2023版新教材高考英语一轮总复习Unit3SeaExploration单元主题训练新人教版选择性必修第四册.docx
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1、UNIT 3单元主题训练I .阅读理解ACoral reefs (珊瑚礁)are an integral part of sea life and sustain it by providing shelter and habitat to various organisms. They also supply and recycle nutrients as well as enable a growing fish population, along with other species, for a healthy and diverse ecosystem. However, the
2、rise in average water temperatures due to climate change has resulted in more frequent and long-time coral bleaching (珊瑚白化)” events that damage their health, causing fish and other sea species to abandon them.In order to restore this delicate ecosystem, scientists from the UK and Australia conducted
3、 a study that involved using loudspeakers underwater near damaged coral reefs to make them sound healthy and attract fish, potentially kick-starting the natural recovery process of coral reefs and their dependent life forms. The location for this experiment was the Great Barrier Reef in the Coral Se
4、a, found alongside the east coast of Queensland, Australia. The site is noted to have the largest coral reef system in the world.uHealthy coral reefs are remarkably noisy places 一 the crackle of snapping shrimp and the whoops and grunts of fish. Young fish concentrate on these sounds when they,re lo
5、oking for a place to settle,n said Steve Simpson, study co-author and a professor at the University of Exeter, UK.By using loudspeakers to copy such sounds, parts of dead coral reefs were found to attract twice as many fish, compared to places where no sounds were played. These returning fish are cr
6、ucial for coral reefs to function as healthy ecosystems. Boosting fish population in this way could help to kick-start natural recovery processes, preventing the damage we re seeing on many coral reefs around the world, “ said lead author, Tim Gordon.语篇解读:由于海水温度的上升,深海珊瑚的生态遭到破坏。科学家通过实验研究发现, 在珊瑚礁旁边放置扬
7、声器以吸引海洋生物对于恢复珊瑚的生态卓有成效。1. What causes the phenomenon of coral bleaching?A. Diverse species.B. Noise pollution.C. Fishing industry.D. Climbing temperatures.解析:选D细节理解题。根据第一段第三句可知,是气候变化所引起的海水温度的上 升导致了这种白化现象。2. What approach is introduced to recover the coral reefs?A. Removing damaged coral reefs.B. Usi
8、ng loudspeakers to keep fish away.C. Building new homes for sea species.D. Playing certain sounds to attract fish.解析:选D细节理解题。根据第二段第一句可知,为恢复珊瑚生态,科学家在遭破坏 的珊瑚附近放置扬声器,以吸引鱼类。即通过播放声音来吸引鱼类。3. Why are Steve Simpson,s words quoted?A. To provide some findings of the study.B. To show the progress of the experi
9、ment.C. To explain reasons for the new approach.D. To give another solution to the problem.解析:选C细节理解题。根据前两段内容可知,鱼儿会离开不健康的、遭到破坏的珊 瑚。为了吸引鱼类,科学家们在这些珊瑚附近放置扬声器。再结合第三段第一句可知,健康 的珊瑚礁是非常热闹的地方,各种海洋生物很多。由此可推知,此处引用这位教授的话是为 了解释在受损珊瑚礁旁边放置扬声器这一新方法的原因。4. What can we infer from the last paragraph?A. The attempts are
10、 in vain.B. Natural recovery is impossible.C. Initial success has been achieved.D. The coral reefs have returned to normal.解析:选C推理判断题。根据最后一段第一句可知,通过用扬声器复制一些声音,部 分死亡的珊瑚礁吸引了更多的鱼类,由此可推知,珊瑚生态保护已经初见成效。BIt seems we can,t get off the planet fast enough. Two thirds of NASAs money is spent on manned space ex
11、ploration, and that number will grow with the USA,s decision to send a man to Mars in 2037. Weve seen all there is to see on Earth, right? Wrong. The final place is here, under the surface of the sea.Heading down into the ocean, human limits are quickly reached. At 200 metres, the water is as black
12、as a moonless night. Most nuclear submarines (核潜艇)would implode (内爆)before they reach 1 km down. At 3 km 一 still less than the average depth of the ocean there,s a good chance that youll discover a new species.The deepest-diving whales go no further.At the very bottom, about 11 km down, lies the Cha
13、llenger Deep, the deepest part of the Mariana Trench in the Pacific Ocean. Eighteen humans have walked on the Moon, but only three have seen the Deep with their own eyes.Yet things live down there. Big things. A very loud sound was once heard and scientists suggested that it was produced by an anima
14、l bigger than a blue whale, the largest creature known on the planet.In the late 1990s, a deep-water submarine was dropped in the Southern Ocean, and passing 4, 000 metres, it discovered something huge passing under it. Surprised? Don,t be.The ocean covers 70% of the planet,s surface and weve studie
15、d less than 5% of it. We know more about the dark side of the Moon than about the bottom of the sea.One reason that we explore space is to find evidence of other life forms. The search for life outside of Earth is important, but robots can look under the dry rocks of Mars better than humans. They,re
16、 absolutely important for doing ocean research too, but they cant look under the sea. The cost of exploration is rising, but the results would benefit all our lives. Understanding the oceans will help us find new sources of food, drugs and energy.Perhaps now its time to begin a new period of sea exp
17、loration. Manned exploration of space is science fiction (.I幻、说). The adventure of the deep sea is science fact.语篇解读:本文是一篇议论文。作者在文中讨论了进行海洋探索的重大意义。5. What do the examples in Paragraph 2 suggest?A. Sea exploration is no easy task.B. Nuclear submarines need to be improved.C. The ocean is far deeper tha
18、n people expected.D. The condition under the sea is similar to that on the Moon.解析:选A推理判断题。第二段列举各个深度海洋的情况是为了说明海洋探索不是一 件容易的事。6. What do we know about the Challenger Deep?A. Blue whales live there.B. No one has ever been there.C. People are terrified by the sight of it.D. It is the deepest known locat
19、ion on Earth.解析:选D 细节理解题。根据第二段中的“the Challenger Deep, the deepest part of the Mariana Trench in the Pacific Ocean”可知,挑战号深渊是地球上目前的最 深的海底。7. What does the author think of the discovery in the Southern Ocean?A. Its surprising.B. Its no wonder.C. Its worrying.D. Its no success.解析:选B 推理判断题。根据第四段中的Surpris
20、ed? Dont be.the bottom of the sea.可推测,作者认为南冰洋中可能存在比蓝鲸更大生物的发现缺乏为奇。8. What does the author want to tell us?A. Space exploration is of little value.B. We spend too much money on space travel.C. Humans, success lies in how much they explore the sea.D. The ocean is the place where we should make our effo
21、rts.解析:选D主旨大意题。作者在文章第一段就点明自己的观点:The final place is here, under the surface of the sea,并在接下来的段落中具体论述海洋探索的重大意义。由此 可知,D项概括了文章主旨。H.阅读七选五By the end of the 15th century many things were changing in Europe. The population started to grow more quickly and a new class of merchants came up. They wanted to buy
22、 and sell expensive and valuable products from Asia, like gold, jewels and silk.In those days, people had no refrigerators to preserve their food.9 To make food taste better they used spices, like pepper.10 But in the 15th century the overland passageways were being controlled by the Turkish Empire,
23、 which made it even more difficult for European merchants to pass through. As a result, some European countries, like Spain and Portugal, decided to find out if there was a sea passageway to India.At the end of the 15th century the Portuguese started to explore the west coast of Africa. H In 1487, t
24、he Portuguese explorer Bartholomeu Dias sailed around the southern part of the continent and got as far as the east coast of Africa, but a storm made him turn back. 12 The Portuguese named it the Cape of Good Hope because they were hopeful of finding a passageway to India. In 1497, Vasco Da Gama set
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