word-formation ability in each unit vocabulary of Contemporary College English that we have learned. So as long as you spend 10 minutes reciting one unit of words every day, and then spend 10 minutes testing yourself, I believe your vocabulary will be different in 50 days! And you have learned a kind of ability-guessing words, which is a lot of money for your future self-study, development and further study. More importantly, the words memorized in this way are not easy to forget!

Unit 1 family recognition-draw inferences from others.

1.just=right is a positive number.

Just, fair. Deserved; Reasonable; only

A fair price/punishment A fair price/just deserved punishment

Justice: justice, integrity and justice.

Treat sb fairly.

Prove: to prove that ... is reasonable and justified; National defense [-fy verb suffix]

Nothing can justify your cheating in the exam.

Well-founded: a. It can be proved to be reasonable; Beyond reproach

Proper abortion

Defense: He is getting more and more anxious, which makes sense.

reasonable

As the goods were damaged, she felt justified in asking for a refund.

Injustice: injustice (in the negative prefix) arrogance and injustice arrogance and prejudice.

Unfair; unfair

Adjustment: Fifth, adapt to [advertising orientation+positive adjustment]

To adjust the focus of a watch/camera/to suit oneself.

Adjust a watch/focal length/adaptation ...

Adjustment: n.

Adjustable: a. adjustable

2. Symbol = mark mark

Mark: n. mark, symbol; Signboard; Signs; sign

Traffic signs, traffic lights/deaf signs, deaf language

Signal: signal; Omen [-al noun prefix]

Signature: signature [-real noun suffix]

Means dark clouds mean rain.

Meaningful: a. meaningful, meaningful and important

Meaning: meaning

Design: n.v. design, predetermined [de-emphasis]

Costume designer

Instruction, instruction; He was appointed director.

Assign, assign, assign, assign, assign someone to do something;

Homework: assigned work, homework, heavy reading homework

Assign: select, assign

Resign; resign (office/one's job/post)

3. Center/Center: Center

Center: a. Central nervous system/air conditioning central nervous system; central air-conditioning

Concentrate, concentrate

Concentrate, concentrate.

I can't concentrate on my study.

4. Letters = alphabetic text, letters

Letter: letter, letter, literature (pl. )

Literature: literature

Literal translation: literal translation

Literature: A. Literary works/literary works of critics; literary review

Educated: A: Only a large number of farmers who can read and write are literate.

Literacy: adult literacy campaign

Illiteracy; Illiterate; Illiterate; Illiterate

Semi-illiterate: semi-illiterate

Anti-illiteracy: literacy [anti = opposition]

Unit 2 Family Identity-Draw inferences from others.

1.vac, vacu = empty.

Empty, unoccupied, empty

Compare blank, empty, empty and bare: unoccupied empty rooms/posts/time; Vacancy; Free time blank: blank check blank: there is nothing in the space; Empty boxes/houses are bare: bare hills/bare mountains, with bare surfaces and nothing; baldhead

Make room, make room for a hotel room.

Vacation; Vacation; Leisure vacation; Vacation; summer vacation

Vacancy: empty space, vacancy, emptiness

Fill in the gaps in knowledge.

Vacuum: n/a/v a/v. vacuum; Vacuum; vacuum

Vacuum cleaner/packaging vacuum cleaner; vacuum packaging

2.grad, gred = step, grade, start

Grade: N/V. Grade, score; Grading, grading

Grade two/got an A in the exam.

Grade: the scale on the thermometer.

Gradually: a. gradually increase/restore on a gentle slope.

Graduation: v./n. get a degree, graduate/be allowed to graduate, improve, upgrade; University graduates, graduates, graduate students

He graduated from Oxford University. He graduated from Oxford University.

This school graduates 2000 students every year. This school has 2000 graduates every year.

Noun (abbreviation for Noun) medical graduates;

Postgraduate courses/school postgraduate courses; research institute

Graduated: a. graduated; Staged; progressive tax

Postgraduate: Postgraduate

Undergraduate course: undergraduate course

Upgrade: upgrade, promotion; upward

Degenerate: degenerate [de=down]

3. Pressure = pressure, pressure, pressure

Press, press, squeeze, attach, force. Printing and publishing; Newspapers, publishing houses and the press

Press the button/juice Press the button/juice; Foreign publications of foreign newspapers and periodicals

Urgent things/things that need to be urgent; Very need

Stress: stress, forced blood pressure/international pressure

Compression; compress

Press down, press down

Depressed; depressed

Depressing; bleaker

Depression: depression

Expression: v./a./n. expression; Stress; Express delivery; Express delivery [ex=out].

Express yourself, express yourself

(2) Express telegram/company express company/train express

(3) Expressway

Expression: n. Expression, words and expressions; express

Ordinary expression, ordinary expression, facial expression

Impression: v. seal, stamp; impress

Be stamped with stamps

He left an impression on her. He left a deep impression on her.

Impressive; Moving

Hold back: 5. Hold back books and ban books; Hold back a yawn

4.vit, viv, vig = life.

Vitamins: vitamins

This vegetable contains vitamins. This vegetable contains many vitamins.

Bright colors/girls/descriptions

Survive; Survive; Live longer than.

Survived the earthquake/outlived sb by three years.

The variant form of the same noun v.n. Arrival-Arrival Survival-Survival Revision-Revision Approval-Approved Removal-Removal.

Survival: survival [-al noun suffix]

Survivor: Survivor

Resurrection, resurrection

Revival: resurrection

Crucial: a. life; Full of energy;

Life and death; crucial

Secrecy is of paramount importance.

5. Auto = Self

Automobile: n. [auto = (self); Mobile = (mobile)] car

Automatic: a. automatic

Automatic: adv.

Automation: automation

Autobiography: n. [auto = (self); Bio= (life); Geography = (write) my life description]

autobiography

Autobiography: autobiographer

Autonomy: [autonomy = (law) own law] autonomy, autonomy, autonomy

Autonomous, autonomous

Unit 3

Family identity-draw inferences from others.

1.equ, equi = equal.

Equal; Equal; Equal.

Equal to = equivalent to;

He has no rival in music. No one can match him in music.

Verb (abbreviation of verb) In English, none of us can compare with him.

Equality: equality [ty noun suffix]

Wealth should not be equated with happiness.

Equator: equator

Equation: Equation

Equivalent; Equivalent; Equivalent.

To be equivalent to [something]/to do [something]

That is equivalent to teaching him not to interfere in my affairs.

That's equivalent to telling him not to interfere in my affairs.

be equal to

A refrigerator equivalent to a whole year's salary

A refrigerator equivalent to a year's salary

Equivalence: n. Equivalence, equivalence; Equal meaning

Ambiguous; vague; ambiguous

Example: an ambiguous answer/<;