I字母开头的单词或词组(第14页)：
- identical
- ideological
- idiot
- if
- ignore
- ill
- illness
- image
- imagination
- imaginative
- imagine
- imitate
- immediate
- immigrate
- impatient
- imperialism
- imply
- importance
- important
- impossible
- impress
- impressive
- imprison
- improve
- in
- inauguration
- incident
- include
- income
- increase
- independent
- incredible
- indeed
- independence
- India
- Indian
- indication
- individualism
- indoors
- industrial
- industrialize
- indispensable
- industry
- inevitable