China has built a high-speed passenger rail network in recent     1     (year) and will continue to expand it. By the end of 2018, China’s high-speed railway mileage (总长度)     2     (reach) 29,000 kilometres. This accounted for 2/3 of the world’s total high-speed rail tracks,     3     (make) China’s high-speed rail system become the world’s     4     (large) high-speed rail network.

China’s high-speed trains are similar     5     those of France’s TGV, German’s ICE and Japan’s Shinkansen. The fast train     6     top speed is 250-350 km/h is called CRH, China Railway High-speed.

If you want to travel around China, the high-speed trains will be your ideal choice since they are clean, comfortable     7     modern. Unlike the old trains in the past in China, nobody is allowed     8     (smoke) on high-speed trains, not even between carriages.

The seats are as good as those on the plane or even better. Most high-speed rail tickets have corresponding (对应的) seats, and only     9     small number of standing tickets are sometimes sold on limited trains. The ticket prices for China’s high-speed trains are reasonable, and people can buy tickets     10     (convenient).

Passengers now can travel from Beijing's center to Xiongan New Area within 50 minutes, thanks to the Beijing-Xiong Intercity Railway,     1     was officially put into use on Sunday, a significant step in boosting the Beijing-Tianjin-Hebei city cluster.

Construction on the    2    (north) section from Beijing West Railway Station to the Beijing Daxing International Airport started in 2018. The newly completed section from the Daxing Airport to Xiongan     3     (allow) a speed of 350 kilometers per hour.

It's reported that it takes only 19 minutes from the Daxing Airport to Xiongan Railway Station and 50 minutes from Beijing West Railway Station to Xiongan station.

    4     Xiongan aiming to become a "smart, green and residents-friendly" city that faces the future, the Xiongan Railway Station, the landmark of the area, resembles a model for such     5     future.

The 42,000 square-meter railway station     6     (shape) like a dewdrop (水滴)on a lotus leaf     7     is covered with photovoltaic materials. It's reported that the materials can generate about 5.8 million kilowatt- hours of electricity for the station,     8     (save) about 1,800 tonnes of coal.

According to    9    (official), the station is operated by a smart brain", a high-tech system that uses big data, cloud computing, artificial intelligence and the Internet of things to provide various services for visitors while guaranteeing the smooth operation of the station and reducing the energy     10     (consume) of the entire building.

【推荐3】On December 19^th,2006,a plane took off on time from the capital airport of Saudi Arabia.After about an hour’s flight,something strange happened in the plane.

The passengers     1    (enjoy)themselves when a small rat stole out from the bag of a young man,which made the young woman nearby     2    (alarm)with loud screaming.Then more and more rats came out of the bag. All the passengers became out of order,especially the women and the children.The steward(机长) managed to get in touch with     3    center on the ground.With the order from the ground,the plane     4    (succeed)landed at the nearest airport.

As soon as the plane was on the ground, all the passengers got off.Then seven specialists got on     5    (catch)these small creatures.Many     6    (mean )had been tried but     7    of them were good enough to catch the rats.

At last they tried to fill in the plane     8    carbon-dioxide(二氧化碳),    9    poisoned all the eighty rats by the poisonous gas.

It    10    (report) that the young man wanted to carry these rats to another city and sell them as pets but no one had expected that these small creatures succeed in escaping from the bag.

China will do    1     best to strengthen cooperation with the World Health Organization and offer assistance to meet the urgent needs of countries     2    (severe) hit by the novel coronavirus pneumonia(新冠肺炎) epidemic(疫情).

China has, within its ability, provided test kits for some countries,    3     (include) Pakistan and Japan, and shared with many others the     4     (approach) to prevention and treatment. The Chinese government will soon supply urgently needed medical materials to South Korea as     5     number of confirmed(确诊的) cases continues to rise in the country,     6     has the most infections outside of China. So far, more than 35，340，000 coronavirus cases     7    (report) outside of China, with South Korea, Italy, Iran and Japan being the worst-hit countries.

The epidemic has once again made it clear that nations have shared interests in the age of globalization.     8     (face) with the epidemic, all countries should help each other as passengers in the same boat, strengthen connections and build together a community with a shared future for mankind. China will not be absent     9     such efforts and is considering donating money to the WHO     10     (fight) the virus.

In the second half of the eighteenth century, there was     1    important change in society. This change    2    (call)the“Industrial Revolution”. With the Industrial Revolution, factories appeared and mass production became possible because of     3     (invent) such as the steam engine,     4    was invented by James Watt in 1769. At first the steam engine was used in mines,     5    soon it was used in factories and on the railways.

Thousands of people left the countryside    6     (work)in the city and the population of towns and cities     7    (great)increased. Factory owners became    8    (power) than land owners. From 1830    9    the early 20th century, the Industrial Revolution     10     (spread) through Europe and the US and then to other countries.

China on October 12     1     (official) announced the first group of national parks. Home to nearly 30 percent of the key wildlife species found in China, they cover     2     protected land area of 230,000 square kilometers.

The     3     (establish) of the first group of national parks is a practical move by China     4     (strengthen) its effort to promote natural ecological protection.

The Three-River-Source National Park     5     (locate) on the Qinghai-Tibet Plateau — known as the world’s “third pole”. The Giant Panda National Park protects the major habitats of 70 percent of the country’s wild giant pandas. The Hainan Rainforest National Park is home to China’s largest rainforest and the Hainan gibbon. The Wuyi Mountain National Park experimental area is the only park in China     6     is listed as a UNESCO cultural and     7     (nature) heritage site. It emphasizes sustainable development between     8     (human) and nature,     9     (reflect) China’s environmental protection principle.

Commercial activities are banned in the national parks and are all put     10     the control of the national rules for ecological protection.