2025-2026学年八年级英语下册综合必刷题
Unit4 The wonders of nature 基础知识巩固训练
一、根据英文释义/语境写单词，注意词性。
1． n． 奇观；奇迹（可数名词，常与of连用）__________
2． v． 存在；生存 __________
3． adj． 巨大的；庞大的（可修饰具体事物或抽象概念）__________
4． n． 力量；能量；威力 __________
5． v． 塑造；形成（自然过程或人为影响）__________
6． adj． 神秘的；难以理解的 __________
7． v． 吸引；引起……的注意（常与to连用）__________
8． n． 起源；根源 __________
9． adj． 陡峭的；险峻的 __________
10．v． 流动；流淌（可指液体、气体或时间）__________
11． n． 景观；风景（强调自然景色的整体）__________
12．adj． 永恒的；永久的 __________
13．v． 雕刻；雕琢（自然或人工作用）__________
14．n． 平衡；均衡 __________
15．adj． 罕见的；稀有的（强调稀缺性）__________
二、重点单词词性转换。
1． wonder（形容词）__________；（副词）__________
2． exist（名词）_______；（形容词）_______
3． huge（同义词，adj．）_______；（副词）_______
4． power（形容词）_______；（副词）_______
5． shape（过去式/过去分词）_______；（现在分词）______；（形容词）_________
6． mysterious（名词）_______；（副词）_______
7． attract（名词）_______；（形容词）_______
8． origin（形容词）__________
9． steep（副词）_______；（比较级/最高级）_______/__________
10． flow（过去式/过去分词）_______；（现在分词）_______
11． landscape（动词）__________
12． eternal（副词）_______；（同义词，adj．）_______
13． carve（过去式/过去分词）_______（现在分词）_______
14． balance（形容词）_______；（副词）_______
15． rare（副词）_______；（比较级/最高级）_________/ _______
三、短语翻译。
1． 自然奇观 __________
2． 由……形成 __________
3． 吸引大量游客 __________
4． 追溯到……（起源）__________
5． 保持生态平衡 __________
6． 陡峭的悬崖 __________
7． 流淌的河流 __________
8． 神秘的现象 __________
9． 罕见的动植物 __________
10．大自然的力量 __________
11． be famous for its natural beauty __________
12．stand tall in the distance __________
13．play an important role in the ecosystem __________
14．be shaped by wind and water __________
15．have a lasting influence on __________
四、用所给单词的适当形式填空。
1． Scientists have been studying how the Grand Canyon __________ (form) for centuries．
2． The mysterious lake __________ (attract) thousands of visitors every year because of its clear water．
3． It’s amazing that such a huge rock __________ (exist) in the middle of the desert for millions of years．
4． The river ______ (flow) through the mountains and provides water for the nearby villages．
5． The ancient trees in the forest have great __________ (power) to purify the air．
6． The __________ (wonder) scenery of the Alps left a deep impression on all the travelers．
7． The artist spent three years __________ (carve) the stone into the shape of a lion．
8． We should protect __________ (rarely) animals to keep the balance of nature．
9． The __________ (mystery) disappearance of the ancient city has puzzled historians for a long time．
10．The ________ (origin) of the Great Barrier Reef dates back to over 20 million years ago．
11． The _________ (steeply) mountains are difficult to climb, but many adventurers still try．
12．Human activities __________ (already influence) the natural wonders in many parts of the world．
13．It’s important for us to realize the __________ (important) of protecting natural landscapes．
14．The waterfall _____ (shape) by the continuous erosion of water over thousands of years．
15．She was __________ (attract) by the beauty of the Northern Lights and decided to visit Iceland．
五、根据首字母提示及语境完成短文。
Nature is full of amazing wonders that have existed for millions of years． One of the most famous natural wonders is the Great Barrier Reef in Australia． It is the largest coral reef system in the world, covering a huge area of the sea． The reef is home to thousands of rare sea creatures and plants, which play an important role in maintaining the b______1 of the marine ecosystem．
The Great Barrier Reef was f______2 by tiny coral polyps over a long period of time． These small creatures secrete a hard substance that forms the structure of the reef． What makes it even more amazing is that the reef is still growing and changing today． However, in recent years, it has faced many threats． Pollution and climate change have caused some parts of the reef to lose their color and die, which has a______3 many scientists and environmentalists．
Another incredible natural wonder is the Victoria Falls． Located on the border of Zambia and Zimbabwe, the falls are known for their huge size and powerful water flow． When the water rushes down the steep cliffs, it creates a mist that can be seen from miles away． The sound of the water is so loud that it feels like thunder． Every year, thousands of tourists are a______4 to this amazing sight, eager to experience the power of nature．
These natural wonders remind us of the beauty and mystery of our planet． They also teach us that nature is fragile and needs to be protected． We should take responsibility for preserving these treasures so that future generations can also admire their b______5 and learn from their history． From the deep oceans to the high mountains, nature’s wonders never fail to i______6 awe and respect in our hearts．
六、完形填空。
The Wonders of the Amazon Rainforest
The Amazon Rainforest is one of the greatest natural wonders on Earth． Covering over 5．5 million square kilometers, it is the largest rainforest in the world． It is home to more than 40,000 plant species, 3,000 fish species, and countless birds and animals, making it one of the most biodiverse places on the planet．
The rainforest plays a crucial role in regulating the Earth’s climate． It absorbs large amounts of carbon dioxide and 1 oxygen, which is essential for all living things． The trees also help to control rainfall by releasing water vapor into the atmosphere, creating a unique microclimate within the forest．
What makes the Amazon even more amazing is its 2 origins． It is believed to have existed for over 55 million years, and its landscape has been 3 by millions of years of natural processes． Rivers have carved deep valleys, while wind and rain have shaped the mountains and hills surrounding the forest．
However, the Amazon Rainforest is facing serious threats． Deforestation, caused by logging and agricultural activities, is destroying large areas of the forest every year． This not only 4 the homes of countless species but also disrupts the global ecosystem． Climate change is another major threat, as rising temperatures and changing rainfall patterns are affecting the survival of many plants and animals．
Despite these challenges, there is still hope． Many countries and organizations are working together to protect the Amazon． They are establishing protected areas, promoting sustainable development, and educating people about the 5 of this natural wonder． By working together, we can ensure that the Amazon Rainforest continues to thrive for generations to come．
( )1． A． produces B． reduces C． wastes D． stores
( )2． A． recent B． ancient C． modern D． temporary
( )3． A． destroyed B． built C． shaped D． covered
( )4． A． protects B． provides C． invents D． destroys
( )5． A． value B． cost C． price D． danger
七、汉译英。
1． 这些自然奇观已经存在了数千年。
These natural wonders __________ __________ for thousands of years．
2． 风和水共同塑造了这片神奇的景观。
Wind and water __________ __________ this magical landscape together．
3． 这个地区以其罕见的动植物而闻名。
This area __________ __________ __________ its rare plants and animals．
4． 我们必须采取行动保护生态平衡。
We must __________ __________ to protect the ecological balance．
5． 维多利亚瀑布的力量和美丽吸引了无数游客。
The power and beauty of Victoria Falls __________ __________ countless visitors．
6． 大自然的奥秘还有很多等待我们去探索。
Many mysteries of nature __________ __________ __________ us to explore．
7． 这座山脉追溯到数百万年前的地质年代。
This mountain range __________ __________ __________ millions of years ago．
8． 人类活动对自然奇观的影响越来越大。
Human activities have __________ __________ __________ __________ on natural wonders．
9． 这个神秘的洞穴是由地下水长期侵蚀形成的。
This mysterious cave __________ __________ __________ long-term erosion by groundwater．
10． 保护自然奇观是我们每个人的责任。
__________ __________ natural wonders is the responsibility of every one of us．
八、句型转换。
1． The Great Wall is one of the most famous natural wonders in the world．（改为同义句）
The Great Wall is one of the world’s __________ __________ natural wonders．
2． Wind and water have shaped the Grand Canyon over millions of years．（改为被动语态）
The Grand Canyon ________ _________ _________ wind and water over millions of years．
3． We should protect natural wonders because they are very important．（改为复合句，用why引导）
The reason __________ we should protect natural wonders __________ __________ they are very important．
4． The natural wonder attracts visitors from all over the world．（对划线部分提问）
__________ __________ the natural wonder __________ visitors from?
5． It’s amazing that such a small river can form a huge lake．（改为感叹句）
__________ __________ it is that such a small river can form a huge lake!
6． Many scientists are studying the origin of this natural phenomenon．（改为现在完成进行时）
Many scientists __________ __________ __________ the origin of this natural phenomenon．
7． People have visited this wonder for hundreds of years．（改为否定句）
People __________ __________ this wonder for hundreds of years．
8． The rare plant grows only in this mountain area．（改为倒装句）
Only in this mountain area __________ the rare plant __________．
9． The natural beauty of the lake makes it a popular tourist spot．（改为定语从句）
The lake, __________ natural beauty is amazing, has become a popular tourist spot．
10． We can save natural wonders by reducing pollution．（对划线部分提问）
__________ __________ we save natural wonders?
…………
参考答案
一、核心单词深度考查。
1． wonder 2． exist 3． huge 4． power 5． shape
6． mysterious 7． attract 8． origin 9． steep 10． flow
11． landscape 12． eternal 13． carve 14． balance 15． rare
…………
不错
很有用
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