Unit 6 Earth and Beyond课时3 Exploring the Topic 部分课时练习2026-2027学年仁爱科普版英语八年级上册

**基本信息** 仁爱版八年级上Unit 6课时3同步练，以“基础巩固-语法应用-语篇综合”三级分层设计，覆盖词汇、句型到语篇，适配新授课语言能力培养与思维品质提升。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇（直径、小行星等）、基础词组（小行星带等）、简单句型|单词/词组默写、中文补全句子，直接强化课时基础语言知识| |进阶层|词形变化（real/really）、上下文衔接|括号内词适当形式填空、短文填空，训练语法应用与语篇连贯能力| |提高层|句子翻译、篇章理解、逻辑还原|翻译、阅读理解、完形填空、阅读还原，提升综合语言运用与思维分析能力|

2026-2027学年仁爱版八年级上 Unit 6 Earth and Beyond 课时3 Exploring the Topic 部分课时练习 一、单词默写（根据音标或中文写出英文单词） 1. ________ /daɪˈæmɪtə/ n. 直径 2. ________ /ˈæstərɔɪd/ n. 小行星 3. ________ /belt/ n. 环形地带；腰带 4. ________ /ˈsepəreɪt/ v.（使）分开；划分 5. ________ /ˈɪnə/ adj. 接近中心的；内部的 6. ________ /ˈaʊtə/ adj. 外围的；远离中心的 7. ________ /ɪnˈkluːd/ v. 包括；包含 8. ________ /rɒk/ n. 岩石 9. ________ /ɡæs/ n. 气体 10. ________ /paʊə/ n. 能量；控制力 二、词组默写（根据中文写出英文词组） 1. 小行星带 __________________________ 2. 内行星 __________________________ 3. 外行星 __________________________ 4. 由……组成（岩石和土壤） __________________________ 5. 在太阳系中 __________________________ 6. 既不……也不…… __________________________ 三、根据要求完成句子（用所给中文提示补全英文句子，每空一词） 1. 太阳的直径大约为1,391,400公里。 The Sun has a ______ of about 1,391,400 kilometers. 2. 地球看起来是蓝色和绿色的。 Earth looks ______ and green. 3. 小行星带将行星分为两组——内行星和外行星。 The Asteroid Belt ______ the planets into two groups—the inner planets and the outer planets. 4. 内行星更靠近太阳。 The inner planets are ______ to the Sun. 5. 太阳有力量让所有行星围绕它运行。 The Sun has the ______ to keep all the planets moving around it. 四、用括号内所给词的适当形式填空 1. The Sun may look yellow, orange, or even red, but its ______ (really) color is white. 2. The inner planets are ______ (small) and made of rocks and soil. 3. The outer planets are ______ (large) and made of gas with rocks inside. 4. The Sun keeps all the planets ______ (move) around it. 5. The heat gives the just right temperature to the ______ (live) things on the earth. 6. Plants need the light ______ (grow). 7. The earth is ______ (large), and it can hold the right type of air around it. 8. There is plenty of water as well as some dry land on the ______ (surface) of the earth. 五、阅读短文，在空白处填入一个适当的词或用括号内所给词的正确形式填空 In the solar system, the Sun is in the center, and eight planets go (1) ______ it. The Asteroid Belt separates the planets into two (2) ______ (group)—the inner planets and the outer planets. The inner planets are Mercury, Venus, Earth and Mars. They are (3) ______ (close) to the Sun. The outer planets include Jupiter, Saturn, Uranus and Neptune. They are (4) ______ (far) away. The inner planets are (5) ______ (small) and made of rocks and (6) ______ (soil), while the outer planets are larger and made of (7) ______ (gas) with rocks inside. The inner planets have (8) ______ (few) moons than the outer planets. This is one of the main (9) ______ (difference) between the two groups. Comparing these two (10) ______ (type) of planets helps us understand the solar system better. 六、句子翻译（将下列中文句子翻译成英文） 1. 太阳是一颗恒星，它看起来可能是黄色、橙色甚至红色，但它的真实颜色是白色。 ________________________________________________________________________ 2. 地球是太阳系中唯一有生命的行星。 ________________________________________________________________________ 3. 小行星带把行星分成两组——内行星和外行星。 ________________________________________________________________________ 4. 太阳有力量让所有行星围绕它运行。 ________________________________________________________________________ 5. 地球既不太靠近太阳也不太远离太阳。 ________________________________________________________________________ 七、阅读理解（共3篇短文，每篇5个小题，每题仅有一个最佳选项） A. The Sun and the Earth The Sun is a star. It has a diameter of about 1,391,400 kilometers. It may look yellow, orange, or even red, but its real color is white. There are no living things on the Sun because it is too hot. Earth is one of the eight planets of the solar system. The diameter of Earth is around 13,000 kilometers. It looks blue and green, and it is the only planet with life in the solar system. The Earth is much smaller than the Sun. The Sun gives us light and heat, which are very important for life on Earth. ( )1. What is the Sun? A. A planet. B. A star. C. A satellite. D. A rock. ( )2. What is the real color of the Sun? A. Yellow. B. Orange. C. Red. D. White. ( )3. How big is Earth's diameter? A. About 13,000 km. B. About 1,391,400 km. C. About 130,000 km. D. About 13,000,000 km. ( )4. Why are there no living things on the Sun? A. Because it is too cold. B. Because it is too hot. C. Because it is too small. D. Because it has no water. ( )5. What is the main idea of the passage? A. The Sun is bigger than the Earth. B. The Sun and the Earth are very different. C. The Earth has life. D. The Sun gives us light. B. Inner Planets and Outer Planets The Asteroid Belt separates the planets into two groups—the inner planets and the outer planets. The inner planets are Mercury, Venus, Earth and Mars. They are closer to the Sun. They are smaller and made of rocks and soil. The outer planets include Jupiter, Saturn, Uranus and Neptune. They are farther away from the Sun. They are larger and made of gas with rocks inside. The inner planets have fewer moons than the outer planets. Jupiter, for example, has more than 80 moons, while Earth has only one. The outer planets also have rings, while the inner planets do not. ( )6. How many inner planets are there? A. Two. B. Three. C. Four. D. Five. ( )7. What are the outer planets made of? A. Rocks and soil only. B. Gas with rocks inside. C. Water and ice. D. Only gas. ( )8. What is one difference between inner and outer planets? A. Inner planets have more moons. B. Outer planets have more moons. C. They both have rings. D. They are the same size. ( )9. Which planet has more than 80 moons? A. Earth. B. Mars. C. Saturn. D. Jupiter. ( )10. What separates the planets into two groups? A. The Sun. B. The Moon. C. The Asteroid Belt. D. The Earth. C. Why Is Earth Suitable for Life? Earth is our only home planet. It is neither too close nor too far from the sun. This helps the earth get enough light and heat from the sun. The earth is large, and it can hold the right type of air around it. Besides, there is plenty of water as well as some dry land on the surface of the earth. With water and land, people can live and grow food on the earth. The temperature on Earth is just right for living things. All these factors make Earth a special planet in the solar system. ( )11. Why is Earth suitable for life? A. It is very close to the sun. B. It is very far from the sun. C. It is neither too close nor too far from the sun. D. It has no water. ( )12. What can Earth hold around it? A. Water. B. The right type of air. C. Rocks. D. Gas. ( )13. What is there on the surface of the earth? A. Only water. B. Only dry land. C. Water and dry land. D. Only ice. ( )14. Why can people grow food on Earth? A. Because there is no air. B. Because there is water and land. C. Because it is very hot. D. Because it is very cold. ( )15. What is the main idea of the passage? A. Earth is the largest planet. B. Earth is the only planet with life. C. Earth is suitable for life for several reasons. D. Earth has no water. 八、完形填空（阅读下面的短文，从每题所给的A、B、C、D四个选项中选出最佳选项） Why is the sun so important? There are (1) ______ least two reasons. First, it keeps the planets in the solar system. The sun is the (2) ______ object in the system. It has the power to keep all the planets (3) ______ around it. Second, it gives heat and (4) ______ to the earth. The heat gives the just right (5) ______ to the living things on the earth. The light is important for people and animals to get (6) ______, and plants need the light to (7) ______. Without the sun, there (8) ______ be no life on Earth. The sun is (9) ______ important star to us. We should learn more (10) ______ it. ( )1. A. on B. in C. at D. for ( )2. A. large B. larger C. largest D. more large ( )3. A. move B. to move C. moving D. moved ( )4. A. warmth B. light C. energy D. electricity ( )5. A. temperature B. diameter C. pressure D. distance ( )6. A. food B. water C. air D. energy ( )7. A. grow B. grow C. growing D. grew ( )8. A. would B. will C. could D. can ( )9. A. so B. such C. too D. very ( )10. A. for B. with C. about D. at 九、阅读还原（从 A-G 七个选项中选出五个填入短文空缺处，使短文完整流畅） How to Write a Good Summary Writing a good summary is a useful skill for students. (1) ______ It can help you understand what you have read. First, read the text carefully. (2) ______ You need to understand the main idea and the supporting details. Second, identify the important information. (3) ______ Look for the topic sentence and the key sentences. These tell you what the text is mainly about. Third, write the summary in your own words. (4) ______ Do not copy the sentences from the original text. Finally, check your summary. (5) ______ Make sure it covers all the important points and is not too long. With practice, you can become better at summarizing texts. A. You should find the main ideas. B. A summary should be shorter than the original text. C. It is a good way to practice your writing skills. D. You should read the text slowly. E. Pay attention to the key points. F. Don't forget to use your own words. G. Make sure your summary is clear and complete. (1) ________ (2) ________ (3) ________ (4) ________ (5) ________ 参考答案 一、单词默写 1. diameter 2. asteroid 3. belt 4. separate 5. inner 6. outer 7. include 8. rock 9. gas 10. power 二、词组默写 1. Asteroid Belt 2. inner planets 3. outer planets 4. be made of rocks and soil 5. in the solar system 6. neither...nor 三、根据要求完成句子 1. diameter 2. blue 3. separates 4. closer 5. power 四、用括号内所给词的适当形式填空 1. real 2. smaller 3. larger 4. moving 5. living 6. to grow 7. large 8. surface 五、短文填空 1. around 2. groups 3. closer 4. farther 5. smaller 6. soil 7. gas 8. fewer 9. differences 10. types 六、句子翻译 1. The Sun is a star. It may look yellow, orange, or even red, but its real color is white. 2. Earth is the only planet with life in the solar system. 3. The Asteroid Belt separates the planets into two groups—the inner planets and the outer planets. 4. The Sun has the power to keep all the planets moving around it. 5. Earth is neither too close nor too far from the sun. 七、阅读理解 A篇：1. B 2. D 3. A 4. B 5. B B篇：6. C 7. B 8. B 9. D 10. C C篇：11. C 12. B 13. C 14. B 15. C 八、完形填空 1. C 2. C 3. C 4. B 5. A 6. D 7. A 8. A 9. B 10. C 九、阅读还原 1. C 2. A 3. E 4. F 5. G（B、D为多余选项） 学科网（北京）股份有限公司 $