主讲东刚，京城英语考试辅导名师，其走遍大江南北，深受学生欢迎，连续多年参加大学英语四、六级试卷的评、阅卷工作，辅导经验丰富，效果卓著。
第一讲：
1． Prefixes
1) dis- (not, the opposite of) disadvantage, dislike, disagree, disappear, disarm, disaster, disastrous *, disappoint, disable *, disability, discharge, disclose *, discount, discourage, discover, discovery, discrepancy *, disease, disguise, disgust, dishonest, dismay *, disorder, dispatch *, disperse *, displace *, disregard *, distort *, distract *
2) in- (not, in, into) inability, incorrect, incapable, inhuman, injustice, informal, inside, include, inclusive *, income, increase, increasingly, incredible, indefinite, independence, independent, indifferent, indirect, indispensable, individual, indoor, inertia *, inevitable, infamous ^, infinite, inhabit *, inhabitant, inherent *, inject *, injection, inland *, inlet *, inner, innocent, innumerable *, input, inquire, inquiry, insane *, insert, inside, insight, insist, inspect, inspiration *, inspire, install, installation, installment *, instance, instant, instinct, insulate *, intense, interior, internal, into, intrinsic, invade, invalid *, invaluable *, invariably *, invasion, invert *, investigate, invisible, involve, inward
3) im- (not, in, into) impossible, imbalance, immature, immoral, impatient, implicit *, impress, impression, import, immigrate, imprison, immerse
4)
5) ir- (not) irregular, irresponsible, irrespective *
6) un- (not) unable, uncover, undo, undoubtedly, undress ^, uneasy, unemployment *, unexpected, unfold *, unfortunately, unimportant, unlike, unload, unusual
7) non- (not) nonsmoker, nonexistence, non-cooperation, nonstop, nonmetal, nonresident, nonsense
8) mis- (wrong, wrongly) misjudge, misunderstand, mislead, misspell, misstep, misfortune, misuse
9) de- (showing the opposite, to remove, to reduce) deform, deface, demobilize, destruction, deforest, denationalize, depress, depression, devalue, decode ^, decrease, degenerate *, degrade *, descend, descendant *, descent *
10) pre- (before, in advance) prefix ^, pre-historic, precaution, precede *, preceding, preclude *, predecessor *, predict, predominant *, preface, prejudice, preliminary, premature *, premier *, premise *, premium *, preparation, prepare, prepay, preside *, president, presumably, presume *, pretext *, prevail, prevent, previous, prewar
11) ante-, (before, in advance) anteroom, ante-Christian, antemeridian, anticipate, antique
12) fore- (in advance, before, in or at the front) forehead, foreman ^, foretell ^, foresee *, forefather ^, foreleg, forerunner *, fore ^, foremost, forecast, forewarn
13) ex- (former, out, out of) ex-minister, ex-president, ex-Soviet
post- (later than, after) postgraduate, post-war, postmeridian ^, postpone, postscript ^
14) sub- (under, below, less important) sub, subject, subway, subtitle, submarine *, sub-zero, submerge, submit, subordinate *, subscribe *, subsection, subsequent, subsidiary *, subsidy *, substance, substantial, substitute, subtract, suburb
15) infra- (under) infrastructure ^, infrared ^
16) re- (again, back to a former state) react, reaction, recall, recede *, receipt, recipient *, reclaim *, recognize, recognition, record, recorder, recover, recovery, recreation, recur *, recycle *, redundant *, reflect, reflection, reflexion, reform, refrain *, refresh, refreshment *, refund *, refute *, reinforce, reject, remember, remind, removal, remove, renaissance *, renew, repay *, repeat, repeatedly, repel *, repetition, replace, replacement, reply, report, reporter, represent, representative, repression *, reproduce, respect, respond, response, responsibility, responsible, restore, resume, return, reunion *, reuse, review, revise, revive*
17) co-, col-, com-, con-, cor- (with together) co-existence, cooperate, cooperative *, co-author, coalition *, coherent *, coincide *, coincidence *, collaboration *, colleague, collide *, collision, compassion, concentric, conjoin, coordinate, correlation
18) inter- (between, among) international, interchangeable, interdependent, interpersonal, interview, interact *, interaction, intercourse *, interface ^, interfere, interference, Internet, interrupt, interval, intervene *
19) macro- (large) macroeconomics ^, macrocosm ^, macrostructure
20) micro- (extremely small) microcomputer, microeconomics ^, microscope, microphone, microsurgery
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