Flying cars may soon become a     1     (real). The ride-share service Uber has asked an   expert from NASA, the American space agency,    2    (help)

Uber plans to use flying vehicles in the future to avoid traffic in and around cities. The company wants to use small,    3     (total) electric aircraft which could take    4     and land like a helicopter on top of parking garages. Uber said its flying vehicles would be much     5    (quiet), cost less to operate and produce less pollution than helicopters.

One person in San Francisco wrote on Twitter, “I used to think that flying cars was a ridiculous idea.    6     I changed my mind this morning when I sat in a heavy traffic.”     7     person added from Mumbai, India: “I’m reading about Uber     8     (hire) a NASA engineer to build flying cars, while I’m     9     (trap) in traffic. There is hope.”

The expert predicts there will be several early models of cars     10     can’t fly themselves but with human pilots within one to three years.

So far, China Eastern Airlines    1    (receive) approval(批准)fiom the Ministry oflndustry and Information Technology to offer in- flight Wi-Fi service on 21 airplanes.

The carrier becomes China's first airline company    2    （provide) Wi-Fi service for both domestic and international flights. Passengers    3    (leave) for New York, Los Angeles, San Francisco, Toronto, Beijing and Guangzhou will have access    4    me Wi-Fi service through a telecommunication satellite.

The flights will begin to provide the service in one month after operational    5    （prepare). The Wi-Fi service will be free in the 21 airplanes at the beginning,    6    a charge list is now under discussion.

The company plans to put in Wi-Fi service    7    (equip) in all airplanes by 2019-2020. Other carriers in China, such as Air China and Hainan Airlines also have been following this attempt in some oftheir flights during the past few years.

Industry experts note that    8    approval for the Wi-Fi service on 21 airplanes.is a trial for commercial in-flight Internet service operations in China. Aviation(航空)business staff say that China has the potential to become the world's     9    (large) aviation market,    10    is likely to create tens of billions of yuan in profit in the aviation Internet business.

China has once again proved its     1     (able) to change the world with the “new four great inventions”: high-speed railways, electronic payments, shared bicycles and online shopping. They’re related to China’s high-tech innovation (创新),     2     has improved the quality of people’s lives, according to a survey     3     (make) by the Belt and Road Research Institute of Beijing Foreign Studies University.

“My wallet is no longer in use. I can buy and eat whatever I want simply with a fingertip on my phone,” said     4     university student, adding that “even pancake sellers are using mobile payment”.

The bikes     5     (them) are not new, but the operating model of bike-sharing     6     (base) on satellite navigation system, mobile payment, big data and other high technologies.

China has entered a new innovative era, thanks to the large amounts of capital China has invested in     7     (encourage) innovation, said Bernhard Schwartlander, WHO Representative in China.

It is increasingly clear that China is innovating and no longer copying Western ideas. This is especially true in mobile, where China is leading     8     many ways such as…social messaging app WeChat, she said. This is partly     9     China skipped over the PC era and went directly to mobile. China has a     10     (large) mobile use than any other country in the world.

English is now the first language of about 400 million people, the mother language of 12 countries and the official language of one-fifth of the land area of the world,    1    means one    2    every seven people in the world speaks English.

More and more people have found it important    3    (learn) English well in recent years. In Italy, for example, English is a must for many technical jobs. In China, English is the    4    (important) foreign language that is learned at school.

The English language has never stopped changing. It always borrows words and phrases from other cultures to enlarge    5    (it) vocabulary.    6    (actual), modern English is quite different from what    7    (use) hundreds of years ago.

English is so widely used that it has become the standard language for    8    (communicate) internationally. About 75% of the world’s mail    9    (be) in English. About 60% of the world’s telephone calls are made in English and about 60% of the world’s radio programs are broadcast in English. What’s more, over half of the world’s books and magazines are written in English. In    10    word, English is now the world’s first language.

During the     1     (twenty) century , the temperature of the earth     2     (rise) about one degree Fahrenheit. It is a rapid increase when compared    3     other natural changes .

There is no doubt    4    the earth is becoming warmer. Scientists believe     5     is human activity that has caused this global warming. The increase in the earth's temperature is due to the    6     (burn) of fossil fuels. Some byproducts of this process     7     (call) “greenhouse” gases, the most important one of    8    is carbon dioxide. Without the “greenhouse effect”, the earth would be thirty-three degree Celsius    9     (cool) than it is. So, we need those gases. The problem begins when we add huge quantities of extra carbon dioxide into the atmosphere, causing the global temperature     10     (go) up.

Woodblock printing first appeared in the early Tang period. During the Song dynasty, the technique of block printing was very advanced. Books were     1    (beautiful) printed. Even today the books     2    (print) at the time are valuable and treasured by libraries and book collectors.

However, block printing     3    (be) not very convenient. Every two pages of a book had to be carved on a woodblock, and a big book would require many blocks. Besides, there had to be large places for storing the books.     4     (overcome) these shortcomings, Bi Sheng invented the movable type during the years between 1041 and 1048. One word was carved on one piece of clay,     5     was hardened with fire. Then clay characters were set on     6     iron plate according to the text of a book. Then ink was applied to them and     7    (sheet) of paper spread over them, and the printing was done. Bi Sheng’s invention made printing faster and     8    (easy) than before. Later, movable type of metal and wood was made and widely used.

The technique of printing was gradually known to other Asian countries and Europe. The great influence printing had     9    the advance of civilization is too clear to need any     10    (explain).

7 . Near the town of Montignac in Southern France, visitors can find some of the most beautiful cave paintings in the world-the Lascaux Cave Paintings (拉斯科洞窟壁画).

The history of these paintings is very interesting. Most caves are formed     1     nature under the ground, but some have entrances people can find. That’s just what happened one day in 1940. Four boys were taking     2     walk in the woods near Montignac. As they walked along, one of them noticed an unusual rock.    3     they got closer, they found it wasn’t a rock but an opening in the ground. This opening led to a cave, so they decided to have a look around it. The walls of the cave were     4     (cover) with ancient art. The boys didn’t know it, but the cave was the find of the century!

Over the years, many historians and artists came to study the art. They wanted to understand who painted the pictures and     5     they might mean. They soon realized some of the art indicated animals that were on Earth a long time ago. Many of the pictures also showed people     6     (follow) animals and trying to kill them for food. In the end, historians agreed that this was likely to be the art of a civilization that existed over 15,000 years ago.

By 1950, over a thousand people from all over the world were visiting the cave every day. But by 1955, the paintings were beginning to become difficult     7     (see). Many people were passing through the cave, so the paintings were losing their color.    8     (sad), people can no longer visit the cave. However, another set of cave paintings has been created. These paintings look exactly the same     9     the Lascaux Cave Paintings. People     10     (make) the paintings so that everyone can still learn about this great ancient civilization.

BEIJING, May 14 (Xinhua) — Chinese President Xi Jinping on Sunday said, “The Belt and Road Initiative (倡议)     1     (be) ‘a project of the century’ that will benefit people across the world.”

Xi made the remarks when     2     (deliver) a speech at the opening ceremony of the two-day Belt and Road Forum for International Cooperation. Named after the historic Silk Road, the Belt and Road Initiative     3     (propose) by Xi in 2013 to chart out new fields for international cooperation.

“Going through thousands of miles and years, the     4     (anciently) silk routes embody (体现) the spirit of peace and cooperation, openness and inclusiveness (包容), mutual learning     5    mutual benefit.” Xi told an audience of more than 1,500 from across the globe. “The Silk Road spirit     6     (become) a great heritage (遗产) of human civilization so far.” he said.

A total of 29 foreign     7     (head) of state and government leaders attended the forum, including Russian President Vladimir Putin. Other delegates (代表) include officials, entrepreneurs, financiers and journalists     8     over 130 countries and representatives of key international organizations. The United States sent a delegation     9     (lead) by Matt Pottinger.

By all means, the forum,     10     also features a round-table summit of global leaders on Monday, is one of the premium gatherings in today’s world.

9 . The novel behind the popular television drama In the Name of People has sold out in bookstores,     1     online and hard copies, around the nation.     2    (write) by Zhou Meisen and published in January, the 54-chapter novel     3    (focus) on Chinese politics and officialdom(官僚) in the ongoing campaign against corruption(腐败).Audiences to the television version that consists of 55 episodes, have been drawn     4    (watch) the series by the tension, drama and struggle of characters featured. Since the TV     5    (adapt) has been a slow release, many viewers have bought a copy of the     6    (origin) book to get ahead. According to Baidu Index, a majority of readers are between 25 and 39, and those       7    (age) 30 to 39 cover 51 percent of the readership. Yet those     8     haven’t got the book may find     9     difficult to buy the paper copy at present. And popularity of the book is     10     many sellers’ expectation.