CLEAN : China holds nordic combined test events for 2022 Winter Olympics

The video tutorial introduces the concept of 'Double', explores the idea of power, and provides an overview of national cross country skiing.

What is the main focus of the first section?

• Introduction to Double

• Mathematical Calculations

• National Cross Country Skiing

• Discussion on Power

What is being questioned in the second section?

• Mathematical Formulas

• National Cross Country Skiing

• The idea of Power

• The concept of Double

What is the duration of the second section?

• 500 milliseconds

• 1040 milliseconds

• 1690 milliseconds

• 2000 milliseconds

Which sport is highlighted in the third section?

• Soccer

• Basketball

• National Cross Country Skiing

• Tennis

Which section discusses a type of skiing?

• National Cross Country Skiing

• None of the above

• Question on Power

• Introduction to Double