Balloons are very popular all over the world. People can see     1     (they) almost everywhere. It was first invented in France in the late     2     (eighteen) century. Two paper makers     3     (find) when paper bags were filled     4     hot air, they could rise. Now small balloons are made from thin materials like rubber(橡胶)     5     plastic. Balloon artists     6     (usual) twist (拧) and tie balloons into different shapes.

Balloon drops are often performed at New Year’s Eve celebrations or other important     7     (activity). Balloons can be used in medicine. Isn’t it     8     (amaze)? Some companies are busy inventing balloons that are     9     (good) for the environment than before.

Here are some interesting facts about balloons. The longest balloon chain in the world was 20,024 meters and was completed in India     10     February 9, 2011.

Do you like folding clothing? Are there pieces of unfolded clothing everywhere in your living room? Now it’s     1     (easy) than ever to make your clothing neat and organized!

Like most people, Gal Rozov hates folding clothes. But instead of saying no, he     2     (invent)a robot called FoldiMate to do the work for him.

FoldiMate is very simple     3     (use). First, put your clothing into the robot. Then tell it     4    kind of clothing you’re putting in, such as a pair of trousers or a shirt. After taking your clothing in, the machine will use its robot’s     5     (arm) to fold it.

FoldiMate can hold     6     fifteen and twenty pieces of clothing at a time. And     7     takes less than ten seconds to fold one piece. If that     8     (sound) slow, consider this: Just last year, a group of scientists made a robot that took 20 minutes to fold a towel（毛巾）.

FoldiMate is also     9     good helper in some other ways. For example, it can take the wrinkles（皱褶）out of your clothes or give them the good smell. But     10     (unlucky), FoldiMate is still up in the air. You have to wait!

China’s box office (票房) has been growing rapidly and in 2018 it became the world’s biggest. However, the way people see movies may soon change     1     (complete), as the age of VR (虚拟现实技术) movies is coming!

Some companies have realized that     2     best viewing experience will not be on the big screen. Instead, it will be on the small ones in our pockets. Thomas Tang is the CEO of a Chinese movie making company. “When you go to a movie theater, the 3D glasses may be dirty.” he says. “With VR, movies will be more exciting     3     interesting.”

In big cities like Shanghai, you can already find lots of VR experience     4     (center). People can watch VR movies or play VR games there. Online video sites are entering the age of VR, too. Youku, for example, has had     5     (it) own VR apps.

China is home to     6     /ˈnɪəli/ 900 million smartphone users. Many of them are used to     7     (watch) videos on their phones. This means it will be easy for them to accept VR movies.

As a matter     8     fact, Chinese companies are not alone in believing VR will startpulling viewers away from theaters soon. Western companies think so, too. DanielSeah, a Canadian producer, has expressed his worries. “    9     /pəˈhæps/ VR can not replace traditional movies,” he says. “But it will really cause a big change.” Seah, however, notes that the movie     10     /’ɪndəstri/ needs more great stories, and we want to see more wonderful movies.

We’ll soon be traveling around in large passenger planes made in China! The country delivered its     1     (one) homemade C919 large passenger plane to China Eastern Airlines o Dec 9, China Daily reported. The plane     2     (expect) to be put into commercial operation (商业运营) in early 2023.

The plane has been developed by the Commercial Aircraft Corporation of China (COMAC). The company said the delivery marked     3     important milestone (里程碑) in the development of China’s large aircraft industry.

For a long time, the US Boeing company and Europe’s Airbus have ruled the commercial aircraft market. So far, the C919     4     (get) 1,115 orders made from home and abroad, reported China Daily.

The C919 aircraft     5     (use) advanced design and materials. There is a new type of     6     (operate) levers (杆) and high-definition display screens in the cockpit. The middle seat is a little     7     (wide) than the seats on both sides, which will make passengers feel more comfortable. With a range of 4,075 to 5555 kilometers, the C919 is able to fly     8     any two cities in China, Qi Xuefeng, general     9     (manage) of the C919 project at the COMAC, told CGTN.

President Xi Jinping once praised the achievements in the development of the C919 large passenger airplane. He said that the plane carries “the country’s will, the nation’s dream and the people’s aspiration (期盼)” to make it     10     (possibility) for Chinese developed large passenger plane to fly in the sky.