Unit 4 A 课时同步训练-Section B Period 4 1a—1e-【初中必刷题】2025-2026学年八年级下册英语同步课件(人教版·新教材)

该初中英语课件聚焦八年级下册Unit 4“自然奇观”主题，涵盖词汇拼写、词形转换、语篇理解等核心知识点，通过“为何探索自然”话题导入，以“刷基础”到“刷能力”为脉络，用各地期末真题作为学习支架，衔接基础与应用。 其亮点在于融合语言能力与思维品质，完形填空（三清山经历）训练逻辑推理，阅读理解（黄河流域生态）提升信息分析，解析详细且链接重点知识。教师可直接使用分层资源，学生能夯实基础并提升综合语言运用能力。

英 语 八年级下册 RJ 1 2 3 Unit 4 The Wonders of Nature A 课时同步训练 4 Section B Why do we explore nature？ Period 4 1a—1e 5 刷基础 刷能力23分钟 D27 6 基础 Ⅰ 请根据所给的首字母或音标写出单词，使句子意思完整正确 1.The little dog s _________ in the snow for three days before we found it. 2.【2025新疆乌鲁木齐期末·节选】The temperature dropped to five d ________ last night. 3.The car is in a very good c __________ even though it is ten years old. 4.【2025云南昆明期末·节选】She carried two bags on her left __________ /ˈʃəʊldə（r）/ as she walked home. 5.People in the __________ /ˈnɔ:ð ən/ part of the country often see snow in winter. urvived egrees ondition shoulder northern 刷基础 返回目录 7 Ⅱ 请根据句子意思，用括号中所给单词的适当形式填空 6.The weather in the mountains is often very ____________ （change）, so take warm clothes. changeable 【解析】句意为：山里的天气常常变化无常，所以带上保暖的衣服。分析句子结 构可知，此处应填形容词作表语， changeable意为“多变的”，符合语境。故填 changeable。 刷基础 返回目录 8 7.【2025浙江杭州期末·节选】Many __________ （climb） reached the top of the mountain before sunset. climbers 【解析】句意为：许多登山者在日落前到达了山顶。根据句意可知，此处指“登 山者”,可数名词climber符合语境；many后跟可数名词的复数形式，故填 climbers。 8.The sudden _______ （die） of the famous singer made everyone sad. death 【解析】句意为：这位著名歌手的突然去世让每个人感到难过。分析句子结构可 知，空处应填名词作主语，表示“死亡”，故填death。 链接狂K death的详细讲解见狂K重点P22。 刷基础 返回目录 9 9.【2025云南一模】Although everyone thought it impossible, she tried her best and finished it ______________（successful）. successfully 【解析】此处修饰动词finished，应用副词，successful的副词形式为 successfully，表示“成功地”，符合语境。故填successfully。 10.【2025江苏无锡调研】An experienced fisherman advised us not to risk ______________________ （travel） in such a bad situation. travelling/traveling 【解析】固定搭配risk doing sth意为“冒险做某事”，符合语境。故填 travelling/traveling。 刷基础 返回目录 10 Ⅲ 用方框中所给单词的适当形式填空（有多余项） curious distance pull determinesimple measure 11.Her ___________ about the old book made her ask the teacher many questions. curiosity 【解析】句意为：她对那本旧书的好奇心让她向老师问了很多问题。根据made her ask the teacher many questions可知选curious；分析句子结构可知，此处 应填名词，表示“好奇心”。故填curiosity。 刷基础 返回目录 11 12.The ______________ of the classroom are twenty metres long and fifteen metres wide. measurements 【解析】根据twenty metres long and fifteen metres wide可知选measure；分 析句子结构可知，此处应用名词表示“尺寸”，measurement （尺寸）为可数名 词，结合空后的are可知填measurements。 13.【2025重庆期末·节选】Although the weather was terrible, she ____________ to finish the race. determined 【解析】根据语境可知，此处指“她决定完成比赛”，故选determine；根据was 可知，此处时态为一般过去时，故填determined。 刷基础 返回目录 12 14.Mr Huang explained the maths problem so ________ that everyone could understand it. simply 【解析】根据everyone could understand it可知选simple；分析句子结构可知， 此处作状语，应填副词。故填simply。 链接狂K simply的详细讲解见狂K重点P23。 15.【2025北京期末·节选】The long __________ between the two towns makes travel difficult. distance 【解析】由long和所给词及语境可知用distance;distance既可作不可数名词，也 可作可数名词，由makes可知此处用其单数形式表示“一段距离”。故填distance。 刷基础 返回目录 13 Ⅳ 根据汉语提示完成句子（每空一词） 16.那位探险者成功穿越了森林。 The __________ ___________ ____ going through the forest. explorer succeeded in 17.【2025安徽合肥期末·节选】山顶的温度在零度以上。 The temperature at the mountain top is _______ ______． above zero 18.他一点一点地积累经验，并变得很专业。 He accumulated experience ____ ____ ____ and became very professional. 【答案】bit by bit/little by little 刷基础 返回目录 14 19.【2025福建厦门期末·节选】这位年轻人充满雄心，计划攀登世界上最高的山峰。 The young man is ____ ____ ____ and plans to climb the highest mountain in the world. 【答案】full of/filled with ambition 20.昨天他用力把草从地里拔了出来。 He ________ the grass _____ ____ the ground with force yesterday. pulled out of 刷基础 返回目录 15 能力23分钟D27 Ⅰ 完形填空 体裁：记叙文 题材：自然 词数：251 难度:★★★ 建议用时：8分钟#1 【2025江西抚州模拟】Do you like travelling? I have been to many places. But Sanqing Mountain is the most . .1. . place in my mind. I got to the top of the mountain and I think of it as a big . .2. . in my life. Do you know the . .3. . of Sanqing Mountain? It is in the city of Shangrao, Jiangxi Province. Every year, thousands of tourists come to visit it. My dad and I went to . .4. . it in early summer five years ago. The . .5. . was surrounded 刷能力23分钟D27 返回目录 16 （围绕） by many white clouds. I . .6. . to look up while climbing at first. I didn’t think it was . .7. . enough to climb such a high mountain. . .8. . it was beautiful, I was in no mood to look at it. My legs were badly shivering because of the 3-hour walk. I . .9. . myself that I couldn’t give up climbing because it was my dream to . .10. . the top. It was . .11. . and the wind was brushing my face strongly. It was . .12. . that I succeeded in reaching the top without the help of my dad at last. Seeing the mountains with large rocks around me and the waterfalls below us, I . .13. . my success in reaching the top. I couldn’t help taking out my . .14. . to take some beautiful pictures right away. 刷能力23分钟D27 返回目录 In our lives, the top is our . .15. ..The climbing is difficult but worth your efforts. Just prepare more so that you can finally reach the top.#5 完形填空·语篇导读 本文主要讲述了作者攀登三清山的经历。 刷能力23分钟D27 返回目录 1.( ) A.boring B.unusual C.strange D.social B 【解析】根据语境以及下文对攀登三清山经历的描述可知，三清山对作者意义特 殊，unusual符合语境。故选B项。 链接狂K unusual的详细讲解见狂K重点P21。 2.( ) A.achievement B.performance C.topic D.invention A 【解析】根据语境可知，登上山顶对作者来说是一种成就，achievement符合语境。 故选A项。 3.( ) A.weather B.population C.birth D.location D 【解析】下句介绍三清山的位置，故此处询问三清山的位置。故选D项。 刷能力23分钟D27 返回目录 19 4.( ) A.reach B.climb C.move D.borrow B 【解析】句意为：五年前夏初，我和爸爸去攀登三清山。此处指“攀登”，故选B项。 5.( ) A.top B.window C.building D.river A 【解析】上文叙述“我”和爸爸去攀登三清山。故此处指山顶被白云环绕着。故 选A项。 6.( ) A.feared B.hurried C.cheated D.provided A 【解析】根据语境可知，这里描述作者攀登时的心理，结合下文可知此处应表示 害怕向上看。故选A项。 刷能力23分钟D27 返回目录 20 7.( ) A.brave B.fair C.safe D.perfect C 【解析】上文叙述“我”在开始时害怕向上看。故判断，“我”觉得爬高山可能 不够安全，safe符合语境。 8.( ) A.Because B.Although C.So D.If B 【解析】结合语境可知，此处引导让步状语从句。故选B项。 9.( ) A.encouraged B.chose C.allowed D.finished A 【解析】根据语境可知，“我”鼓励自己不能放弃攀登，因为到达山顶是“我” 的梦想。故选A项。 10.( ) A.see B.write C.reach D.climb C 【解析】根据语境可知，到达山顶是梦想，reach符合语境。故选C项。 刷能力23分钟D27 返回目录 21 11.( ) A.cold B.warm C.hot D.fine A 【解析】根据语境可知，风猛烈地吹着“我”的脸。故判断，天气是冷的。故选A项。 12.( ) A.easy B.modern C.nervous D.unbelievable D 【解析】由下文可知，在没有爸爸的帮助的情况下，“我”最后成功到达了山顶， 此处表示这令人难以置信。故选D项。 13.( ) A.owned B.achieved C.enjoyed D.accepted C 【解析】根据语境可知，看到美景，“我”享受登顶成功的喜悦。故选C项。 刷能力23分钟D27 返回目录 22 14.( ) A.camera B.invention C.tool D.umbrella A 【解析】根据to take some beautiful pictures right away可知选A项。 15.( ) A.job B.study C.dream D.rule C 【解析】根据“the top is our…”以及前文提到到达山顶是梦想可知，这里说 山顶代表梦想。故选C项。 刷能力23分钟D27 返回目录 23 Ⅱ 阅读理解 体裁：说明文 题材：自然 词数：237 难度:★★★★ 建议用时：8分钟#1 【2025辽宁沈阳模拟】 ①In the Yellow River Basin （流域）, scientists studied how human activities influence nature. They looked at the area from 2001 to 2020 and found some interesting results. ②One interesting finding was that some farmland was turned back into natural land. Because of the government’s nature-friendly programme “Grain for Green”, people are encouraged to plant more trees and grass instead of growing crops. This increased the area of natural land. The change helped to make the air fresher, the water cleaner, and the homes for animals better. 刷能力23分钟D27 返回目录 24 ③Another interesting finding was that some places of the area had both more human activities and better nature at the same time. This proves that humans and nature can develop together if humans make good choices, such as recycling rubbish and saving energy. ④The study showed that the wild nature in the Yellow River Basin also improved a lot. People started wetland protection activities and the area of wetland became larger. Many endangered birds came to live and some fish swam back. ⑤In a word, only by carrying out eco-friendly activities and making good use of the environment can humans and nature live in harmony （和谐）.#6 阅读理解·语篇导读 本文介绍了在黄河流域，科学家们研究了人类活动如何影响 自然，并发现了一些有趣的结果。 刷能力23分钟D27 返回目录 16. 写作手法 How does the writer introduce the topic in the first paragraph?( ) C A.By asking questions. B.By giving an example. C.By listing facts. D.By explaining reasons. 【解析】推理判断题。根据第一段内容可知，作者通过列举事实来引入话题。故 选C项。 刷能力23分钟D27 返回目录 26 17. 篇章结构 How is the text organized? （①= Paragraph 1; ②= Paragraph 2…）( ) B A. B. C. D. 【解析】推理判断题。文章第一段介绍了总体的发现，第二至第四段分别介绍了 研究的不同发现，最后一段总结了人类与自然和谐共处的观点。因此，选项B符合 这一结构。故选B项。 刷能力23分钟D27 返回目录 27 18.What can we infer from the text?( ) C A.Nature will get worse if human activities increase. B.Scientists will stop studying the Yellow River Basin. C.Nature can improve when humans make right choices. D.Wetlands cannot support birds and fish any more. 【解析】推理判断题。根据“only by carrying out eco-friendly activities… can humans and nature live in harmony.”可推断出，只要人类 作出正确的选择，自然是可以变好的。故选C项。 刷能力23分钟D27 返回目录 28 Ⅲ 阅读表达 体裁：说明文 题材：自然 词数：219 难度:★★★ 建议用时：7分钟#1 【2025山东枣庄模拟·节选】It’s a huge and beautiful area. Here, you can see green reeds （芦苇） waving under the blue sky. You can smell the fresh smell of the water plants. Welcome to the Poyang Lake Wetland! The name “Poyang Lake” is well-known in China. It is located in Jiangxi Province. Poyang Lake Wetland is one of the largest freshwater wetlands in Asia. It provides a habitat for a large number of wild animals and plants. 刷能力23分钟D27 返回目录 29 Every year, many birdwatchers and photographers from different cities come here. They wear wide-brimmed hats, long boots and carry telescopes. Boats are their tools for exploring. The temperature there is changeable. It is warm in spring and autumn, but hot in summer and cold in winter. In summer, the water level may rise a lot. There are various birds in the wetland. Not all birds can stay here all year round, although you can see some swans. Swans have thick feathers to keep them warm in cold weather. They are very elegant and create a beautiful scene in the wetland. People call Poyang Lake Wetland “the Paradise of Birds”. There are also many fish in the lake. The wetland’s water is rich in nutrients, which helps the fish to grow healthily.#1.6 阅读表达·语篇导读 本文主要介绍了鄱阳湖湿地的相关内容。 刷能力23分钟D27 返回目录 19.What can you see and what can you smell in the Poyang Lake Wetland? __________________________________________________ Green reeds and the fresh smell of water plants. 【解析】根据“Here, you can see green reeds waving under the blue sky.You can smell the fresh smell of the water plants.”可知答案。 20.Who come here every year? ____________________________________________________________ Many birdwatchers and photographers from different cities. 【解析】根据“Every year, many birdwatchers and photographers from different cities come here.”可知，每年都有许多来自不同城市的观鸟爱好者 和摄影师来到这里。 刷能力23分钟D27 返回目录 31 21.How does the temperature here change? ____________________________________________________________________ It’s warm in spring and autumn, hot in summer and cold in winter. 【解析】根据“It is warm in spring and autumn, but hot in summer and cold in winter.In summer, the water level may rise a lot.”可知，春秋温 暖，夏季炎热，冬季寒冷。 刷能力23分钟D27 返回目录 32 22.Can swans stay here all year round? Why? ______________________________________________________________ Yes, they can.Because they have thick feathers to keep warm. 【解析】根据“… although you can see some swans.Swans have thick feathers to keep them warm in cold weather.”可知，天鹅有厚实的羽毛使它 们在寒冷天气保持温暖，所以它们能全年待在那里。 23.What’s the reason that there are many fish in the lake? ____________________________________________________ Because the wetland’s water is rich in nutrients. 【解析】根据最后一段可知，湿地水域营养丰富，有助于鱼类健康生长。 刷能力23分钟D27 返回目录 33 $