2 . It is well-known that China has made clear plans to send astronauts to land on the Moon before 2030 and is steadily _________. However, China has done many things besides that.

Many countries are interested in Mars (火星). So far, about 50 Mars missions have been _________ globally. But nearly half of them have _________ to get there. The _________ about failure went with Tianwen1, China’s first Mars exploring probe, which was launched on July 23, 2020.

After around 10 months of travelling, the craft landed _________ on the surface of the planet on May 15, 2021. The good news that we made _________ met with both relief and celebration in the country and the concern disappeared. The success marks that China has become one of the leading _________ of outer space. It also reveals that China has got breakthroughs (突破) in the development of space exploration technologies as they are all entirely developed _________.

Why can China do this without any outside help? It is the can-do spirit. The Chinese people use wisdom and courage to _________ all the difficulties. In the early 1960s, when the country __________ a poor and backward country, the government decided to __________ rocket and space technologies: With the correct direction and continuous efforts, we get to where we are today step __________ step.

On April 29, 2021, China sent Tianhe Core Module (天和核心舱) into space, __________ the construction of China’s space station. Two weeks ago, three astronauts took Shenzhou-17 to the station and began their 6 months of working and living there.

China has been devoted to the peaceful use of outer space and has made many __________ to it. In some of the space missions, China welcomes the __________ who have the same belief. Let’s expect what China will achieve in the future!

3 . British director Sam Mendes’s First World War film 1917 grossed (赚得) more than 10 million yuan ($1.43 million) when it opened on Friday, becoming the first such movie to boost the _______ of Chinese film _______ after the COVID-19 blow.

As of Monday, the movie, which won three Academy Awards— _______ , the best cinematography, visual effects and sound tracking—earlier this year, has _______ more than 38 million yuan, _______ to the box-office tracking service Beacon.

Inspired from a story that Mendes heard from his grandfather _______ his childhood, the film is about two British soldiers who are assigned to race against time and _______ a message that will stop 1,600 men from walking _______ a German trap.

The film was imported by China Film Group Corporation, released and translated by China Film Co., Ltd. and promoted by Alibaba Pictures.

On the popular review site Douban, the film has _______ a high score of 8.5 points out of 10.

Li Yan, a Beijing—based doctor, said the film ________ her of the battle against the COVID-19 pandemic when she was assigned alongside some Beijing fellow medical staff members to ________ Wuhan earlier this year.

“For us, the experience in Wuhan was ________ a war. I can relate to the protagonist in the film, ________ re-prioritizes the meaning of life after ________ near-death moments and ________ the deaths,” said Li in a downtown theatre.

4 . Space X announced a new ________ on Tuesday for a venture that will send four tourists deeper into orbit than any private citizen before them, in a mission that could take place next year and easily cost more than $100 million.

The company signed the deal with Space Adventures, which is based in Washington and ________ as an intermediary(中介)to send eight space tourists to the International Space Station, or ISS, via Russian Soyuz rockets.

The first of these was Dennis Tito, who paid $20 million for an eight-hour stay on the ISS in 2001. The last to go was Cirque du Soleil founder Guy Laliberte, in 2009.

The new tourists would be carried on Space X’s Crew Dragon ________ , which was developed to transport NASA astronauts and is ________ to make its first crewed flight in the coming months.

Space Adventures said the mission would ________ five days, flying up to four passengers into space to Earth orbit.

“This is a free-flyer mission. No visit to the ISS. It will attempt to reach two to three times higher ________ than the station,” said Eric Anderson, founder of Space Adventures.

“At an altitude of three times the ISS, the view is 10 times,” said Anderson. The ________ altitude of ISS orbit is about 400 kilometers.

Space XPresident Gwynne Shotwell said in a ________ : “This historic mission will ________   to making spaceflight possible for all people who dream of it, and we are pleased to work with the Space Adventures’ team on the mission.”

The capsule was designed to take astronauts from the surface to the ISS. With just nine square meters in volume, there are no ________ areas to sleep, wash or use the bathroom.

Asked about the ________ , Tom Shelley, president of Space Adventure, said, “It’s not cheap.”

The cost of launching a Falcon 9 rocket is $62 million, according to publicly available ________ . Then there will be the cost of building a fresh Dragon capsule. Could it ________ $100million?

“Your ________ is correct, I can’t comment specifically on the numbers, but yeah those are the cost components,” he said.

“We have a pretty good network of ________ individuals around the world, many of whom we know are interested in spaceflight.”

5 . Five years later, he quitted his job to work full-time on Khan Academy(可汗学院). The 75-person team is now based in Mountain View. The lesson style hasn't changed much, but Khan Academy now, besides science and maths, includes videos by experts in the ________ , too.

Today, Khan Academy has 15 million students in 190 countries. The You Tube channel has over 500 million________ . Khan’s ________ for the future has been supported by everyone from Bill Gates to Barack Obama.

While Khan is perhaps YouTube's biggest ________ in the field of learning, the platform is filled with instructional videos. There are video tutorials(视频教程)for changing a light bulb, assembling baby buggies, or learning the guitar.

It’s easy to see the attraction: ________ puzzling over an instruction manual(说明书)written in 15 languages, you can just watch someone ________ you.

Watching a video isn't just quicker than reading a manual—according to Khan, it's making us ________ . He argues that, by giving us a ________ level of knowledge, they help us get more out of experts.

________ , traditional educational establishments are welcoming YouTube, too. Universities around the world are ________ with video-based learning through massive open online courses, or MOOCs. While there has been some________ over whether lectures online devalue(贬……值)universities, almost everyone agrees that video tutorials have a role to ________ in teaching.

Khan believes that by teaching basic concepts ahead of classroom time, videos ________ teachers to focus on individual students. And by ________ the data Khan Academy gathers on each student—where they ________ or re-watch a video—teachers can know how much their students understand. This, says Khan, is the future of education: “empowering personalization”.

9 . Recently, an article written by China’s first ______ , Yang Liwei, describing his one day in space, aroused numerous discussions on social media platforms, with many marveling at the country’s ______ advancement in space technology.

Entitled “One Day in Space”, Yang’s article was recently included in the seventh-grade textbook in Chinese middle schools, and it was ______ on Sina Weibo on Saturday, drawing tens of thousands of views within the first few hours. Many Weibo users were astonished at Yang’s ______ . “As the first person to go into space and live through so many unknowns, he must have a great will,” said one netizen.

Yang was 38 when he became the first Chinese person to go into space on the Shenzhou V, on October 15, 2003, making China the third country—after the US and Russia—to ______ manned space capabilities.

In his article, Yang ______ several breathtaking moments when he thought he would not make it back alive. “ ______ the rocket lifted to a height about 30-40 kilometers above the ground, I felt it begin to vibrate violently, and it was extremely ______ ,” he said. Vibrations in the spacecraft below 10 Hz can damage the internal organs, and even threaten a person’s life, Yang explained.

The near-deadly moment lasted for 26 seconds. When it was finally over, Yang felt like he had been reborn. When ground control finally saw Yang blink his eyes through the surveillance camera, his colleagues ______ crying, “He’s blinking! Yang is alive!”

In the article, Yang also described “ ______ knocking sounds” from outside the craft. He still does not know where they came from. He also described what the Earth, his country, and his city looked like ______ space.” I flew over Beijing and saw the mountains in daytime and sparkling lights at night. And there live my comrades and my loved ones.”

Yang shared another interesting experience in the ______ . After several ______ from his cabin, he could not see the Great Wall, which many believed was the only man-made structure on the Earth that could be seen from space. “The Shenzhou VI and VII astronauts couldn’t see it either,” Yang wrote.

Eighteen years after his ______ trip to space, Yang said with a smile that he “envied” a lot that his fellow spacemen who now have such ______ space accommodations, which shows how China’s space programme has grown.

10 . A car killed a pedestrian(行人)in the American state of Arizona last month. It was tragic; ________ nearly 6,000 pedestrians are killed in traffic accidents in the US every year. What made this accident________ was that the pedestrian was killed by a(n) ________.

The car was being tested by Uber, which had been given government permission to use________. After the Arizona accident, Uber put the brakes on its testing and launched an investigation into what went________ and whether the accident could have been prevented.

Technology, especially artificial intelligence(AI), is rapidly moving into our everyday lives and making________ previously made by humans. On the face of it, the move towards self-driving cars makes a lot of sense. According to the World Health Organization(WHO), 1.2 million pedestrians are killed in________ accidents every year, making them the leading cause of death for people between the ages of 15 and 29. Most of these accidents are caused by________ who are distracted, make poor decisions or disobey the law. The WHO says self-driving cars could________ accidents and deaths by 75% to 90%.

________, self-driving cars still have many problems that have to be worked out. Bad weather, such as heavy rain and snow, ________ with the sensors(传感器)that control the car. There are also software problems that can make the car dangerous. Then there is the problem of________. If a child runs in front of a self-driving car, the computer has to________: should it swerve(突然转向)into that tree beside the road and risk damaging the car and endangering its occupants(乘坐者), or should it hit the child?

While self-driving cars may be the way of the future, it will probably be many years before all the problems are________. And the biggest problem will be________ people will accept a machine that has so much control that it can make life-and-death decisions.