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A team of farmers, university researcher...

    A team of farmers, university researchers and environmentalists is busy at work in the wetlands of eastern England. They are digging into the area’s wheat fields, looking for wet earth that could hide lost ponds underneath. It takes the group of diggers just a few hours to revive (使复活) one dying pond. It’s near Hindolveston, a thousand-year-old village close to the North Sea.

“As soon as the buried ponds get water and light, they just spring to life,” says Nick Anema, a farmer in nearby Dereham. He’s brought seven ponds on his farm back to life. “Frogs and all the insects like dragonflies can be seen here again,” he said.

But the battle for the wetlands is a struggle. While efforts to stop losses are continuing, wetlands around the world are still being filled in and covered up. Over the past three centuries, almost 90% of the world’s wetlands have disappeared. The loss rate has increased since the 1970s, with wetlands now disappearing three times faster than, the world’s forests.

Some 5,000 wetland-dependent animal species could die out because of such losses. Wetland loss can also affect human beings. Wetlands act as natural storage areas for water. Losing those areas could lead to more severe flooding in many parts of the world. And the act of removing water from wetlands can release huge amounts of carbon dioxide, a major contributor to climate change.

Human-made wetlands, however, aren’t decreasing in number. Rice fields, water reservoirs and agricultural stock ponds have all increased since the 1970s. Yet scientists are concerned about this phenomenon. “People brag (自夸) about the fact that there’s been no net loss (净损失) of wetlands. But what they’ve done is destroy natural wetlands and create artificial ones,” says Stuart Pimm, a Duke University professor. “It makes it look like you’re doing no harm when the reality is very different.”

1.What’s the team’s work in eastern England intended for?

A.Digging wet earth for research. B.Researching into an old village.

C.Bringing dying ponds back to life. D.Finding wetlands created by people.

2.What does paragraph 4 mainly talk about?

A.Various functions of wetlands. B.Serious consequences of wetland loss.

C.Wetlands’ key role in climate change. D.Wetlands’ importance to living things.

3.Which of the following reflects Stuart Purim’s opinion?

A.Artificial wetlands can’t replace natural ones.

B.Creating artificial wetlands upsets the balance of nature.

C.Keeping the total number of various kinds of wetlands is important.

D.It’s important to balance the numbers of natural wetlands and artificial ones.

4.What can be the best title for the text?

A.Seeking for More Wetlands B.Saving the World’s Wetlands

C.Causes of Wetlands’ Disappearance D.Natural Wetlands vs. Artificial Wetlands

 

1.C 2.B 3.A 4.B 【解析】 本文是一篇说明文。文章介绍湿地具有多种功能:保护生物多样性、调节径流、改善水质、调节气候以及提供食物及工业原料等,被称作“地球之肾”。然而,天然湿地面积逐年都在减少,因此,拯救湿地迫在眉睫。 1.细节理解题。根据文章第一段中的“They are digging into the area’s wheat fields,looking for wet earth that could hide lost ponds underneath. It takes the group of diggers just a few hours to revive (使复活) one dying pond. ”可知, 那群人正在努力地拯救湿地,恢复垂死的池塘的生机。故选C。 2.主旨大意题。文章第四段说到“大约5000种依赖湿地生存的动物物种可能因为湿地丧失而灭绝。湿地的丧失也会影响到人类。湿地是水的天然储存区。失去这些地区可能导致世界许多地区发生更严重的洪灾。并且从湿地中抽水的行为会释放出大量的二氧化碳,这是造成气候变化的一个主要因素”。由此可以推断,本段主要是介绍湿地丧失的严重后果。故选B。 3.推理判断题。根据文章最后一段中Stuart Pimm说的“But what they’ve done is destroy natural wetlands and create artificial ones... It makes it look like you’re doing no harm when the reality is very different.(但是他们所做的就是破坏自然湿地,创造人工湿地,它使得它看起来你没有做任何伤害时,现实是非常不同的。)”可以推断,Stuart Pimm认为人造湿地是不可能代替天然湿地的。故选A。 4.主旨大意题。通读全文尤其是根据文章前三段内容可知,本文主要是介绍湿地的重要性以及人们为了拯救湿地所作的努力等,因此B项“拯救世界湿地”为本文的最佳标题。故选B。
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