Tea is a simple drink. And it is central to the lives of millions of people worldwide.

There are six major types of tea in China-green tea, black tea, Oolong tea, dark tea, white tea, and reprocessed tea, distinguished     1    (main) by different methods of production.

China,    2     (recognize) as the homeland of tea, is a leading producer and consumer, and the     3    (discover) and the usage of tea have a history of 4, 000 to 5, 000 years. Drinking tea first    4    (start) to become popular in the Tang and Song Dynasties.

The origin of tea is lost among history and legend.    5     can be roughly confirmed is that tea originated in southwest China. In Yunnan and elsewhere, some wild tea trees that     6    (be) over 1, 000 years old still exist.

Many traditional Chinese families drink tea after dinner or when     7    (greet) visitors. This is not only a     8    (health) habit but also reflects rich culture and history. Chinese people can chat with a friend or enjoy themselves for a whole afternoon     9    a pot of good tea.

It was in the Tang Dynasty that teahouses came into being, and in some big cities then, there were also tea shops,    10     stored large quantities of tea leaves and prepared tea for their customers.

Yu Rong, a Chinese artist, thinks of a new way to introduce     1     ancient story of Hua Mulan in her picture book. In the book, I Am Hua Mulan, she tells the story by     2     (combine) Chinese paper-cutting with international artistic styles. She places Shaanxi papercuts over western-style pencil sketches (素描)    3     (create) typical presentation of Chineseelements (要素), which turns out to be a     4     (success) and impressive breakthrough.

Hua Mulan,     5     story has been told by generations in China, was a fighter from the Northern Wei Dynasty (386-534). As a devoted daughter, she dressed herself as a man to serve in the army     6     place of her father. Mulan’s character, such as courage, kindness and a disinterested attitude towards fame and fortune, made     7     (she) one of the most respected historical Chinese heroines. Mulan’s story has been adapted     8     (frequent) in modern media. For example, in 1998, Disney produced a film named Mulan, which     9     (consider) a great success by critics and the public right after its release.

To better tell the story, Yu Rong takes inspiration from her several     10     (visit) to sites of ancient battles and Henan Province’s Yu Opera. After years of preparation she finally makes this extraordinary work.

The Scream was painted by Edvard Munch in 1893. What makes     1     striking is that it shows a thin figure     2     an expression of fear——the figure’s mouth is wide open and letting out a     3    (power) scream. The figure covers his or her ears and looks    4    (direct)at the viewer. This figure is     5    (set) on a bridge above a dark, stormy sea, and    6     a burning orange-red sky. In his diary, Munch talked about     7     inspired him. “I was walking down the road with two friends when the sun set; suddenly the sky turned as red as blood. I stood there     8     (shake). Then I heard the scream of nature.” Many experts say that The Scream is connected to Munch’s     9     ( mentally ) health problems,     10     caused him a lot of pain.

When Beethoven was only four, his father decided to make him a musician. Beethoven was made to practice     1     (play) different musical instruments hour after hour. Whenever he did not put his heart into his practice, his father would be strict     2     him.

    3     (fortune), the boy loved music very much and learnt so fast that he was able to go around and give     4     (concert) when he was only 11. When he was 17, he received high praise from Mozart,     5     great Austrian composer. A few years later, Beethoven went to Vienna     6     ( study) under Haydn, another great Austrian composer. Then he     7     (write) a great deal of music, even at his most difficult time. But after one illness, he suddenly found     8     (him) deaf at the age of 31.

However, this didn’t stop Beethoven. During his life, he composed about 30 pieces of music. It is     9     (amaze) that he wrote some of his best pieces after he became deaf, many of     10     are well known and loved all over the world.

What will our cities be like in 2050? How much will artificial intelligence advance? Some scientists     1     (make) different predictions recently.

Joel E.Cohen from the The Rockfeller University says    2     is likely that by 2050 the majority of the people in the world will live in urban areas, and will have a    3     (significant) higher average age than people today. Cities will be     4     only realistic solution to housing a population that will expand     5     9.7 billion by 2050.

And the technology is expected    6     (advance) rapidly. According to Bill Michell, the late director of MIT Media Lab’s Smart Cities research group, cities of the future won’t look like “some sort of science-fiction fantasy’’ or “Star Trek’’, but virtual (实质上) reality will change    7     we live. Self-driving cars will make the roads more secure, driving more efficient, and provide     8     (fast) transport.

Charles Ebinger at the Brookings Institution thinks that by 2050 we will also have a so-called “smart grid” where all of our    9     (appliance) are linked directly to energy distribution (分布) systems,     10     (allow) for real-time pricing based on supply and demand. Such a technology would greatly benefit most people and reduced the consumption (消耗) of fossil fuel energy.

Jan Tchamani, an English teacher in Birmingham, UK, suddenly developed a serious illness. She found herself out of work and     1     (stick) at home. After a while, she discovered that     2     (surf) the Internet could help her feel less lonely and bored. She could do everything online. She also joined     3     online group where she could talk about her problems and get support and advice     4     others. She realized that one of the greatest     5     (benefit) of the Internet was its ability to remove the distance     6     usually exists between people.     7     (inspire) by the people online, she started an IT club and taught some older people how to use Internet. She and her friends organise events and collect money     8     (pay) for private teachers. Jan has started taking online classes to learn more about how to use the Internet to make society     9     (good). Jan’s life has been     10     (great) improved by the Internet!

Last year when Tom graduated from school, he came to Sydney. He didn’t like to work on his father’s farm and hoped     1    (find) a job in a big city. He went from one company to     2     but no one wanted him. With little money     3    (leave), he got to the station, sad and     4     (tire). All he wanted to do was go back to his small town. It was very late at night and the station was full of people. They were waiting to buy tickets of     5     last train. He bought the last ticket, and he was very happy.

At that time, a woman with a     6    (cry) baby walked to him and asked him to sell her the ticket. He gave her the ticket because he thought they needed it more than he     7    (do). After the train left, he sat on the bench and didn’t know where to go.     8    (sudden), an old man came and said, “Young man, I have seen     9     you did to the woman. I am the     10    (own) of a big company. I need a good young man like you. Would you like to work for me?”

Robotics is a complex field. But brothers Sanjay and Arvind Seshan found an early passion for it. In 2014, they started a mission to make     1     easier for others to learn robotics by creating a website,     2     they teach people to code.

The story started when they were looking for materials for learning how to program, and they     3     (realize )that there was not really anything good online. Then they came up     4     an idea of creating a brief set of lessons from which kids and adults can     5     (easy)learn to program.

The website started with basic lessons on robotics and coding. But now the lessons can support kids who     6     (involve)with robotics for years and who want to learn something new. The brothers thought that one of the reasons why kids liked it     7     (be)that they were being taught by other kids.

The brothers understand that robotics takes     8     (patient)and lots of time. They recall a project     9     (call)Pix31 Plott3r, a robot that would print people’s pictures. It took them two years to get a fully working model, and they made six or more versions. The Seshan brothers’ advice is     10     never give up if something does not work the first time

There is a lovely panda. She lives with her parents and they live     1     happy life in the forest. One day,the panda     2       (pick) a huge pumpkin and wanted to take it home. But the pumpkin was too big for her       3    (take) it home on her own. She could do nothing but sit beside the pumpkin. She thought     4     a minute and determined to wait for someone to help.

Suddenly,she saw a bear     5    (ride) a bike towards her. She watched the bike and suddenly,she jumped and shouted     6     (happy), “I know!I have a good idea—I can roll the pumpkin. It’s just like a wheel!”Therefore, she rolled the pumpkin to     7    (she) house. When her mother saw the big pumpkin,which was     8    (big) than her little daughter, she was     9    (surprise),“Oh,my God!How can you get it home?” The little panda answered proudly,“I can’t lift it, but I can roll it.” Her mother smiled and said, “     10    a clever girl you are!”