For soccer fans around the world, the FIFA World Cup is a big event that can’t     1    (miss). This year, it’s being held in Qatar. At the end of March, its     2    (office) ball was announced.

Called “AI Rihla”,     3    means “the journey” in Arabic, the ball     4    (represent) the culture of Qatar. Its design has been inspired by the county’s architecture, its flag and its iconic (标志性的) boats.

To adapt to the speeds of today’s sport, the ball is designed     5    (be) high tech. The ball has first-rank shape and air retention (气密性). On the outside, it has 20 panels.     6    (follow) the laws of aerodynamics (空气动力学), the panels and surface material improve the ball’s     7    (accurate) and fight stability, noted the Qatar Tribune website.     8     account of this design, the ball is considered the fastest and most accurate ball to date.

The design of the ball also keeps sustainability (持续性) as     9     top priority because it’s the first World Cup ball made with water-based inks and glues only.

“This is a stunning, sustainable and high-quality official match ball that will be enjoyed by stars     10     well as grassroots players everywhere,” Jean-Francois Pathy, FIFA’s Director of Marketing, said in a statement.