Unit4 Section A 1a-1d能力提升练习 -2025-2026学年人教版八年级英语下册

**基本信息** 本练习围绕“自然奇观”主题，通过基础词汇拼写、语篇词汇应用、完形填空、阅读理解及补全对话的三阶分层设计，构建从单一词汇到综合语用的知识巩固路径，适配新授课语言能力培养需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础巩固|核心词汇（wonder, desert等）|汉译英及方框词填空，强化拼写与搭配| |语篇应用|词汇语境运用、信息获取|完形填空（语法与逻辑）、阅读理解（细节查找）| |综合拓展|交际用语|补全对话，提升情境表达能力|

Unit4 Section A 1a-1d能力提升练习 Ⅰ、根据句意及汉语提示，写出单词的正确形式，每空一词。 1. The Great Wall is a great natural and cultural ________ (奇观) in the world. 2. No people can live in the dry ________ (沙漠) for a long time. 3. We need correct ________ (测量) data to study the height of mountains. 4. This square park covers two ________ (平方) kilometers in our city. 5. The temperature today is ten degrees ________ (低于) zero. 6. The ________ (表面) of the sea is calm and peaceful today. 7. We should keep our knowledge and skill ________ (水平) improving all the time. Ⅱ、用方框中所给单词的适当形式填空。 deep, high, wonder, below, square, size, measure, surface Our planet is full of natural 1. ________. Different places have different features. Many students are interested in their 2. ________ and heights. Angel Falls is one of the most beautiful waterfalls. It is very 3. ________. Many tourists come to visit it every year. The Nile River is one of the longest rivers in the world. It covers a huge land area of thousands of 4. ________ kilometres. Scientists 5. ________ these natural places every year. They find that some places are far 6. ________ sea level. The 7. ________ of some lakes changes with the seasons. The ocean’s 8. ________ parts still have many unknown secrets waiting for us to discover. Ⅲ、完形填空 阅读下面短文，从A、B、C、D四个选项中选出最佳答案。 Nature gives us many unbelievable wonders. These special places make our world 1. ________and colorful. People all over the world love exploring natural wonders. Many natural places are famous for their special shapes and sizes. Some mountains are extremely 2.______. Some lakes lie far below the sea level. Some deserts 3______huge areas of land. All of them show the magic of nature. Learning about natural wonders is a good way to 4______our eyes. When we know how high a mountain is or how 5______ an ocean trench can be, we will feel how small humans are. However, many natural wonders are in 6.______ now. Human activities bring many problems. Rubbish pollutes the 7______ of lakes and oceans. Global warming changes the temperature of deserts and mountains. It is our duty to 8.______ nature. We should learn more about natural wonders, love them and protect them. Only in this way can these amazing 9.______ stay beautiful forever. We believe our world will become much 10. ______if we try our best to protect it. 1. A. boring B. lively C. noisy D. simple 2. A. low B. wide C. high D. small 3. A. cover B. take C. spend D. cost 4. A. close B. open C. raise D. keep 5. A. shallow B. long C. deep D. wide 6. A. danger B. peace C. order D. silence 7. A. bottom B. surface C. level D. square 8. A. harm B. save C. pollute D. waste 9. A. places B. animals C. plants D. rivers 10. A. larger B. cleaner C. colder D. quieter Ⅳ、阅读理解 A There are many famous natural wonders around the world, and Angel Falls is one of the most attractive ones. It is located in South America. It is the highest waterfall on Earth, with a height of 979 metres. Different from common waterfalls, Angel Falls is hidden in the deep forest. It is not easy for people to find it. Before planes were widely used, almost no one knew this amazing waterfall. Later, a pilot found it by accident, so people named it Angel Falls. The waterfall looks very beautiful all year round. The falling water turns into thick fog in the air. When the sun shines on the fog, beautiful rainbows will appear. Thousands of visitors travel here every year to enjoy its beauty. 1. Where is Angel Falls located? A. In North America. B. In South America. C. In Africa. D. In Asia. 2. What do we know about Angel Falls? A. It is the widest waterfall. B. It is easy to find. C. It is the highest waterfall. D. It was found by tourists. 3. What can we see around Angel Falls on sunny days? A. Snow. B. Rainbows. C. Many lakes. D. Thick ice. 4. The passage mainly talks about ______. A. a famous natural wonder B. how to visit waterfalls C. the history of flying planes D. different kinds of waterfalls Ⅴ、补全对话 阅读对话，从方框内选择合适的句子补全对话，有一项多余。 A. How deep is it? B. What’s your favorite natural wonder? C. And it’s also very wide. D. Is it a famous natural wonder? E. That’s amazing! F. Where is it? A: Hi, Mike! Do you like learning about natural wonders? B: Yes, it’s very interesting. 1. ________ A: I like the Nile River best. B: 2. ________ A: It lies in Africa. It is one of the longest rivers in the world. B: 3. ________ A: Yes! Many people travel there every year. 4. ________ B: Wow! 5. ________ Nature is so great! 参考答案 Ⅰ、根据汉语提示写单词 1. wonder 2. desert 3. measurements 4. square 5. below 6. surface 7. level Ⅱ、短文填空 1. wonders 2. sizes 3. high 4. square 5. measure 6. below 7. surface 8. deepest Ⅲ、完形填空 1.B 2.C 3.A 4.B 5.C 6.A 7.B 8.B 9.A 10.B Ⅳ、阅读理解 1.B 2.C 3.B 4.A Ⅴ、补全对话 1.B 2.F 3.D 4.C 5.E 学科网（北京）股份有限公司 $