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题型:阅读理解-阅读单选 难度:0.85 引用次数:323 题号:15940162

A rare wild flower is being re-established in Devon fields thanks to some four-legged helpers. A conservation charity called Planflife has employed donkeys as “ecosystem engineers”to encourage the return of the endangered small-flowered catchfly.

The catchfly was once found all across Britain but now it only grows in small areas of Wales and the south and west of England. Experts blame its decline on modern farming practices. The flower flourished around the edges of sandy fields where farmers grew their crops, but because of weedkillers that were used to remove “unwanted” plants, and fertilisers to boost crop yields, its habitat has largely disappeared.

Plantlife teamed up with the Donkey Sanctuary, a charity that looks after donkeys in the UK and around the world. It owns several farms across Devon and the UK, where it takes care of hundreds of rescued donkeys, as well as maintaining habitats for other wildlife. More than 20, 000 seeds have been scattered on fields at the sanctuary’s main Devon farm, and it is hoped that many will grow into plants this summer. They will provide food for threatened bird species such as linnets, yellowhammers and skylarks. Plantlife then aims to get the donkeys themselves involved, testing whether catchfly seeds benefit from being trampled into the ground as the donkeys take their exercise. Many plants have seeds that must be pressed into the soil in order to germinate.

“We’re incredibly grateful to partners like the Donkey Sanctuary who are helping these fantastically rare wild flowers come back from the edge of extinction,” Cath Shellswell of Plantlife told The Guardian newspaper. “We look forward to seeing small-flowered catchfly return and we are working with the sanctuary to ensure that this tiny plant has a thriving future. ”

1. Why are donkeys employed in Devon fields?
A.To work in the fields.B.To restore the catchfly.
C.To avoid extinction.D.To raise crop yields.
2. What caused the decline of the catchfly’s population?
A.Soil loss.B.Water pollution.
C.Climate change.D.Modern agriculture.
3. How do donkeys help the catchfly come back?
A.By pressing its seeds into the soil.B.By working the land.
C.By providing nutrition for it.D.By spreading its seeds.
4. What is the best title of the passage?
A.Donkeys help fields flower again.B.Farmland becomes a natural habitat.
C.The biodiversity forms on Devon farms.D.The catchfly has a thriving future.
【知识点】 环境保护 说明文

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【推荐1】I was only five, but my memories of the serious rainstorm that hit my hometown of Jinan, Shangdong province, on the night of August 26 1987, are still vivid.

My family lived in an apartment in a row of buildings near the Xiao-qing River. Starting from Jinan, the river flows into Bohai Bay. Before the industrialization of the city started in the 1970s, the river served as a lifeline between the city and the coast, along which boats transported coal to the coast, returning with full loads (装) of sea salt. But the river started serving as a channel for industrial wastewater from the factories in the 1980s, as well as house-hold wastewater produced by the city as thousands of people came to work in the factories.

With the water becoming dark and smelly, fish and shrimps soon disappeared. My father said the river had “died”, and people might be punished for it. I had no idea what he meant. But that night I found out what the punishment was.

Flashes of lightning followed by loud thunders (雷声) broke the peace. In a minute, the rain poured down. All the houses were flooded. My mother rushed to wake me. I remember seeing the bed floating off the floor in the floodwater. My mom carried me on her back away from our home to the top of the dam walking waist-deep (齐腰深) in the water.

We were all homeless and were arranged to live in a nearby hotel. After the flood, people were worried and anxious to go home to check what the damage was. In the following twenty years, the houses were hit by similar floods several times until finally the river has been widened and cleared. Whenever I go back to my hometown, I remembered the days when I learned to live with floods.

1. What do we know about Xiao-qing River before the 1970s?
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B.It was clean and served as an important transportation line.
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①A lot of wastewater was sent into the river, making the river no longer what it was.
②They lost their homes and learned an important lesson.
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④People escaped to the top of the dam to stay safe.
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【推荐3】My Day of No Plastic

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