组卷网 > 知识点选题 > 人与自然
更多: | 只看新题 精选材料新、考法新、题型新的试题
解析
| 共计 2 道试题
阅读理解-阅读单选(约310词) | 较易(0.85) |
名校
文章大意:本文是一篇应用文。介绍的是一本名为The Man Who Ate his Boots的探险书,书中讲述了一次失败的探险,并在文章中列出了几项书中透露的惊人细节。

1 . The Man Who Ate his Boots is a fascinating account of expeditions that went wrong. The book examines the 19th century search for a route to Asia by way of the Northwest Passage through the Arctic Ocean. Author Anthony Brandt describes the many attempts by both land and sea that ended in failure and tragedy, including the 1845 expedition led by Sir John Franklin. Brandt shows how these brave, yet sometimes foolish, explorers could have avoided starvation, frostbite, and even death if they had copied the survival techniques of the local Inuit people. Some of the more surprising details the book reveals include:

IGLOOS The explorers, despite repeatedly watching the Inuit build igloos, insisted on using canvas tents. Tents freeze in sub-zero temperatures and give little protection to anyone inside them. If they had learned to build igloos, the explorers would have been warm even in the worst Arctic weather.

SEALSKIN If the explorers had worn sealskin and furs like the Inuit, they wouldn’t have suffered from the frostbite that was common among them, but rare among the Inuit.

DOG TEAMS Why didn’t the British use dog teams to pull their sleds? Pulling sleds themselves was a tradition among many explorers right into the early 20th century. It cost Scott and his men their lives on their return from the South Pole in 1912.

The British did get something right, however, when Captain Edward Parry grew salad vegetables in boxes on board his ship. It was known that fresh vegetables and fresh meat prevented scurvy (坏血病),although at that time the reason for this (vitamin C) had not been discovered. Parry’s men wouldn’t have been as healthy if they hadn’t eaten the salads.

1. In The Man Who Ate his Boots’ the author mainly ________.
A.introduces some foolish explorers
B.focuses on some unsuccessful expeditions
C.analyzes the Inuit people’s survival techniques
D.explores the advances in equipment used for expeditions
2. According to Anthony Brandt, what should the explorers have done?
A.They should have learned more about how seals survived in cold water.
B.They should have set up more canvas tents to keep themselves warm.
C.They should have helped the Inuit people build igloos.
D.They should have used dogs to pull the sleds for them.
3. It can be inferred from the passage that________.
A.Edward Parry found a way to prevent scurvy by accident
B.Edward Parry’s successful voyage was a rare case at that time
C.Edward Parry was the first captain that grew salad vegetables on board
D.Edward Parry’s men could have been more healthy if they took vitamin C
2023-01-12更新 | 229次组卷 | 4卷引用:上海市浦东新区南汇中学2023-2024学年高二下学期期中考试英语试题
阅读理解-阅读单选(约460词) | 适中(0.65) |
名校
文章大意:这是一篇说明文。文章主要介绍了通过在太平洋偏僻的岛屿种植椰子树以保存椰子树的基因多样性。

2 . French adventurer-scientist Roland Bourdeix has a grand vision for how to preserve a thousand or more genetic varieties of coconut trees. Imagine, as he does, turning dozens or hundreds of remote Pacific islands into coconut sanctuaries. Each island would contain just a few varieties of these trees.

But why? Are coconut trees, the source of oil and newly trendy coconut water, somehow in danger?

Not exactly. At least not for now. There are plenty of coconut palms all over the tropics, and coconut production has been slowly growing. But that masks a potential long-term problem, says Stephan Weise, Deputy Director General for Research at Bioversity International in Rome. Most coconut production comes from a small part of the coconut’s gene pool (基因库). Producers rely on a handful of high-producing varieties or hybrids (杂交品种). Those commercial varieties are slowly overwhelming (压倒)traditional varieties that people in the tropics have grown thousands of years. Those are the storehouse of the coconut’s genetic diversity: All of the colors, shapes, tastes, and survival tools that this species possesses — and may need again someday.

Conserving (保护)such diversity in agricultural crops is a familiar problem, but the situation with coconuts is a little bit different, Weise says.

First of all, scientists can’t yet preserve a particular kind of coconuts in refrigerated “gene banks,” as they do with standard seeds. They can’t dry, freeze, and preserve coconuts for decades. Instead, coconuts have to be preserved as living trees, growing outside.

This leads to the second problem. Coconut varieties growing in the open air often won’t reproduce themselves successfully. Their flowers pick up pollen (花粉)from other trees nearby, which often turn out to be commercial varieties or hybrids. And when that happens, some genes may be lost altogether.

So what’s the secret to preserving these coconuts? For starters, scientists have set up a dozen open-air coconut gene banks. They’re reproducing each variety through careful hand-pollination of the trees. But Weise says that’s expensive and labor-intensive.

This brings us back to Roland Bourdeix’s crazy-sounding idea. The key to preserving coconut biodiversity more cheaply, he thinks, is isolation. And there’s no more isolated place than a lonely Pacific island. Just convince people on one of these islands to plant coconut trees from a single variety, and the problem is practically solved. He’s found several islands where the inhabitants are willing to help turn his vision into reality. One of them is well-known already: The Tetiaroa Atoll in French Polynesia, an idyllic retreat once owned by Marlon Brando.

1. Why is it important to preserve the traditional varieties of coconut?
A.The traditional varieties are more commercial.
B.They can help explain the history of people living in the tropics.
C.They contain genetic diversity.
D.It can help the tourism on remote Pacific islands.
2. How do scientists usually conserve agricultural crops?
A.They freeze them.B.They hand-pollinate them.
C.They grow them out of labs.D.They mix them with other breeds.
3. Why are Pacific islands ideal for the conservation of coconut trees?
A.They are owned by celebrities, which can help promote public awareness of the issue.
B.They are among the most isolated places in the world.
C.The inhabitants on the islands are innocent enough to be deceived.
D.The labor on those islands is cheaper.
4. The best title for the article can be _________.
A.A Crazy Gardener
B.Remote Islands for Preserving Coconut Genes
C.Advantages of Traditional Coconut Trees
D.Loss of Coconut Genes
2022-04-23更新 | 99次组卷 | 3卷引用:上海市浦东新区进才中学2021-2022学年高一下学期4月期中阶段练习英语试卷
共计 平均难度:一般