Ⅱ. Complete the passage with proper words or the correct forms of the words in brackets.
The Pittsburgh Steelers' logo is 1. deep connected to Pittsburgh's "Steel City" roots. The team 2. start as the Pirates in 1933. In 1940, it changed its name to the Steelers to celebrate the city's steel industry*, and its first logo was 3. football-shaped sign.

In 1962, the team took a logo called "Steelmark" from a U.S. steel group. It was a circle 4. three small four-sided designs inside. The original designs were yellow, orange 5. blue, but the Steelers changed the orange one to red. They also replaced the word "Steel" on the logo with "Steelers". At first, they put the logo only on the right side of 6. they gold helmets* to test 7. it looked. That year, the Steelers had their best season ever, so they decided 8. use black helmets instead—and kept the one-sided logo. Today, they're the only NFL team with this special tradition.
Unchanged since 1962, the logo's 9. colour now stand for energy yellow, passion red, and power blue. It is not just the team, but Pittsburgh's 10. cooperate and hardworking spirit, and this connects the team to its city's history.

Ⅱ. 1. deeply 2. started 3. a 4. with 5. and 6. their 7. how 8. to use 9. colours 10. cooperation