大学英语四级

identical identification identify identity ignorance ignorant ignore illegal illustrate image imaginary imitate immeasurable immobile impact impermanency impermanent implement implementation implication imply import impose improper inadequacy inadequate inappropriate incentive incidence incline include incomparable incredible independently indicate indifferent indispensable individual induce inevitable infinite inflate inflation influence influential ingredient inherit initially initiate initiative injure innocent innovate innovation inquire inquiry insecure insight insist inspector inspiration inspire install installation installment instance instant institute institution instruct instruction instrument insult intake integrity intelligence intelligent intend intense intention interconnect interdependence interpret interpretation interracial interruption intervention interview invade invalid invariably invest investigate involve irrationally irregular irritate issue item