In the 12th century, the Southern Song Dynasty moved its capital to Lin’an. Near Lin’an, on the banks of Lake Tai is the city of Suzhou. Given its location near the capital and its     1     (nature) beauty, Suzhou became a preferred place     2     (live). Thus, there were over 300 gardens     3     (build) here, and more than 60 are still in existence. Among these gardens, the Humble Administrator’s Garden (Zhuozheng Yuan) is the largest and the most famous, and water pools take up a third of its area.     4     (surround) the water pools is a luxuriant (繁茂的) group of flowers, plants, and trees, all carefully chosen according to the way their seasonal colors reflect off the sparkling water below. As is typical     5     Suzhou gardens, this garden     6     (separate) into different sections, offering     7     (vary) kinds of spaces in diverse shapes and sizes that represent different moods and feelings.

Since it is such a large garden, no simple     8     (describe) of the garden will do.     9     you have to do is walk among the water and plants, enjoy every moment,     10     find your own treasures depending on your mood that day.

Home to the headwaters of the Yangtze, Yellow, and Lancang rivers, the Sanjiangyuan area on the Qinghai-Tibet Plateau (青藏高原)     1    (know)as “China’s water tower.” It is    2    unique plateau wetland ecosystem and serves as an important ecological defense for the country.

Decades ago, serious     3     (environment) degradation (恶化) in Sanjiangyuan,     4    was caused by climate change and human activities, resulted in a large number of lakes drying out and wildlife numbers falling     5     (sharp). Great efforts have been made to turn the park     6    a symbol of the progress of China’s ecological civilization.Over the past years, the environment of the Qinghai-Tibet Plateau     7     (experience) great changes. Water conservation in the area has risen by 11 percent this year,     8     (compare) with 10 years ago. Local people enjoy the gifts given by nature, and the establishment of the national park has enabled them to become its protectors and benefit from it. Some work as tour guides, assisting     9     (visitor) from home and abroad.

Today, as people walk on the vast land of Sanjiangyuan,     10     (look) at the mountains, glaciers, and lakes, and catching sight of wild animals and birds, they cannot help but be impressed by the vastness and beauty of nature.

What defines a healthy city Is it a place with a lot of open spaces    1    people can exercise and enjoy the fresh air .A place with little or no pollution .A place in which people can     2    (free) socialize and express their ideas Perhaps, it’s all that plus more. Other considerations are the availability of health and fitness facilities, an excellent healthcare program and sincere efforts by    3    local government to actively promote health and wellness among its citizens. Of all the cities in the world, one of the top six     4     (healthy) cities is Copenhagen, Denmark.

Copenhageners love to walk. Foot traffic accounts    5    80% of all traffic in the Copenhagen city center. Those who prefer can also bike. It is estimated that more than a third of all work trips in Copenhagen    6    (carry) out on a bike. As for the climate here, the city does not have the blessing of pleasant weather all year round.    7    everything starts to freeze, it turns several city squares into huge skating fields. The frozen parts of the city also make    8    easier for residents to skate around. The city also has museums and art galleries for the kids and    9    (grown-up). It has the Royal Danish Academy of Fine Art and the Royal Library housed in a rather grand building    10    (call) the Black Diamond.