填空题 In this section, you will hear a short passage for questions 21-30; complete the notes using three words or fewer for each blank. The passage will be read only once. Remember to write the answers on the answer sheet.
When Christopher Columbus reached America, he thought he arrived in {{U}} {{U}} 1 {{/U}} {{/U}}.
The population of Native Americans in the US: {{U}} {{U}} 2 {{/U}} {{/U}}.
Regions where Indians live: {{U}} {{U}} 3 {{/U}} {{/U}}, {{U}} {{U}} 4 {{/U}} {{/U}}or cities.
Why young Indians leave their hometown: for {{U}} {{U}} 5 {{/U}} {{/U}}reasons.
Rate of unemployment in reservations: around {{U}} {{U}} 6 {{/U}} {{/U}}percent.
Jobs held by Indians: mostly {{U}} {{U}} 7 {{/U}} {{/U}}and {{U}} {{U}} 8 {{/U}} {{/U}}.
Health problem: Indians commonly leads a(an) {{U}} {{U}} 9 {{/U}} {{/U}}life than other Americans.
College education: finished by at least {{U}} {{U}} 10 {{/U}} {{/U}}of Indians over 25 years old.