A new group of free employees have been added to a French workforce. So far, a theme park in western France     1     (employ) six birds, more exactly six crows (乌鸦), to collect and deal with garbage-- mainly cigarette ends and other small pieces. The birds take the     2     (collect) rubbish to special bins where they can receive bird food in exchange     3     putting away the litter.

Park president Nicolas said, “The purpose of employing the crows is to educate people to take up their social     4     (responsible). Since the birds are able to do     5     people are supposed to do, we should do this by ourselves.”

Crows have long been observed for their     6     (amaze) intelligence. They are one of the     7     (smart) groups of animals on earth, with remarkable problem solving, tool making, and deductive reasoning skills.

In addition to inspiring humans to pick up trash, the clever crows     8     are currently working at the park are pretty excited to put their intelligence to work.

“It has become     9     exciting game for them,” Nicolas says. “They pick up the trash on the ground, and every day they     10     (reward) for what they have done.”

In Sarek National Park, I wake up to the sound of the wind buffeting the cloth of my tent.     1     (stand) at the edge of the mountain, I find     2     (branch) of the Rapa River flowing through the valley below. Sarek’s mountains used to     3     (cover) by vast sheets of ice. Around 9,000 years ago, this ice melted, with about 100 glaciers     4     behind. Soon after, reindeer began to arrive. Following the reindeer    5     (be) the Sami people, who made this territory their home. In 1909,     6     (keep) the land in its natural state, the government made Sarek a national park.

For hundreds of years, the Sami lived off reindeer. With reindeer    7    the move, the Sami would pick up their tents and accompany them. Today, most Sami have houses in villages near Sarek and live     8     modern life. But every spring, a small number of Sami still follow their reindeer into the valleys of Sarek,     9     they live in tents and enjoy their traditions. Nothing could be     10     (good) than breathing the fresh air and enjoying this great adventure in such a beautiful and wild place.

Do you know human-wildlife conflict?

Human-wildlife conflict, referring to direct interactions between humans and wildlife with negative outcomes, costs the     1    (globe) economy billions of dollars annually. Worse still, it     2     (threat) human lives and causes many species to die out. These conflicts     3    (large) result from humans and wildlife seeking limited resources in the same landscapes and often have many     4     (expect) consequences. As a matter of fact, both extreme climate events and climate change have the potential to influence the interactions between humans and wildlife. Serious climate events can bring about rapid changes in resource availability,     5    may drive strong responses in animals and people. The     6    (compete) between the two grows tougher as a consequence. Droughts     7     particular have caused some of the most visible conflicts. Despite the gravity of these conflicts, climate change is making human-wildlife conflict even     8    (serious). With people and wildlife sharing crowded spaces and limited resources, human-wildlife conflict is rising in frequency. Many people,     9    , still haven’t really realized how complex and severe the problem is. Therefore,     10    (protect) wildlife and humans alike, it is vital that a wide range of research and institutions should consider the role of a changing climate in shaping the complex dynamics of conflict.

Scientists have exposed that around two-fifths of the world’s plants are in danger of extinction. A top scientist studying plants, Professor Alexandre Antonelli, said, “We are living in     1     age of extinction. It’s a very     2     (worry) picture of danger and need for immediate action. We’re losing the race against time    3     species are disappearing       4     (fast) than we can find and name them. Many of them could hold important clues for solving some of the most pressing     5     (challenge) of medicine and even perhaps of the new and current diseases we are seeing today.”

There       6     (be) positive signs in the past few years. More than 4, 000 species of plants and fungi (真菌) were discovered in 2019, among     7     are possible future foods that could be a lifeline to millions of people on the earth suffering from being poor and unsafe food. Professor Antonelli stressed strongly the     8     (important) of protecting these and all plant life on the earth. He said, “We would not be able    9     (survive) without plants and fungi—all life depends     10     them. Every time we lose a species, we lose an opportunity for humankind.” Leading scientists will demand world leaders act against biodiversity loss.

Known as the “Vegas of China”, Macao, while filled with luxury and world-class entertainment, also     1     (offer) many landmarks that define the city’s unique and fascinating history. The first episode of “Landmarks of Macao” takes you to arguably Macao’s most famous landmark-the Ruins of StPaul’s,     2     both the city’s Chinese tradition and the Portuguese culture have been greatly preserved.

No trip to Macao could be complete     3     visiting the Ruins of St. Paul’s. The Ruins of St. Paul’s refer to the façade (外墙) of     4     was initially the Church of Mater Dei (圣母大教堂). First     5     (build) in 1580, the Ruins of St. Paul’s is the iconic site of Macao.     6    (Origin) made of wood, the structure     7     (burn) down in a fire during a typhoon in 1835, with only the beautiful granite (花岗岩) facade remaining and the grand stairs of 68 stone steps     8     (lead) up to it. A steel stairway allows     9     (tourist) to climb up to the top of the facade where you can enjoy a panoramic view of     10     whole city as well as the delicate stone.

    1     (locate) in the northwest of human Province, about 300 kilometers away from Changsha, the capital of human, Zhangjiajie,     2     covers a total area of 9,563 square kilometers, is a tourist city for its unique natural scenery and abundant tourism resource. Zhangjiajie was given the title of “World Geological Park” in 2004.     3     (actual), Zhangjiajie, honored as “the most fantastic mountain under heaven” and “a walking Chinese landscape painting”, is also widely praised as “     4     enlarged potted landscape” “a mini fairy land” and “maze (迷宫) of nature”,     5     (attract) growing number of tourists from home and abroad.

Since it was discovered in the 1980’s, the tourism industry     6     (become) the leading industry in Zhangjiajie, which has stimulated the     7     (develop) of other industries related to tourism. At the same time, ego-tourism has been developed rapidly in Zhangjiajie. When you come to Zhangjiajie, you can fully appreciate     8     (it) magnificent natural scenery and experience appealing folk custom as well as other thrilling tourist activities, and you will be attracted     9     what is performed by the minorities there.

It must be an exciting, joyful and     10     (forget) tour to Zhangjiajie.