1、Unit 5 Amazing nature 单元测试卷一、单项选择1. My hometown is famous _ its beautiful mountains and clear waters.A. for B. as C. to D. with2.The color of the sky is _ blue.A. a kind of B. kinds of C. kind of D. all kinds of3.The mountains in my hometown are _ than those in other places.A. high B. higher C. high
2、est D. the highest4.There are _ flowers in the garden.A. a lot B. a lot of C. lot of D. lots5.The Dead Sea is _ saltier than any other sea.A. very B. much C. more D. too6.The rainforest is the only home for many plants and animals, we should _ it.A. protect B. pollute C. destroy D. waste7.People are
3、 cutting down trees in the forest, _ the animals are losing their homes.A. because B. so C. but D. or8.The glacier is _ beautiful that many tourists come to visit it.A. so B. such C. very D. too9.The water in the lake is very clear, you can see _ fish in it.A. hundred of B. hundreds of C. two hundre
4、ds D. two hundreds of10.We should stop climate change, _ the earth will become more and more beautiful.A. so B. because C. but D. or11.The national park is a great place _ nature.A. to enjoy B. enjoy C. enjoying D. enjoyed12.The sunset in my hometown is _ than that in the city.A. more beautiful B. b
5、eautiful C. most beautiful D. the most beautiful13.The plants in the rainforest are very _ to the environment.A. use B. used C. useful D. useless14.The mountains in the area are covered with _ snow in winter.A. white B. a white C. the white D. whites15.The natural wonder is _ amazing that people can
6、t believe their eyes.A. so B. such C. very D. too 二、完形填空My hometown is in a very special place. It is located on the 1 . The scenery here is truly amazing. When you look around, you can see white 2 floating in the blue sky like soft cotton balls. The mountains stand tall and 3 under the sunlight, ju
7、st like huge white lotus flowers.The 4 here is also very unique. There are so many different shades of blue in the rivers and lakes. Its hard to describe how beautiful it is. The water is so clear that you can see the bottom in some places. And the grasslands, forests, and fields are all 5 . Thats m
8、y favorite color because it represents hope and life.Trains are running through the plateau, which adds a modern touch to this natural beauty. They seem to be a part of the landscape, 6 with the surrounding nature harmoniously.However, not all natural wonders are in such a good state. Take the Dead
9、Sea for example. Its not really a sea but a 7 . It used to be very large and beautiful, but now its facing a big problem. People take too much water from the rivers that flow into it, and its water level is going down. If this continues, it may 8 within the next 100 years.Another example is the rain
10、forest in Madagascar. Its the home of many plants and animals. But people are cutting down the trees for 9 and to make space for farming. This is making the rainforest disappear. We should know that these natural wonders are crying for help. We need to do something to protect them.We should 10 that
11、nature is a precious gift. We can start from small things, like reducing waste and saving water. Lets work together to make sure that these amazing natural wonders will always be there for us and for future generations to enjoy.1.A. plain B. plateau C. valley D. mountain2.A. clouds B. birds C. kites
12、 D. balloons3.A. darkly B. brightly C. weakly D. softly4.A. soil B. sand C. water D. stone5.A. white B. blue C. green D. yellow6.A. connecting B. competing C. comparing D. contrasting7.A. river B. lake C. ocean D. pond8.A. dry up B. fill up C. warm up D. cool down9.A. food B. fun C. wood D. space10.
13、A. forget B. remember C. ignore D. destroy三、阅读理解（一）The Amazon Rainforest is one of the most amazing natural wonders in the world. It is located in South America and covers a large area.The rainforest is home to countless species of plants and animals. Many of these species are not found anywhere els
14、e on Earth. The plants in the Amazon Rainforest are very diverse. There are tall trees that form a dense canopy, and underneath there are smaller plants and bushes.The animals in the rainforest are also very special. There are monkeys, jaguars, snakes, and many kinds of birds. These animals have ada
15、pted to the unique environment of the rainforest.However, the Amazon Rainforest is facing serious threats. People are cutting down trees for timber and to clear land for farming and cattle ranching. This is destroying the habitats of many animals and plants. In addition, the illegal hunting of anima
16、ls is also a problem.We must take action to protect the Amazon Rainforest. We can support conservation organizations and encourage people to use sustainable products. If we dont act now, this precious natural wonder may disappear forever.1.Where is the Amazon Rainforest located?A. In Africa.B. In As
17、ia.C. In South America.D. In North America.2.Why is the Amazon Rainforest important?A. Because it has a lot of tall trees.B. Because it is home to many unique species of plants and animals.C. Because it is a good place for farming.D. Because it is a tourist attraction.3.What are the threats to the A
18、mazon Rainforest?A. Only cutting down trees.B. Only illegal hunting.C. Cutting down trees and illegal hunting.D. Climate change.4.What can we do to protect the Amazon Rainforest?A. Cut down more trees.B. Hunt more animals.C. Support conservation organizations and use sustainable products.D. Ignore t
19、he problem.（二）Mount Everest is the highest mountain in the world. It is located in the Himalayas on the border between Nepal and China.Climbing Mount Everest is a great challenge for many mountaineers. The weather conditions on the mountain are extremely harsh. There are strong winds, low temperatur
20、es, and thin air.However, despite the difficulties, many people still attempt to climb it. They are attracted by the beauty and the sense of achievement that comes with reaching the summit.In recent years, the number of climbers has increased. This has led to some problems, such as overcrowding on t
21、he mountain and environmental pollution. Some climbers leave their trash on the mountain, which is harmful to the environment.We should respect nature and protect the environment when climbing Mount Everest. We should also follow the rules and regulations set by the authorities. Only in this way can
22、 we ensure the sustainable development of mountaineering activities and protect this magnificent natural wonder.5. Where is Mount Everest located?A. In Nepal only.B. In China only.C. On the border between Nepal and China.D. In India.6. Why do people climb Mount Everest?A. Because it is easy.B. Becau
23、se they want to challenge themselves and experience the sense of achievement.C. Because they dont like other mountains.D. Because they want to make money.7. What are the problems caused by the increasing number of climbers?A. Only overcrowding.B. Only environmental pollution.C. Overcrowding and envi
24、ronmental pollution.D. Climate change.8. What should we do when climbing Mount Everest?A. Leave trash on the mountain.B. Ignore the rules and regulations.C. Respect nature and protect the environment and follow the rules.D. Climb without permission.（三）The Grand Canyon is a famous natural wonder in t
25、he United States. It is a huge canyon that was formed by the Colorado River over millions of years.The canyon is very deep and wide. It is a great place for sightseeing. You can see different layers of rocks that tell the story of the Earths history. The colors of the rocks are also very beautiful,
26、especially at sunrise and sunset.There are many activities that you can do at the Grand Canyon. You can go hiking along the trails, take a helicopter tour to see the whole canyon from above, or go rafting on the Colorado River.However, like many other natural wonders, the Grand Canyon is also facing
27、 some threats. The increasing number of tourists is putting pressure on the environment. There is also the problem of pollution from human activities.We should take measures to protect the Grand Canyon. We can start by reducing our waste and following the parks regulations. We should also encourage
28、others to do the same. Only in this way can we preserve this amazing natural wonder for future generations.9. How was the Grand Canyon formed?A. By an earthquake.B. By a volcano eruption.C. By the Colorado River over millions of years.D. By human activities.10. What can you see at the Grand Canyon?A
29、. Only deep valleys.B. Different layers of rocks and beautiful colors.C. Only a big river.D. Tall mountains.11. What activities can you do at the Grand Canyon?A. Only hiking.B. Hiking, helicopter tour, and rafting.C. Only rafting.D. Only taking pictures.12. What are the threats to the Grand Canyon?A
30、. Only the increasing number of tourists.B. Only pollution from human activities.C. The increasing number of tourists and pollution from human activities.D. Climate change.13. How can we protect the Grand Canyon?A. By increasing the number of tourists.B. By leaving more trash.C. By reducing waste an
31、d following park regulations and encouraging others to do the same.D. By building more hotels and restaurants near it.14.What makes the Grand Canyon a great place for sightseeing?A. Its deep and wide shape.B. The different layers of rocks and beautiful colors.C. The various activities available.D. A
32、ll of the above.15.Why is it important to protect the Grand Canyon?A. Because it is a source of income for the local area.B. Because it is a place for people to have fun.C. Because it is a precious natural wonder that tells the story of the Earths history and should be preserved for future generatio
33、ns.D. Because it is famous.四、词汇运用（一）根据首字母或汉语提示完成单词1. The grassland is very v_ for animals to live on.（valuable）2.The l_ in the park are very beautiful in autumn.（leaves）3.We should s_ water because it is a precious resource.（save）4.The color of the sunset is very r_.（red）5.The mountains in the dista
34、nce are c_ with snow.（covered）6.The river is the b_ of the two villages.（boundary）7.The air in the forest is very f_.（fresh）8.The flowers in the garden are very c_.（colorful）9.The natural park is a good place to e_ nature.（enjoy）10.The lake is very d_, you can see the bottom clearly.（deep）（二）用所给单词的适
35、当形式填空1. The mountain is much _ (high) than that one.2.There are many _ (difference) kinds of plants in the forest.3.The sunset is one of the most _ (beauty) sights I have ever seen.4.The park is a good place for people _ (relax).5.We should protect the environment and make it _ (good).五、书面表达题目：A Nat
36、ural Wonder I Have Visited要求：1. 语言表达准确，语意通顺、连贯；2. 书写工整、规范；3. 根据所给题目，写一篇不少于 80 词的短文，介绍你曾经参观过的一处自然奇观，包括它的位置、特点以及你的感受。 以下是这份试卷的答案及解析： *一、单项选择* 1. A 解析：“be famous for”表示“因.而出名”，家乡因美丽的山和清澈的水而出名，故选 A。 2. C 解析：“kind of”表示“有点儿；稍微”，天空的颜色有点儿蓝，故选 C。 3. B 解析：“than”是比较级的标志词，要用 high 的比较级 higher，故选 B。 4. B 解析：“a l
37、ot of”和“lots of”都表示“许多”，可以修饰可数名词复数和不可数名词，故选 B。 5. B 解析：“much”可以修饰比较级，“saltier”是比较级，故选 B。 6. A 解析：雨林是许多动植物的家园，我们应该保护它，“protect”表示“保护”，故选 A。 7. B 解析：人们砍伐树木，所以动物失去家园，前后是因果关系，故选 B。 8. A 解析：“so.that.”表示“如此.以至于.”，冰川如此美丽以至于很多游客来参观，故选 A。 9. B 解析：“hundreds of”表示“数以百计的”，故选 B。 10. A 解析：我们应该阻止气候变化，所以地球会变得越来越美丽，
38、前后是因果关系，故选 A。 11. A 解析：“a place to do sth.”表示“做某事的地方”，故选 A。 12. A 解析：“than”是比较级的标志词，要用 beautiful 的比较级 more beautiful，故选 A。 13. C 解析：雨林里的植物对环境非常有用，“useful”表示“有用的”，故选 C。 14. A 解析：“white snow”表示“白雪”，故选 A。 15. A 解析：“so.that.”表示“如此.以至于.”，自然奇观如此惊人以至于人们不敢相信自己的眼睛，故选 A。 *二、完形填空* 1. B 解析：根据下文“Trains are runni
39、ng through the plateau”可知是在高原上，故选 B。 2. A 解析：白色的像棉花球一样的应该是云，故选 A。 3. B 解析：在阳光下明亮地闪耀，“brightly”表示“明亮地”，故选 B。 4. C 解析：根据下文描述河流和湖泊的颜色，可知说的是水，故选 C。 5. C 解析：草、森林和田野应该是绿色的，故选 C。 6. A 解析：与周围的自然和谐地连接在一起，“connecting”表示“连接”，故选 A。 7. B 解析：死海不是真正的海，而是一个湖，故选 B。 8. A 解析：水位下降，如果继续这样，可能会干涸，“dry up”表示“干涸”，故选 A。 9. C
40、 解析：人们砍树是为了木材和腾出地方，“wood”表示“木材”，故选 C。 10. B 解析：我们应该记住自然是一份珍贵的礼物，“remember”表示“记住”，故选 B。 *三、阅读理解* （一） 1. C 解析：根据“It is located in South America”可知，亚马逊雨林位于南美洲，故选 C。 2. B 解析：亚马逊雨林重要是因为它是许多独特动植物的家园，故选 B。 3. C 解析：人们砍伐树木和非法狩猎是对亚马逊雨林的威胁，故选 C。 4. C 解析：我们可以支持保护组织并使用可持续产品来保护亚马逊雨林，故选 C。 （二） 5. C 解析：珠穆朗玛峰位于尼泊尔和中国的边境，故选 C。 6. B 解析：人们攀登珠穆朗玛峰是为了挑战自己并体验成就感，故选 B。 7. C 解析：登山者数量的增加
