As awareness of the human impact on the environment     1     (increase), people are becoming more willing than ever before, to accept clean lifestyles. But some people aren’t totally sure where to begin. While large steps require planning, smaller steps can    2     (take) right away.

In many cases, your choices will depend     3    various factors: where you live, the resources available to you, your lifestyle, and others. Therefore there is probably no “one-size-fits-all” solution to going green. But there are plenty of things you can do     4     (live) a greener life, through your day-to-day     5     (activity), and most of these apply to just about anyone.

Save water. Every drop of tap water you use consumes energy. It might just be water, but a lot of fossil fuel (矿物燃料) is consumed in processing it. You can turn the tap off while       6     (brush) your teeth and collect rainwater for use in your garden.

Wear the right clothing. Your choice of clothing can make a big       7     (different) to the environment. One of       8    most heavily grown crops is cotton. Chemicals       9    are used as insecticides (杀虫剂) harm the environment, and harm people’s health. Try to find and buy clothing that uses these       10     (nature) materials. Wearing such clothing is also better for your health.

It is well-known that the Great Wall is a symbol of China and enjoys great popularity. In c. 220 B. C., under Qin Shi Huang, sections of earlier fortifications (防御工事) were joined together     1     (form) a united defence system against invasions from the north. Construction continued up to the Ming dynasty (1368-1644),     2     the Great Wall became the world’s largest military structure. Its historic and strategic importance is matched only by its architectural significance.

The Great Wall was     3     (continuous) built from the 3rd century BC to the 17th century AD on the northern border of the country as the great military defence project of successive (连续的) Chinese Empires, with a total     4     (long) of more than 20, 000 kilometers. The Great Wall begins in the east at Shanhaiguan in Hebei province and     5     (end) at Jiayuguan in Gansu province to the west. Its main body consists     6     walls, horse tracks, watch towers, and shelters on the wall, and includes fortresses (要塞) and passes along the Wall.

The Great Wall reflects conflicts and exchanges between     7     (agriculture) civilizations and nomadic (游牧的) civilizations in ancient China. It is one of the significant physical     8     (proof) of the far-sighted political strategic thinking and mighty military and national defence forces of central empires in ancient China, and is     9     outstanding example of the superb military architecture, technology and art of ancient China. It embodies incomparable significance as the national symbol for     10     (safeguard) the security of the country and its people.

Hanfu, the traditional Chinese clothing, has become increasingly popular as a symbol of Chinese culture,     1     (attract) enthusiasts (爱好者) from around the world.

Rian Neves, a 29-year-old Brazilian, is a hanfu lover. Six years ago, he traveled thousands of kilometers to China where he experienced a       2     (total) different culture, experiencing a huge culture shock (文化冲击).

To deal with his loneliness, Rian made Chinese friends     3     provided selfless support and introduced him     4     different Chinese cultures.

In 2019, Rian and his friends saw a group of youngsters dressed in hanfu in Hangzhou.     5     (impress) by hanfu, Rian developed a fascination (兴趣) for this traditional clothing. Then he moved to Xi’an,     6     starting point of the ancient Silk Road, where Rian discovered many people wearing hanfu while exploring historical sites, taking pictures, and making short videos.

Rian decided     7     (try) and experiment with making hanfu videos. He     8     (support) by his friends. He started on his first video shoot in 2022, in which he presented     9     (he) in hanfu on Chinese social media platforms, receiving words of encouragement from several Chinese     10     (viewer). Now Rian has more than 15,000 followers on Xiaohongshu, a lifestyle platform popular among young people in China.

Many young people wants     1     (become) great athletes. They exercise and lift weights in the gym. But the fact is that they don’t become stronger,     2     makes them unhappy.

Therefore, some of them are considering     3     (take) pills, which they think will help them become     4     (strong) than before. However, the truth is that these pills usually have some unintended side     5     (effect). Some of them may even affect     6     (they) liver or heart.     7     fact, some great athletes such as Griffith Joyner, died very young because they     8     (take) some pills.

For the above reasons, I suggest that young people be     9     (care) not to take pills.     10     best way to become stronger is going to a gym to work out.

The xiao, a traditional bamboo instrument, is now attracting more and more attention with     1     (it) long history and rich cultural meanings. In ancient China, bamboo was a symbol of honesty, and a spirit of trying to make progress. So, many used it to refer     2     their pursuits (追求) in poems. For example, the poet Su Shi once wrote, “Better to eat without meat than live without bamboo”, suggesting the     3     (important) of bamboo. Therefore, the xiao,     4     (make) of bamboo, was not just     5     instrument, but something the ancient literati (文人) often held in hands or put on walls to remind themselves of their pursuits.

“From the Tang Dynasty on, usually the xiao was used for the purpose of     6     (gather) the educated. It was so popular,” says Shen, a xiao player. “The instrument     7     (keep) its unique attractiveness, which paved its way     8     (become) alive again. It produces pleasant music,     9     agrees with the traditional Chinese sense of beauty — the greatest music has the faintest notes.”

In Shen’s view, compared with others, the xiao is an     10     (extreme) simple instrument.

Since it is so simple that you can hardly make any changes on it, you can only change yourself to make your music performance better and better.

Light pollution is a serious problem. This became completely obvious when the World Atlas of Artificial Night Sky Brightness, a computer-created map based on thousands of satellite (卫星) photos,     1     (publish) in 2016. The map shows how and where     2    (we) world is lit up at night. Large areas of North America, Europe, and Asia are glowing (发光) with light, while only the most remote (偏远的) places on Earth are in total darkness. Some of the most light-polluted    3     (country) in the world are Singapore, Qatar, and Kuwait.

Sky glow is the brightening of the night sky, mostly over cities, because    4    the electric lights of cars, streetlamps, offices, factories and buildings, turning night into day.

People     5     live in cities with high levels of sky glow have a hard time     6     (see) stars at night. Scientists are     7     (particular) worried about sky glow pollution as it influences their ability     8     (view) space.

According to research, more    9     80% of the world’s population, and 99% of Americans and Europeans, live under sky glow. It sounds pretty, but sky glow    10    (cause) by human activities is one of the most common forms of light pollution.