A

    In the next three years, China plans to build 30 airports and 3, 000 km of railways. Traveling will be more convenient. And more efforts will be made to improve roads inruralareas to make it easier for farm products to reach cities and industrial products to hit rural markets. China is also actively developing high-speed mglev (磁悬浮) trains. Many new technologies 3 will be used in future projects.

B

    What's the fun of being an architect (建筑师)? For French architects Lacaton and Vassal, it's about rebuilding! The couple won the 2021 Pritzker Architecture Prize, which is regar rded as the Nobel Prize for architects. The couple always try to make an old building a more enjoyable place to live or work in. Their work is friendly to both people and the environment.

C

    China's "Sky Eye" is open to the wodd since March 3I. It can "see" objects about 13.7 billion light years away. China is giving 10% of its observation(观察) time, around 450 hours a year, to scientists from other countries.

D

    Using mobile phones while driving is dangerous. That's why the UK has introduced a new law this year. Now, making calls or sending messages while driving is not allowed. According to the new law, drivers using their phone to take a photo or play a game take the most punishment!