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.

Chinese jump rope, also known as tiaopijin, is a children’s game resembling hopscotch (跳房子). One reason     1     its popularity is the fact that although the moves can be quite     2     (challenge), the game itself is very simple. There’s no need for players     3     (buy) expensive equipment since what they need is only a rope.

The game     4     (begin) in 7th-century China. In the 1960s, children in the West World adopted the game. The game is     5     (typical) played in a group of at least 3 players with a rope about 16 feet in     6     (long) tied into a circle. Two players face each other standing 9 feet apart, and position the rope around     7     (they) ankles so that it is tightly stretched. The third player stands between the two sides of the rope and tries to perform a series of moves without making     8     error or pausing.

There are many jump patterns, most of     9     are accompanied by a song. This is sometimes called the “first level”. The jumper tries to complete the chosen pattern. If the moves     10     (complete) successfully, then the rope is moved farther up and the series is repeated.

April 24th marked the 50th anniversary of Earth Day, the creation of     1     is considered as the beginning of the modern environmental movement by the     2     (major) of people.

Many people continue to stay at home during the recent months. As a result, people are making less pollution, and the air has become     3     (clean).

Smog stopped     4     (cover) New Delhi, one of the world’s most     5     ( pollute) cities. Nitrogen dioxide pollution in    6     northeastern of the United States     7     (drop) by 30 percent up till now. Stars seem more visible at night.

Researchers have been observing sharp drops in traditional air pollutants (污染物), such as nitrogen dioxide, smog and tiny particles. These kinds of pollutants kill up to 7 million people a year worldwide.

“Human activity usually makes it difficult for sea turtles     8     (leave) their eggs on sandy coastlines. Nesting turtles need to be undisturbed. After they come out of their eggs, baby turtles might have difficulty finding their way to the water because of bright lights. But     9     the lights mostly off and people staying at home, the sea turtle nesting     10     (seem) much better at present,” Godfrey said.

“There’s still a hope left for wildlife,” Godfrey said.

As is known, China is a great country with a time-honored history and profound culture. While     1    (mention)Chinese culture, Chinese tea culture cannot be missed. It is the culture of making tea and drinking tea in China, which is     2     (difference) from that of Europe, Britain, and Japan.

In China, drinking tea     3    (refer)as tasting tea, which not only means distinguishing the quality of tea, but also enjoying the pleasure of falling into the dream about life while drinking tea. A short retreat from a much busier life, make a cup of tea    4    taste it in a quiet place on your own, not only relieving tiredness but also refreshing     5     (you) soul heartily.

China is a country with a time-honored civilization,     6    is quite particular about ceremony and etiquette(礼节). When guests pay a visit, etiquette of making tea for guests is     7    (basic)required. When making tea, proper blending of tea    8     (leaf)is quite necessary, so that favorable flavor would be created. When drinking tea with guests, pay attentions to the tea left in     9     cup of guests and it should be refilled when the cup is half-full. If     10     (accompany)with tea dessert, candies and dishes, drinking tea would be more tasteful and joyful.