Unit 2 Amazing numbers Section 2 Exploring and applying rules Grammar练习作业 2026-2027学年沪教版英语八年级上册

**基本信息** 本练习围绕“数字表达”语法主题，通过基础巩固、语法应用到综合写作的三层设计，实现从单一知识点到语言能力的递进，适配新授课分层教学需求。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|数字表达（基数词、分数、小数等）|翻译（6题）、词汇运用（15题），聚焦单一句型与词汇拼写，夯实语言能力基础| |进阶层|语法规则应用（分数、倍数、年代等）|单项选择（5题）、首字母填空（10空），结合语境考查语法辨析与语篇理解，渗透文化意识与思维品质| |综合应用层|语言综合输出|书面表达（1题），围绕“数字与生活”主题整合知识，提升语言表达与逻辑思维，发展学习能力|

Unit 2 Amazing numbers Section 2 Exploring and applying rules (Grammar) 练习作业 一、翻译 1. 这个图书馆里有超过五千本书。 ____________________________________________________________________________________________ 2. 三分之二的学生每天都做运动。 ____________________________________________________________________________________________ 3. 这座桥的长度是那座的三倍。 ____________________________________________________________________________________________ 4. 他出生于1998年6月15日。 ____________________________________________________________________________________________ 5. 百分之四十的能源来自太阳能。 ____________________________________________________________________________________________ 6. 你能把这个数字写成小数形式吗？ ____________________________________________________________________________________________ 二、词汇运用 1. There are about eight _______ (million) people in this city. 2. December is the _______ (twelve) month of a year. 3. _______ (Two-third) of the land in this area is covered with trees. 4. The population of the country has _______ (double) in the past ten years. 5. 5.6 is a _______ (decimal) number. 6. We need to finish _______ (ninety) percent of the work by Friday. 7. My grandfather is in his _______ (eighty), but he still exercises every day. 8. _______ (Thousand) of tourists visit this museum every year. 9. She spent _______ (one-third) of her savings on this new car. 10. The _______ (number) of the students in our class is 45. 11. He won the _______ (three) prize in the math competition. 12. This building is _______ (two) as tall as that one. 13. We have learned about _______ (hundred) of English words so far. 14. The _______ (percent) of water on the earth is about 71%. 15. When we count numbers, we start from _______ (zero). 三、单项选择 ( )1. _______ of the students in our class are boys. A. Two third B. Two thirds C. Second three D. Second thirds ( )2. The old man was born _______. A. in 1940s B. in the 1940 C. in the 1940s D. on 1940s ( )3. This river is _______ that one. A. three times as long as B. three time as long as C. three times longer as D. three time longer as ( )4. _______ people took part in the marathon last year. A. Thousand of B. Thousands of C. Five thousands D. Five thousand of ( )5. —What’s 3.5 in English? —It’s _______. A. three point five B. three five C. three and five D. three point fifth 四、首字母填空 Numbers play an important role in our daily life. People have used numbers for t 1______ of years. At first, people used their fingers to count. Later, they started to use tools like stones to k 2______ track of numbers. Different cultures have different ideas about numbers. In China, the number 8 is considered lucky because it s 3 ______like the word for "wealth". On the c 4______ , the number 4 is thought to be unlucky. In Western countries, people often think 7 is a lucky number. Today, numbers are used in many w 5 ______. We use them to tell time, measure things, and even to keep in t 6 ______with others. For example, we use phone numbers to call our friends. We also use numbers in science to do e 7______ . Learning about numbers can help us understand the world better. It’s interesting to d 8______ how numbers influence our lives. So next time you see a number, take a moment to think about its m 9______ . You might be s 10______ by what you find. 1.________ 2.________ 3.________ 4.________ 5._________ 6.________ 7.________ 8.________ 9.________ 10._________ 五、书面表达 假设你们学校英文报正在举办以“数字与生活”为主题的征文活动，请根据以下问题，以 “My Favorite Number” 为题，写一篇英语短文投稿。 1. What is your favorite number? 2. Why do you like this number? 3. How does this number appear in your life? 要求：1. 短文需包含所有问题要点，并适当发挥; 2. 词数 100 左右。 My Favorite Number ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ 参考答案 一、翻译 1. There are over five thousand books in this library. 2. Two-thirds of the students do exercise every day. 3. This bridge is three times as long as that one. 4. He was born on June 15th, 1998. 5. Forty percent of the energy comes from solar power. 6. Can you write this number in decimal form? 二、词汇运用 1. million 2. twelfth 3. Two-thirds 4. doubled 5. decimal 6. ninety 7. eighties 8. Thousands 9. one-third 10. number 11. third 12. twice 13. hundreds 14. percentage 15. zero 三、单项选择 1. B 2. C 3. A 4. B 5. A 四、首字母填空 1. thousands 2. keep 3. sounds 4. contrary 5. ways 6. touch 7. experiments 8. discover 9. meaning 10. surprised 五、书面表达 My Favorite Number My favorite number is 10. I love it because it’s the base of our number system, and it makes counting and calculating much easier. Also, 10 represents completeness to me—like finishing a task perfectly or having a full score in a test. In my life, 10 appears often. I wake up at 10 past 6 every morning, and my favorite cartoon has 10 seasons. Last year, I got 10 out of 10 in my English speaking test, which made me really happy. Whenever I see the number 10, it reminds me to strive for perfection in everything I do. I truly think 10 is a lucky and meaningful number for me. 学科网（北京）股份有限公司 $