Tourists have been warned not to take sand and seashells from beaches in Sardinia, an Italian island in the Mediterranean Sea. More than 40 people,     1     took a combined 100 kilograms of sand and shells, have been fined up to £2,575 each. The law     2     (introduce) in 2017 to ban people from taking the items as souvenirs of their trips. Experts express     3     (they) worry that it could cause beaches to become smaller.

Over the last 200 years, humans have become the dominant species on earth. As a result, the natural world     1    （suffer）greatly. Today, almost half of the planet’s land is used for agriculture and food     2     （produce）, forcing our wide spaces into dramatic retreat(消退). The global rate of extinction is     3     （high）than it’s ever been, while the climate crisis continues to speed up.

Therefore, many environmentalists are turning to “rewilding”,     4     is aimed at saving our disappearing biodiversity. So, what     5     （exact）is rewilding? In theory, the concept is simple: restore(修复)land,     6     let nature take back control. Currently, there are hundreds of rewilding projects taking place across Europe,     7     （spread）from the UK all the way down to the eastern Balkans.

For these projects to succeed, they need     8     special sort of person——highly skilled, and fiercely passionate individuals, or groups, willing to devote     9     （they）to the restoration of the wild. Because humans are responsible     10     the terrible state of the natural world, only significant human effort will make positive changes to the damage done.

In 2004, the junior high school student, now 13, launched the basketball-themed Hoops of Hope,     1     “charged” people in his neighborhood $1 for every basket he shot. Since then, thousands of youngsters have picked up on the idea and raised more than $325,000 for the cause. “It works     2     kids of my age want a chance to do something great and be part of something like this,” Gutwein told China Daily.

“I realized these kids weren’t any     3     (difference) from me, except that they were suffering     4     (terrible) and I wanted to do something to help     5     (they),” he said.

    6     the help of non-government organizations, Hoops of Hope has built a school for HIV/AIDS orphans and a medical lab in Zambia in South Africa.

Another participant, Li Yeqiao, a 15-year-old student at Beijing Bayi Middle School, told the conference how the group seeks to improve the way electronic waste     7     (deal) with, and encourages people     8     (save) water and care for animals. “We have developed 3R (Reduce, Reuse and Recycle) living habits. Our initiatives (首先行动)    9     (have) a positive impact on the local environment.” Li said.

British animal behavior expert Jane Goodall introduced the Roots & Shoots concept to China in 2000 to promote environmental and humanitarian education programs to     10     (child). There are now 300 of such groups in the country.

Following pressure from animal activist groups , Apsara, the management authority for the Angkor Archaeological Park in Siem Reap, Cambodia announced in June 2019 it would ban elephant rides in early 2020. Now the process has already begun.

An Apsara press    1     (represent) said, “The elephant is a big animal,     2     it is gentle and we don’t want to see the animals     3     (use) for tourism activities anymore. We want them to live in their    4     (nature) surroundings.”

In 2016, an elephant named Sambo died at Angkor Archaeological Park,     5     (draw) worldwide attention. Her death was blamed     6     a combination of heat stroke arid exhaustion from ferrying so many human beings around. Two years later, the World Wildlife Fund     7     (publish) an in-depth look at the dwindling populations of the Asian elephant, noting that the     8     (species) population had declined by 50% in just three generations.

The ban comes at a time when more and more travelers and tourism organizations around the world have moved to eliminate animal-related attractions. Most recently, Trip Advisor-one of the world’s biggest travel listings and booking sites--announced that     9     would not sell tickets to any sites     10     breed whales or dolphins in captivity, such as the theme park Sea World in the US.

A recent study shows that the world's coral reefs have been showing strong bleaching(漂白) due to global warming.

In the 1980s beaching     1     (be) rare, occurring about once every 25 years. Now the rate has risen to about once every five years. Environmentalists predict that by 2050 bleaching will happen     2     (annual).

Bleaching is caused when warm water breaks down the algae (海藻) inside the refs. They provide food for the corals and keep them     3     (health). When algae fall off, corals lose     4     (they) color and can die within a short period of time. Even if the water     5     (surround) the reefs gets colder again it may take years for the damaged reefs       6     (recover) completely.

Coral reefs,     7     are endangered by pollution and overfishing, are really     8     important ecosystem. They are home to 25% of all marine species and provide a habitat for countless types of fish. Reefs protect coastal regions     9     flooding and tidal waves. In addition, coral reefs are tourist     10     (attraction) that attract millions of people every year. The tourist industry around the Great Barrier Reef in Australia, for example, is worth about 5 bllion dollars a year.

Microplastics, referring to plastic fragments and particles (碎片和微粒) less than 5 millimeters in diameter (直径), have been found on Mount Qomolangma as high as 8,440 meters above sea level, just 408.86 meters below the peak of the mountain, according to a recent study published in the journal One Earth. Scientists collected snow and water samples from 19 different     1     (spot). They found microplastics in all the water samples and part of the snow samples. The most     2     (pollute) sample was from the Base Camp in Nepal,     3    most human activity on the mountain is concentrated. It had 79 particles of microplastics per liter (升) of snow.