Unit 4 Section B (3a-4d) 同步练习2026-2027学年人教版英语八年级上册

**基本信息** 本练习通过“练基础”“练提升”分层设计，构建“词汇→句型→语篇”的知识巩固路径，兼顾语言能力培养与文化意识渗透。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |练基础|词汇拼写（含地域/传统文化情境）、基础句型（固定搭配、同级比较等）|结合上海外滩、春节等文化元素，教材原句仿写强化语言应用| |练提升|语篇理解（细节查找、推理判断）、句式转换与仿写|新考法推理题培养思维品质，more than改写提升语言灵活性|

Unit 4 Section B (3a-4d) 同步练习2026-2027学年八年级上册 练基础 Ⅰ. 根据首字母及汉语提示，完成下列单词的拼写 1. [地域特色] We can enjoy the beautiful view of the Huangpu River and the vast O_______ (大洋) beyond while walking along the Bund in Shanghai. 2. [传统文化] B_______ (除……之外) the Spring Festival, the Mid-Autumn Festival is also very important in China. 3. Through the camera lens（镜头）, we could see a t_______ (微小的) insect on the leaf. 4. [俗语运用] A l_______ (生机勃勃的) city needs not only tall buildings but also green parks. 5. The heavy rain l_______ (持续) for three days and nights, causing serious traffic problems. Ⅱ. 根据汉语意思或提示完成句子 6. 我们必须努力不辜负老师的信任。 We must work hard to _______ _______ _______ the trust of our teachers. 7. 这只小猫和那只小狗一样可爱。 This little cat is _______ _______ _______ that little dog. 8. 那个科学家花费数年时间研究如何保护珊瑚礁。（提示：spend...doing...） That scientist spent years _______ _______ _______ _______ coral reefs. 9. （教材原句仿写）I saw many colorful fish swimming in the sea. 仿写：我看见一只老鹰在天空中飞翔。 I _______ an eagle _______ in the sky. 10. （教材原句仿写）The best things in life are free. 仿写：生活中最美好的回忆是免费的。 The _______ _______ in life are free. 练提升 Ⅲ. 阅读理解。 阅读下面短文，并用英语回答问题（请注意每小题的词数要求）。 Who is the "Ocean Cleaner"? Do you think one person can make a difference to the world? ①_______ Many people might say no. But Boyan Slat, a young man from the Netherlands, proves（证明）that it is possible. He is known as the "Ocean Cleaner". Boyan was shocked when he went diving（潜水）in Greece and saw more plastic bags than fish in the sea. He decided to do something about it. At the age of 18, he started a project called "The Ocean Cleanup". ②_______ His dream is to clean up all the plastic in the ocean. His team developed a special machine that can collect plastic waste from the water. It is not easy work. They have faced many difficulties, such as bad weather and money problems. However, Boyan never gave up. Now, his machines are working in the Pacific Ocean. He hopes that by 2040, the ocean will be much cleaner than it is today. 11. Why did Boyan start "The Ocean Cleanup" project? (不超过15个词) 12. What does Boyan's machine do to help the ocean? (不超过10个词) 13. 请在文中空白处填入一个合适的句子，使上下文通顺。(不超过10个词) ① _________________________________________________ 请在完成阅读理解的基础上完成下面小题。 14. [新考法·推理判断] What can we infer（推断）from the passage? A. Boyan is a rich businessman. B. Cleaning the ocean is a difficult job. C. There is no plastic in the Pacific now. D. Fish like eating plastic bags. 15. 请用 more than 改写文中②处画线句子。 ② _________________________________________________ 16. [仿写句子] I have a goal. I want to reduce waste in my school. (请仿照②处画线句子升级句子) My goal is to ________________________________________. 【参考答案及解析】 Ⅰ. 单词拼写 1. Ocean (黄浦江流入东海，此处指大洋，首字母大写) 2. Besides (介词，表示“除……之外”，注意首字母大写) 3. tiny (形容词，意为“微小的”) 4. lively (形容词，意为“生机勃勃的”，注意以-ly结尾却是形容词) 5. lasted (动词，意为“持续”，根据语境用过去式) Ⅱ. 完成句子 6. live up to (固定短语“不辜负/达到”) 7. as lovely/cute as (同级比较结构 as + adj. + as) 8. studying how to protect (spend time (in) doing sth.，且“如何做某事”用 how to do) 9. saw; flying (考查 see sb. doing sth. 看见某人正在做某事) 10. best memories (形容词最高级修饰名词，memory 需用复数形式) Ⅲ. 阅读理解 11. Because he saw more plastic bags than fish in the sea. (解析：定位第二段首句，他在希腊潜水时看到塑料袋比鱼还多。) 12. It collects plastic waste from the water. (解析：定位第二段最后一句，机器能从水中收集塑料垃圾。) 13. Do you believe it? (解析：第一段开头提出问题，引起读者思考，随后引出主人公的故事。答案不唯一，只要是疑问句且符合语境即可。) 14. B (解析：推理判断题。根据第三段 "It is not easy work. They have faced many difficulties..." 可知清理海洋是一项困难的工作。) 15. His dream is to clean up more than just the plastic in the ocean. (或者 More than cleaning up the plastic in the ocean is his dream.) (解析：考查 more than 的用法，意为“不仅仅”。) 16. reduce waste in my school. (解析：仿写结构 My goal is to + 动词原形...。) 学科网（北京）股份有限公司 $