Unit 2 Amazing numbers Section 1 Experiencing and understanding language 同步练习2026-2027学年沪教版八年级英语上册

**基本信息** 初中英语八年级上册Unit 2同步练，适配新授课，分层设计从基础词汇到语篇综合，梯度清晰，通过词形转换、句型转换及语篇填空构建知识巩固路径，助力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| |----|----------|----------| |基础认知|核心词汇变形与短语（词形转换、重点短语）|单一知识点直接考查，夯实词汇基础| |基础应用|词汇语法在语境中的应用（词/短语填空、完成句子）|提供语境支架，强化语法规则应用| |综合运用|语篇连贯与句式转换（句型转换、语篇填空、补全对话）|结合单元主题“amazing numbers”，提升综合语言运用能力|

沪教版初中英语八年级上册 Unit 2 Amazing numbers Section 1 Experiencing and understanding language 同步练习 一、词形转换 1. million ________(复数) 2. double ________(n. 两倍；双份) 3. increase ________(n. 增长；增加) 4. exact ________(adv. 精确地；确切地) 5. billion ________(复数) 6. decrease ________(n. 减少；下降) 7. wonder ________(adj. 奇妙的；精彩的) 8. describe ________(n. 描述；形容) 9. rapid ________(adv. 迅速地；快速地) 10. population ________(adj. 人口稠密的) 二、用所给词的适当形式填空 1. The number of tourists in this city has reached two ________(million) this year. 2. The price of houses ________(double) in the past five years. 3. There has been a sharp ________(increase) in the local population since 2010. 4. Can you tell me the ________(exact) number of students in your class? 5. Over three ________(billion) people live in Asia now. 6. The ________(decrease) in rainfall has caused drought in some areas. 7. It’s a ________(wonder) experience to see the huge numbers of birds migrating. 8. Please give a brief ________(describe) of the amazing number facts you know. 9. The city has developed ________(rapid) in recent years. 10. China is one of the most ________(populous) countries in the world. 三、重点短语 1. 数百万 ________________ 2. 增长两倍 ________________ 3. 确切数字 ________________ 4. 人口增长 ________________ 5. 减少到 ________________ 6. 奇妙的数字事实 ________________ 7. 超过十亿 ________________ 8. 描述变化 ________________ 9. 迅速发展 ________________ 10. 两倍多 ________________ 四、用所给短语的适当形式填空 millions of, double the growth, exact number, population increase, decrease to, amazing number facts, over one billion, describe the changes, develop rapidly, more than twice 1. ________ people around the world use the Internet every day. 2. The company hopes to ________ in the next three years. 3. Could you tell me the ________ of books in the library? 4. The ________ has brought more challenges to the city’s public services. 5. The temperature will ________ 10 degrees Celsius tomorrow. 6. Our teacher told us some ________ in class yesterday. 7. ________ people live in China, which is the most populous country. 8. You need to ________ of the city’s economy in your report. 9. With good policies, the small town has ________ in the last decade. 10. The new stadium can hold ________ the number of people as the old one. 五、按要求完成句子 double / increase / exact / wonder / describe / rapid 1. The student’s score ________ from 60 to 90 after hard work. 2. It’s a ________ to see how fast technology develops. 3. Can you give me the ________ time of the train’s arrival? 4. The price of vegetables will ________ soon because of bad weather. 5. Please ________ the amazing number facts you learned. 6. The city has made ________ progress in environmental protection. 六、句型转换 1. The population of this town has reached 50,000.（对划线部分提问） ________ ________ the population of this town? 2. The number of cars increased by 20% last year.（改为同义句） There was a 20% ________ ________ the number of cars last year. 3. We have learned many amazing number facts.（改为一般疑问句） ________ you ________ many amazing number facts? 4. People use millions of plastic bags every day.（改为被动语态） Millions of plastic bags ________ ________ every day. 5. The temperature doubled in just two hours.（用现在完成时改写） The temperature ________ ________ in just two hours. 七、改错（每句一处错误，划出并改正） 1. There are million of stars in the sky. ____________________________________________________________________ 2. The number of students in our class are 45. ____________________________________________________________________ 3. The price of meat has double since last month. ____________________________________________________________________ 4. He can tell us a exact number of the visitors. ____________________________________________________________________ 5. The population of China is larger than Japan. ____________________________________________________________________ 八、重点句子翻译 1. 数百万的人生活在这个美丽的城市里。 ____________________________________________________________________ 2. 过去十年里，这个地区的人口增长了一倍。 ____________________________________________________________________ 3. 你能告诉我这个图书馆的确切图书数量吗？ ____________________________________________________________________ 4. 温度将在明天降到15摄氏度。 ____________________________________________________________________ 5. 老师给我们讲了一些关于奇妙数字的事实。 ____________________________________________________________________ 6. 中国的人口超过14亿。 ____________________________________________________________________ 九、语篇填空 阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。 amazing, over, billion, populous, increase, double, exact, develop, decrease, describe, fact, interesting, learn Numbers are everywhere and some of them are really 1.________. For example,2. ________ 1.4 3.________ people live in China, which is the most4. ________ country in the world. In the last twenty years, the number of college students has5. ________ quickly. It has almost 6.________ since 2000. Can you tell me the 7.________ number of graduates this year? Some cities have 8.________ rapidly, leading to a sharp 9.________ in population. However, in some small towns, the population has 10.________ because more people move to big cities. Our teacher often 11.________ these 12.________ number 13.________ to us. She says if we pay attention to numbers, we can14. ________ more about the world around us. 十、补全对话 根据下面的对话情景，在每个空白处填上一个恰当的句子，使对话的意思连贯、完整。 A: Do you know any amazing number facts? B: Amazing number facts? 1. ________________________? A: For example, the number of stars in the sky is millions of times larger than we think. B: Wow, that’s really amazing! 2. ________________________? A: Another fact is that the population of India will double by 2050. B: That’s hard to believe. 3. ________________________? A: Yes, it’s reported by the United Nations. B: 4. ________________________? A: I learned these facts from a science magazine. B: 5. ________________________. I should read more magazines like that. 参考答案 一、词形转换 1. millions 2. double 3. increase 4. exactly 5. billions 6. decrease 7. wonderful 8. description 9. rapidly 10. populous 二、用所给词的适当形式填空 1. million 2. has doubled 3. increase 4. exact 5. billion 6. decrease 7. wonderful 8. description 9. rapidly 10. populous 三、重点短语 1. millions of 2. double the growth 3. exact number 4. population increase 5. decrease to 6. amazing number facts 7. over one billion 8. describe the changes 9. develop rapidly 10. more than twice 四、用所给短语的适当形式填空 1. Millions of 2. double the growth 3. exact number 4. population increase 5. decrease to 6. amazing number facts 7. Over one billion 8. describe the changes 9. developed rapidly 10. more than twice 五、按要求完成句子 1. increased 2. wonder 3. exact 4. double 5. describe 6. rapid 六、句型转换 1. What is 2. increase in 3. Have; learned 4. are used 5. has doubled 七、改错 1. 划出：million → 改正：millions（固定短语millions of表示“数百万的”） 2. 划出：are → 改正：is（the number of后接谓语动词单数形式） 3. 划出：double → 改正：doubled（现在完成时结构为have/has+过去分词） 4. 划出：a → 改正：an（exact以元音音素开头，用不定冠词an） 5. 划出：Japan → 改正：that of Japan（比较对象需一致，此处比较的是人口） 八、重点句子翻译 1. Millions of people live in this beautiful city. 2. The population of this area has doubled in the past ten years. 3. Can you tell me the exact number of books in this library? 4. The temperature will decrease to 15 degrees Celsius tomorrow. 5. Our teacher told us some amazing facts about numbers. 6. The population of China is over 1.4 billion. 九、语篇填空 1. amazing 2. over 3. billion 4. populous 5. increased 6. doubled 7. exact 8. developed 9. increase 10. decreased 11. describes 12. interesting 13. facts 14. learn 十、补全对话（参考合理答案） 1. What do you mean 2. Can you tell me another one 3. Is that true 4. Where did you learn these facts 5. That’s really interesting 学科网（北京）股份有限公司 $