Unit 2 Amazing numbers 单元测试卷2025-2026学年 沪教版（2024）八年级英语上册

沪教版（2025）八年级上册Unit 2 Amazing numbers单元测试卷 满分：100分 时间：90分钟 姓名： 得分： 一、根据首字母或中文提示填空（15分，每空1分） 1. Numbers are very important in our d________ (日常的) life. 2. There are a lot of a________ (令人惊奇的) facts about numbers. 3. We use numbers to c________ (计算) and measure things. 4. The number π is an i________ (无限的) decimal. 5. Some numbers have special m________ (意义) in different cultures. 6. We can find many number p________ (模式) in nature. 7. The number of stars in the sky is i________ (难以置信的). 8. Math lovers often study number t________ (理论). 9. We use numbers to keep r________ (记录) of things. 10. The number zero is very i________ (重要的) in mathematics. 11. We can use numbers to solve p________ (问题) in science. 12. Some numbers are c________ (认为) lucky or unlucky in some cultures. 13. The number 10 is a d________ (十进制的) base number. 14. We can learn about number h________ (历史) to understand their development. 15. Numbers can be used to e________ (表达) different ideas. 二、完形填空（5分，每题1分） Numbers are all around us and have amazing stories. I remember learning about the number π in math class. It's an infinite decimal, and its 1.______ has puzzled mathematicians for centuries. Another interesting number is zero. It's hard to imagine how math would be without it. Numbers also have cultural meanings. For example, the number 8 is 2.______ lucky in Chinese culture. Learning about these amazing numbers not only 3.______ my math knowledge but also makes me realize how important numbers are in our lives. I enjoy 4.______ more about number patterns and theories. It's like a 5.______ journey into the world of numbers. 1. A. history B. story C. value D. mystery 2. A. considered B. made C. taken D. thought 3. A. reduces B. improves C. destroys D. wastes 4. A. teaching B. learning C. writing D. reading 5. A. boring B. difficult C. wonderful D. tiring 三、英汉互译（10分，每题1分） 1 学科网（北京）股份有限公司 学科网（北京）股份有限公司 学科网（北京）股份有限公司 1. 日常的生活 _______________ 2. amazing facts about numbers _________________ 3. 计算和测量 _______________ 4. infinite decimal ______________ 5. 特殊意义 __________________ 6. number patterns in nature ___________ 7. 难以置信的数量 _______________ 8. number theories _________________ 9. 记录事情 ______________________ 10. cultural meanings of numbers __________________ 四、用所给词的适当形式填空（10分，每题1分） 1. Numbers play an important role in our ______________ (day) life. 2. There are many ______________ (amaze) facts about numbers. 3. We use numbers ______________ (calculate) and measure things. 4. The number π is an ______________ (infinite) decimal. 5. Some numbers have special ______________ (mean) in different cultures. 6. We can find many number ______________ (pattern) in nature. 7. The number of stars in the sky is ______________ (unbelievable). 8. Learning about number theories ______________ (improve) our math knowledge. 9. We use numbers ______________ (keep) records of things. 10. Numbers can be used ______________ (express) different ideas. 五、单项选择（15分，每题1分） 1. —Why are numbers important? —Because we use them to ______________ and measure things. A. calculate B. play C. sing D. dance 2. The number π is an ______________ decimal. A. infinite B. finite C. small D. large 3. Some numbers have special ______________ in different cultures. A. stories B. meanings C. histories D. values 4. We can find many number ______________ in nature. A. patterns B. pictures C. songs D. dances 5. The number of stars in the sky is ______________. A. believable B. unbelievable C. small D. large 6. Math lovers often study number ______________. A. stories B. pictures C. theories D. songs 7. We use numbers to keep ______________ of things. A. diaries B. records C. books D. notes 8. The number zero is very ______________ in mathematics. A. unimportant B. important C. small D. large 9. We can use numbers to solve ______________ in science. A. problems B. questions C. stories D. songs 10. Some numbers are ______________ lucky or unlucky in some cultures. A. considered B. made C. taken D. thought 11. The number 10 is a ______________ base number. A. binary B. decimal C. hexadecimal D. octal 12. Learning about number ______________ helps us understand their development. A. stories B. pictures C. histories D. values 13. Numbers can be used to ______________ different ideas. A. express B. play C. sing D. dance 14. Studying amazing numbers ______________ our math knowledge. A. reduces B. improves C. destroys D. wastes 15. It's a ______________ journey into the world of numbers. A. boring B. difficult C. wonderful D. tiring 六、按要求完成句子（10分，每题2分） 1. Numbers are important in our daily life.（对划线部分提问） ______________ are numbers in your daily life? 2. We use numbers to calculate and measure things.（改为一般疑问句） ______________ you use numbers to calculate and measure things? 3. The number π is an infinite decimal.（改为感叹句） ______________ infinite decimal the number π is! 4. Some numbers have special meanings in different cultures.（改为同义句） Some numbers are ______________ special meanings in different cultures. 5. Learning about numbers makes me realize their importance.（改为否定句） Learning about numbers ______________ ______________ me realize their importance. 七、翻译句子（10分，每题2分） 1. 数字在我们的日常生活中非常重要。 Numbers are very important in our ______________ life. 2. 有很多关于数字的令人惊奇的事实。 There are many ______________ ______________ about numbers. 3. 我们用数字来计算和测量事物。 We use numbers to ______________ and measure things. 4. 一些数字在不同的文化中有特殊意义。 Some numbers have special ______________ in different cultures. 5. 学习数字理论提高我们的数学知识。 Learning about number theories ______________ our math knowledge. 八、阅读理解（15分，每题1.5分，2篇） A Numbers are amazing and play a crucial role in our lives. The number π, for example, is an infinite decimal that has fascinated mathematicians for a long time. It is used in many areas of science and engineering. Another important number is zero, which was a great invention in the history of mathematics. Numbers also have cultural significance. In some cultures, certain numbers are considered lucky or unlucky. For instance, the number 7 is often seen as lucky in Western cultures. Learning about these amazing numbers can help us better understand the world around us and improve our math skills. 1. What is the number π like? A. It's a finite decimal. B. It's an infinite decimal. C. It's a small number. D. It's a large number. 2. Why is zero an important number? A. Because it's a great invention in math history. B. Because it's used in science. C. Because it's lucky. D. Because it's infinite. 3. What cultural significance do numbers have? A. Some numbers are considered lucky or unlucky in different cultures. B. All numbers are lucky. C. All numbers are unlucky. D. None of the above. 4. Which number is considered lucky in Western cultures? A. 8 B. 6 C. 7 D. 9 5. How can learning about amazing numbers help us? A. By making us more confused. B. By helping us understand the world and improve math skills. C. By wasting our time. D. By making math more difficult. B I love studying numbers because they are full of surprises. One amazing number is 1. It is the building block of all numbers. Another interesting number is 10, which is the base of our decimal system. I also like learning about prime numbers. They are numbers greater than 1 that have no divisors other than 1 and themselves. Studying prime numbers helps me understand number patterns better. Numbers also have stories. For example, the number 2 is the only even prime number. Learning these stories makes studying numbers more fun. 1. What does the writer think of numbers? A. They are boring. B. They are full of surprises. C. They are difficult. D. They are tiring. 2. What is special about the number 1? A. It's the building block of all numbers. B. It's a prime number. C. It's even. D. It's infinite. 3. What is a prime number? A. A number greater than 1 with no divisors other than 1 and itself. B. A number less than 1. C. A number that is even. D. A number that is odd. 4. Which number is the only even prime number? A. 1 B. 2 C. 3 D. 4 5. Why does the writer like studying numbers? A. Because they are boring. B. Because they are full of surprises and stories. C. Because they are difficult. D. Because they are tiring. 九、书面表达（10分） 请以 “Amazing Numbers in My Eyes” 为题，写一篇短文。内容包括： 1. 你认为令人惊奇的数字有哪些； 2. 这些数字令人惊奇的原因； 3. 数字在生活中的重要性。 要求：不少于60词，语句通顺，可适当发挥。 ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 答案 一、根据首字母或中文提示填空 1. daily 2. amazing 3. calculate 4. infinite 5. meanings 6. patterns 7. unbelievable 8. theories 9. records 10. important 11. problems 12. considered 13. decimal 14. histories 15. express 二、完形填空 1. D 2. A 3. B 4. B 5. C 三、英汉互译 1. daily life 2. 关于数字的惊人事实 3. calculate and measure 4. 无限小数 5. special meanings 6. 自然界中的数字模式 7. unbelievable number 8. 数字理论 9. keep records of things 10. 数字的文化意义 四、用所给词的适当形式填空 1. daily 2. amazing 3. to calculate 4. infinite 5. meanings 6. patterns 7. unbelievable 8. improves 9. to keep 10. to express 五、单项选择 1. A 2. A 3. B 4. A 5. B 6. C 7. B 8. B 9. A 10. A 11. B 12. C 13. A 14. B 15. C 六、按要求完成句子 1. How 2. Do 3. What an 4. with 5. doesn't make 七、翻译句子 1. daily 2. amazing facts 3. calculate 4. meanings 5. improves 八、阅读理解 A篇：1. B 2. A 3. A 4. C 5. B B篇：1. B 2. A 3. A 4. B 5. B 九、书面表达（略） $$