In China, Tree Planting Day falls on March 12, but more often people plant trees during Qing Ming Festival in early April. Newly-planted trees can survive more     1     (easy) with a warmer climate and frequent spring rainfall at that time.

China set March 12     2     the National Tree-Planting Day in 1979     3     (honor) Sun Yat-sen, who died on March 12, 1925. Sun had called for planting trees.

Since 2013, Xi Jinping,     4     is the president of China, has joined Beijing citizens in tree planting activities for ten years in a row. President Xi called on     5     public to stick to the tradition of planting trees in spring. In 2017, he     6     (attend) a tree planting activity in Chaoyang district of Beijing and said, “Students should establish an     7     (aware) of protecting the environment and cherish the green plants”.

China has seen a     8     (remark) growth in forest resources and afforestation (造林) projects. Nationwide voluntary tree    9     (plant) campaigns in China over the past four decades have seen increased participation by members of the public and nearly 79 billion     10     (tree) have been planted. The campaign has made China the country with the largest increase in forest resources and the largest area of planted forests.

Earthquakes are quite common. In fact, thousands of earthquakes are happening almost at every moment.     1    , most of them are too weak to feel. During a big earthquake, there is often a big noise first. Then the earth shakes     2     (terrible) and many houses fall down.

As one of the most deadly     3     (nature) disasters in the world, earthquakes often result     4     many people being injured or killed. In 2008, a strong earthquake     5     (strike) China’s Sichuan Province,     6     (kill) lots of people there.

Besides the great damage and deaths     7     (cause) by the earthquake, other accidents such as fires often follow. More buildings may be damaged and more     8     (injure) may be caused. For centuries, people have been making studies of earthquakes.     9     is said that about 2,000 years ago, for example, someone invented a machine     10     could find out the direction where the earthquake waves came.

First-time visitors to Chengdu may find it to be a city with rich cultural heritage. The emblem(标志)of a gold leaf,     1     (feature)four flying birds surrounding the sun, can be seen everywhere in the city. The emblem, which represents Chengdu,     2     (choose)as the symbol of China Cultural Heritage by the State Administration of Cultural Heritage in 2005.

After the discovery of the Sanxingdui Ruins in the city of Guanghan in 1929,     3     was believed to be one of Sichuan`s most important archaeological finds, a 3,000-year-old gold-leaf sunbird was unearthed at the Jinsha Ruins in 2001. In 2018, Chengdu made the decision     4     (become)a world cultural city. In recent years, Chengdu`s efforts to globalize have accelerated,     5     a series of major international cultural and sports activities have been held, laying the foundation for it to build itself into a world-famous tourist city.

Chengdu’s     6     (attract)range from giant pandas     7     the poetic legacy of the Du Fu Thatched Cottage.     8     (hide)in thick greenery, the Temple of Marquis Wu was built as     9     memorial hall in honor of Zhuge Liang and now China’s personification of loyalty and wisdom. The city also offers a museum including a cottage modelled after the poetic descriptions of Du Fu, one of the greatest poets     10     (historic)in China, emphasizing his influence on Chinese literature.

Strange things were happening in the countryside of northeastern Hebei. For several days, the water in the village wells rose and fell, rose and fell. There were deep cracks     1     appeared in the well walls. At least one well had some smelly gas     2     (come) out of it. Chickens and even pigs were too nervous     3     ( eat), and dogs refused to go inside buildings. Mice ran out of the fields looking for places to hide, and fish jumped out of the water. At about 3:00 a.m., on 28 July 1976, bright lights were seen in the sky outside the city of Tangshan and loud noises     4     (hear). But the city’s one million people were asleep as usual that night.

At 3:42 a. m., everything began to shake. It seemed as     5     the world were coming to an end! Eleven kilometres directly below the city, one of the most deadly     6     (earthquake) of the 20th century had begun, a quake that even caused damage more than 150 kilometres away in Beijing. Nearly one third of the whole nation felt it! A huge crack, eight kilometres     7     (length) and 30 metres wide, cut across houses, roads, and waterways. Hard hills of rock became rivers of dirt. In less than one minute, a large city lay     8     ruins. Two thirds of the people who lived there were dead or     9     (injure). Thousands of children were left without parents. The number of people who were killed or     10     (bad) injured in the quake was more than 400,000.

Some theme parks not only make people feel     1     (amaze) but also are educational. Take the Polynesian Cultural Center (PCC) in Hawaii for example. It not only shows visitors the Polynesian way of life but also     2     (protect) their skills and culture for the future. Polynesia is     3     name given to the groups of small islands that are spread about the Pacific Ocean.

The     4     (villager) from many island communities come to the Polynesian island villages to show visitors their styles of dress and different customs. They are the places     5     visitors can learn how the islanders make clothes from bark (树皮) and how the islanders climb very tall trees with their bare feet.

One of the important skills for Polynesians is boat-building. It allows the islanders     6     (explore) all the islands in the Polynesian Triangle.     7     (obvious), they were sea travellers in their history moving     8     island to island. They were     9     (confidence) of finding their way by     10     (use) the smell of the wind, the movements of the fish and seaweed, and the heights and directions of the waves.

Located at the western part of Hangzhou, just under 5km away from the West Lake, Xixi National Wetland Park distinguishes itself as     1     exceptional urban place. This park is a pioneering example of how urban life combines agriculture with culture, making it a     2     (real) unique destination. Along with Xihu and Xiling famous, respectively, for their natural scenery    3     cultural heritage, Xixi National Wetland Park is one of the celebrated “Three Xi’s of Hangzhou”.

    4    (cover) a vast area, the park consists of three causeways(堤道) and features ten famous sights. Nearly 70% of the park is occupied by river ports, ponds and small lakes,     5     explains a wetland environment. These waterways cross the park, dividing it into distinct     6     (section): the east, the west, and the central part.

So far, the government     7     (establish) ecological protection zones as well as a sightseeing zone.     8     addition, visitors can explore the Wetland Science Exhibition Hall at the park’s main entrance conveniently.

The Xixi wetlands is an area of unmatched peace and quiet — filled with history and natural     9     (beautiful). The only true thing that can be said of the Xixi wetlands     10     (be) that if you haven’t seen them, you haven’t really seen Hangzhou.