China opens world's longest sea bridge

China has opened the world's longest sea bridge, a 55 km structure linking Hong Kong, Zhuhai, and Macau. Supported by three cable-stayed bridges and 400,000 tons of steel, it can withstand winds up to 340 km/h. The bridge includes a 6.7 km submerged tunnel and connects 11 cities in the Greater Bay Area. Completed in nearly nine years, it cost around $20 billion.

What is the primary requirement for drivers to use the world's longest sea bridge in China?

• A special permit

• A toll fee

• A local driver's license

• A vehicle inspection

How many cable-stayed bridges support the sea bridge?

• Two

• Three

• Four

• Five

What is the length of the submerged tunnel included in the bridge?

• 5.5 kilometers

• 6.7 kilometers

• 7.9 kilometers

• 8.3 kilometers

How many cities does the bridge connect in the Greater Bay Area?

• 10

• 9

• 11

• 12

What was the approximate cost of completing the sea bridge?

• $18 billion

• $25 billion

• $15 billion

• $20 billion