The Hongkong-Zhuhai-Macao Bridge, the world’s longest cross-sea bridge,     1     (enter) the history of human engineering and connection as a point of pride upon its     2     (open) to traffic at 9 am on Oct.24,2018.

One day after the opening     3     (announce) at a ceremony held in Zhuhai, the bridge’s ports in three different administrative       4    (region) started serving travelers around-the-clock, opening 24 hours a day, seven days a week.       5    (ensure) faster boundary crossings for passengers, the Macao and Zhuhai ports jointly use     6     one-off immigration clearance model,     7    allows travelers to queue up only once to finish both exit and entry procedures of the two cities in about seconds.

Apart from private cars, taxis and goods vehicles, two types of public transportation – shuttle bus and cross-boundary coach-- can also run on the HZMB. The frequency of shuttle buses is about 5-10 minutes during peak hours. Booking tickets for the shuttle bus online in advance    8     (be) available since 9am on Tuesday. With the bridge now in service, the traveling time between Zhuhai and Hong Kong International Airport will be    9     (sharp) shortened from four hours to 45 minutes,     10       the time between Zhuhai and Hong Kong’s Container Terminals will be cut from 3.5 hours to 75 minutes.

Cities usually have good reason for being where they are,     1     a nearby port or river. People settle in these places because they are easy to get to and naturally suited to communications and trade. New York City, for example, is near a large harbor at the mounth of the Hudson River. Over 300 years     2     (it) population grew gradually from 800 people to 8 million. But not all cities develop     3     (slow) over a long period of time. Boom towns grow from nothing almost overnight. In 1896, Dawson, Canada, was unmapped wilderness (荒野). But gold     4     (discover) there in 1897, and two years later, it was one of the largest cities in the West, with a population of 30,000.

Dawson did not have any of the natural conveniences of cities like London or Paris. People went there for gold. They travelled over snow-covered mountains and sailed hundreds of miles up icy rivers. The path to Dawson was covered with thirty feet of wet snow     5     could fall without warning. An avalanche (雪崩) once closed the path,     6     (cause) 63 deaths. For many who made it to Dawson,     7    , the rewards were worth the difficult trip. Of the first 20,000 people who dug for gold, 4,000 got rich. About 100 of these stayed rich men for the rest of their lives.

But no matter how rich they were, Dawson was never comfortable. Necessities like food and wood were very expensive. But soon, the gold that Dawson depended on had all been found. The city was crowded with     8     (disappoint) people with no interest in settling down, and when they heard there were new gold discoveries in Alaska, they left Dawson city as quickly as they     9     (come). Today people still come and go—to see where the Canadian gold rush happened.     10     (tour) is now the chief industry of Dawson City—its present population is 762.

Located in a mountainous region of Chengde city, the Jinshanling Great Wall section is the best     1     (preserve) part of the Great Wall from the Ming Dynasty with many     2    (origin) features.

Three towers are must-sees at the Jinshanling Great Wall. Each tower contains     3    (it) own legend. The General Tower was named to commemorate Wu Guihua, a heroine     4    sacrificed herself to resist invasions     5     the north. The Black Tower and the Taochun Tower were named to commemorate two girls, Heigu and Taochun, who made great     6     (contribute) to the construction of the Great Wall.

If you go, you will find yourself experiencing     7     (total) different scenery in four seasons. In spring, apricot flowers decorate the Great Wall. In summer, the winding dragon-shaped Great Wall     8     (surround) by a sea of green plants. In autumn, the Great Wall turns into a colorful place and in winter, heavy snow covers the Great Wall,     9     (add) a sense of magnificence and solemnity.

The annual Apricot Flower Festival kicks off at the beginning of April.     10     you have time, you should witness the true beauty of the China’s landmark.

In 2014, 40.8 percent of the people in the village of Bianjiang in Guizhou Province     1     (be) struggling with poverty. The village,     2     (surround) by deep mountains, was 80 kilometers from Yanhe County. It took villagers four hours to make a round trip to buy     3     (day) necessities outside the village, given that no roads were accessible except for     4     narrow pass along the cliffs edge.

    5     poverty alleviation (扶贫) proceeds and the road system in the village improves, industries such as fish, chicken farming and growing mums have been developed. Now, a family of five can earn an average of 10,000 yuan ($1,435) a year through employment and industry bonuses. China     6     (rebuild) 108,000 schools since 2013 to improve compulsory education in poverty-stricken areas. Over 98 percent of villages have access to optical fiber communications and 4G technology.

Through the alleviation project, China, home to nearly one     7     (five) of the world’s population has     8     (complete) got rid of extreme poverty,     9     (make) an important contribution     10     the cause of global poverty alleviation.