专业英语四级

icy idea ideal identical ideological idiom idiot idle idol ignorance ignore illegible illegitimate illiteracy illiterate illogical illuminate illuminating illumination illusion illustrate image imaginable imaginary imagination imaginative imagine imbalance imitate immeasurable immense imminent impact impeach imperative imperial implement implicate imply impose impossibility impractical impression impressive imprison improper improve improvement impulse inaccessible inaccurate inaugural incentive incline include inclusion inclusive incomparable inconsiderable inconsiderate inconvenience increase incurable indebted index indicate indicative indifferent indignant indispensable individual indoor indoors induce indulge industrial inert inevitable inexact inexhaustible infant infect infected infer inferior infinite inflate influence influential influenza inform informed ingenious ingredient inhale inherent inherit inhuman initiate inject injustice inlet inner innkeeper innocent innovate innumerable input inquire inscribe insecticide insensitive insider insight insincere insistent inspection inspiration install instance instant instantly instinct institutional instruct instructor instrumental insulation insult intact integral integrate intelligence intense intensify intensive intent intention intercept interchange intercom interest interfere interim intermediate interpreter intervene interviewer intestine intimate intonation intricate introduce introductory intrude invade invalid invaluable invariable invariably invasion inventive inventory invert invest investigate inviolable inviting involve involved inward ironic irritate irritation Islam isle isolate Israel Israeli issue italic item ivory