Imagine living on the edge of a vast desert, which is moving quietly closer to your village every day and covering your fields. The desert is on the move. This is called desertification.
Desertification occurs in regions close to an already existing desert. It generally arises from two related causes. The first is over-use of water in the area. There is not enough water in any case, and if it is not carefully used, disaster can follow. As time goes on, water shortages make farming more and more difficult. In some places, locals can remember local lakes and marshes which were once the homes for all kinds of fish and birds. They have been completely buried by the sand now. Farmers leave the land, and fields are replaced by deserts.
The second cause is misuse or over-use of the land. This means that the wrong crops are planted and need more water than is available. Ploughing large fields and removing bushes and trees means that the wind will blow away the soil. Once the soil is lost, it is hard to replace, and if there is rain, it has nowhere to go, and brings no benefit.
It is not only the farmers and villagers who suffer. Every spring, the skies over some of eastern cities, thousands of kilometers away from the deserts, can be darkened by sandstorms. Dust from deserts can have a great effect on weather systems. While desertification is perhaps being partly caused by global warming, these sandstorms can make global warming worse by adding to what is known as the greenhouse effect.
What can be done to slow down or stop the process of desertification? A great deal of work is already under way. Obviously first steps are to find new water sources. Tree planting can help, by providing barriers between desert and rich field. Some types of grass also hold the soil together, and stop the wind taking it. Without these efforts, it will be harder and harder to stop the world’s deserts in their tracks, and more and more farmers will give up and head for cities. The lesson to be learnt lies beneath the sand.
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相似题推荐
1. 保持身心健康的重要性；
2. 介绍自己的做法（身体方面：如积极锻炼，合理作息等；精神方面：保持良好的人际关系，亲近自然，多读书等）。
注意：1.词数100左右；
2.可以适当增加细节，以使行文连贯。
1. 时间管理的意义；2. 时间管理的具体做法。
注意：1. 词数100左右；
2. 可以适当增加细节，以使行文连贯。
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1. 简述学校内存在的环境问题;
2. 可以采取的措施;(至少写出两点措施或建议)
3. 提出倡议。
注意：词数 100 左右;可适当增加细节,以使行文连贯。
What Can We Do for the Environment in Our School
Hello, everyone.
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Thank you for your listening.
| 姓名 | Li Hua | 学校／年级 | No. 1 Middle School/2 |
| 电话 | 0730-82835988 | 邮箱 | 8344506@qq.com |
| 爱好 | take photos of the nature | ||
| 原因 | 1.enjoy the nature, learn more about the qualities of all kinds of animals 2.want to do something to protect the animals from danger | ||
| 想法和建议 | encourage more people to take part in the activities, advise the government to make laws and build more nature reserves | ||
| 空闲 | every Sunday | ||
2．可适当增加细节，以使行文连贯。
Dear Chairman,
I would like to join the Animal Protection Society.
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I am looking forward to hearing from you soon!
Yours sincerely,
Li Hua
To mark their hard work and contribution to wildlife protection in the reserve, last year, Shi’s 20-member team was recognized with a special award at an online award ceremony for the IUCN World Commission on Protected Areas’ International Ranger Awards.
Kathy MacKinnon, head of the commission, speaks highly of their work, saying that they are “critical to our global conservation efforts, helping to stem biodiversity loss and protect the important ecosystems that serve as natural solutions to climate change and other global challenges".
Shi realizes that through protecting endangered animals, like giant pandas and snow leopards, the rich biodiversity of the environment can also be maintained, which is a win-win situation.
After graduation from Sichuan Forestry School(now Sichuan Agricultural University) in 1992, Shi became a forest guardian at the Wolong National Nature Reserve.
Established in 1963, Wolong is the country’s earliest panda reserve. It experienced serious human-animal conflict, such as illegal logging and hunting before the 1990s. In 1978, an observation tent, claimed to be the country’s first field camp to study wild giant pandas, was built on a steep forested slope in the reserve.
In the early 1980s, the government cooperated with the World Wide Fund for Nature to establish the China Conservation and Research Center for the Giant Panda to save the endangered animal.
At the very beginning, it was really difficult for rangers. With no proper outdoor equipment, like protective jackets or sleeping bags, every time, going around the area could be a life-threatening adventure. Plastic woven bags were commonly used for warmth and as makeshift tents for emergency cases. For Shi, the real challenges are natural disasters, which cannot be predicted.
注意：1. 续写词数应为150左右;
2. 请按如下格式在答题卡上作答。
He has a vivid memory of a snowslide in June 2017 during a routine inspection. “We were about to climb over a 400-meter-long mountain pass,
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There is a lot of hard work involved in protecting wildlife, but there are also some surprises from the job.
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内容要点如下：
1. 分析家乡环境问题的原因；
2. 建设绿色家乡，建议采取什么措施（至少3点）；
3. 倡议大家行动起来。
注意：1. 写作词数80左右；
2. 家乡的名称不要出现在作文中。
Offering suggestions for environmental protection in your hometown
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