专业英语八级

I ice iceberg icebox icebreaker icicle icing icon icy idea ideal idealism idealist idealize identical identification identify identity ideological ideology idiom idiomatic idiosyncrasy idiot idle idol idolatry idolise idyllic if ignite ignoble ignominy ignorance ignorant ignore ill illegal illegible illegitimate illicit illiteracy illiterate illness illogical illuminate illuminating illumination illusion illustrate illustration illustrative illustrator illustrious image imagery imaginable imaginary imagination imaginative imagine imbalance imbecile imbecility imbibe imbue imitate imitation immaculate immaterial immature immeasurable immediate immediately immense immerse immigrant immigrate immigration imminent immobile immoral immortal immune immunize impact impair impale impart impartial impasse impassioned impassive impatience impeach impeccable impede impediment impel impending impenetrable imperative imperceptible imperfect imperial imperialism imperialist imperil imperious impersonal impersonate impertinent impetuous impetus impinge impious implacable implant implement implicate implication implicit implore imply impolite import importance important importer impose imposing imposition impossibility impossible impostor impotence impotent impound impoverish impractical impregnable impregnate impress impression impressionable impressive imprint imprison imprisonment impromptu improper improve improvement improvise imprudent impulse impulsive impure in inability inaccessible inaction inadequacy inadequate inadvertent inappropriate inarticulate inaugural inaugurate inborn inbuilt incantation incapable incapacitate incarnate incarnation incendiary incense incensed incentive inception incessant incest inch incidence incident incidental incidentally incinerate incipient incise incisive incite inclination incline include inclusion inclusive incoherent income incoming incomparable incompatible incompetent incomplete incomprehensible inconceivable inconsistent incontrovertible inconvenience inconvenient incorporate increase increasingly incredible incredibly incredulous incriminate incubate incubation incubator inculcate incur incurable incursion indebted indecent indecision indeed indefensible indefinable indefinite indelible indemnify indemnity indent independence independent indeterminate index Indian indicate indication indicative indicator indict indifference indifferent indigenous indigestion indignant indignation indignity indigo indirect indiscreet indiscriminate indispensable indisposed indisputable indistinguishable individual individualism individuality indoctrinate indolent indoor indoors indubitable induce inducement induct induction indulgent industrial industrialise industrialist industrious industry ineffective ineffectual inefficient ineluctable inept inequality inert inertia inescapable inestimable inevitable inexact inexhaustible inexorable inexperienced inexplicable infallible infamous infancy infant infantile infantry infatuated infatuation infect infection infectious infer inference inferior infernal infertile infest infidelity infighting infiltrate infinite infinitive infinity infirm infirmary infirmity inflame inflamed inflammable inflammation inflammatory inflate inflation inflection inflexible inflict inflow influence influential influenza influx inform informal informant information informative informed informer infrared infrastructure infringe infuriate infuse ingenious ingenuous inglorious ingrained ingratiate ingratiating ingredient inhabit inhabitable inhabitant inhale inherent inherit inheritance inhibit inhuman inhumane inhumanity inimitable initial initially initiate initiative inject injection injunction injure injurious injustice ink inkling inlaid inland inlet inmate inmost inn innate inner innkeeper innocence innocent innovate innovation innumerable inoculate inoffensive inordinate input inquest inquire inquiring inquiry inquisition inquisitive insane insanity insatiable inscribe inscription insect insecticide insensibility insensitive inseparable insert inset inside insider insidious insight insignificant insincere insinuate insipid insist insistent insofar insolent insoluble insomnia insomniac insomuch inspect inspection inspector inspiration inspire inspiring install installation instalment instance instant instantaneous instantly instead instep instigate instil instinct institute institution institutional instruct instruction instructive instructor instrument instrumental insufficient insular insulate insulation insulator insult insulting insuperable insurance insure insured insurer insurgent insurmountable insurrection intact intake intangible integer integral integrate integrity intellect intellectual intelligence intelligent intelligible intense intensify intensity intensive intent intention intentional interact interaction interactive intercept intercession interchange intercom intercontinental intercourse interdependent interest interested interesting interface interfere interference interim interior interject interjection interlock interlocutor interloper interlude intermediary intermediate interment interminable intermingle intermittent intern internal international Internet interpersonal interplay interpose interpret interpretation interpreter interrogate interrupt intersect intersection intersperse interval intervene intervention interventionist interview interviewee interviewer intestinal intestine intimacy intimate into intolerable intolerant intonation intoxicant intoxicate intractable intransigent intransitive intrepid intricate intrigue intriguing intrinsic introduce introduction introductory introspection introvert intrude intruder intrusive intuition intuitive inundate invade invader invalid invalidate invaluable invariable invasion invent invention inventive inventor inventory inverse invert invest investigate investigation investigator investment investor inveterate invidious invigilate invigilator invigorate invincible inviolable invisible invitation invite inviting invocation invoice invoke involuntary involve involved invulnerable inward iodide iodine ion irascible iris Irish irk irksome iron ironic irony irradiate irrational irreconcilable irreducible irregular irrelevant irreparable irrepressible irresistible irrespective irresponsible irretrievable irreverent irreversible irrevocable irrigate irrigation irritable irritant irritate irritating irritation irruption is Islam island isle isolate isolation isotherm isotope Israel Israeli issuance issue it Italian italic itch item itemise iterate itinerant itinerary its itself ivory ivy