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)浙江专用

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（如climbers, survival）、语法（名词、副词转换）及阅读、完形等核心知识点。通过“刷基础”的词汇填空、语法练习搭建学习支架，逐步过渡到“刷能力”的综合题型，帮助学生构建从基础到应用的知识脉络。 其亮点在于分层训练与真题融合，精选浙江各地期末/模拟题，通过死海说明文、观云者记叙文等自然主题语篇，提升学生语言理解与思维分析能力。详细解析链接知识点，培养学习策略，既助力学生巩固基础、提升综合素养，也为教师提供丰富教学资源，提高课堂效率。

英 语 八年级下册 人教版 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 6 基础 Ⅰ 根据句意及汉语提示填写单词 1.【2025浙江嘉兴期末】He felt like there was a heavy weight on his _______________ （肩膀） as he knew the sadness of his dear friend. 2.I hope the _______ （上面的） suggestions could be helpful in improving your English. 3.【2025浙江杭州模拟】All his ___________ （队友） nodded in agreement that they should pull together to win. shoulder（s） above teammates 刷基础 返回目录 7 4.To save people’s lives, the doctors are _________ （冒险） their lives to do research. risking 【解析】链接狂K risk的详细讲解见狂K重点P22。 5.Night temperatures can drop below 15 _________ （度数） Celsius during cold days. degrees 刷基础 返回目录 8 Ⅱ 用括号内所给单词的适当形式填空 6.【2025浙江金华期末】All these __________ （climb） tried their best to reach the top of the mountain. climbers 【解析】句意为：所有这些攀登者都尽了最大的努力到达山顶。根据reach the top of the mountain可知，这里指攀登者。climber为可数名词，these后用复数 名词。故填climbers。 刷基础 返回目录 9 7.【2025浙江绍兴期末】The little girl cried when she heard about her dog’s _______ （die） yesterday. death 【解析】句意为：小女孩昨天听到她的狗的死亡时哭了。名词所有格后用名词， death在此处表示“死亡”，作不可数名词。故填death。 链接狂K death的详细讲解见狂K重点P22。 8.It is a natural __________ （survive） strategy for birds to fly to warmer places each year. survival 【解析】句意为：每年飞往更温暖的地方是鸟类的自然生存策略。a survival strategy意为“生存策略”，是固定搭配。故填survival。 刷基础 返回目录 10 9.【2025浙江嘉兴二模·节选】Thanks to the scientists’ hard work, Chang’e-6 was sent to space ______________ （success）. successfully 【解析】句意为：由于科学家们的辛勤工作，嫦娥六号被成功送入太空。空处应 用副词修饰动词且表示“成功地”，故填successfully。 10.The weather was ____________ （change） but the trip was enjoyable. changeable 【解析】句意为：天气变化无常，但这次旅行令人愉快。根据The weather was可 知，空处应用形容词作表语。故填changeable。 刷基础 返回目录 11 11.Marco Polo was one of the most famous ___________ （explore） in the West world. explorers 【解析】句意为：马可·波罗是西方世界最著名的探险家之一。根据语境可知， 此处表示“探险家”。“one of the+形容词最高级+可数名词复数”意为 “最……的……之一”，故填explorers。 12.I decided to try bungee jumping out of ___________ （curious）. curiosity 【解析】句意为：出于好奇，我决定试试蹦极。固定搭配out of curiosity意为 “出于好奇”，故填curiosity。 13.It turned out that the reporter ________ （simple） made up the story. simply 【解析】句意为：结果发现那个记者仅仅编造了这个故事。空处应用副词修饰动 词，故填simply。 刷基础 返回目录 12 Ⅲ 根据句意，用合适的词完成句子（每空限填一词） 14.Plan your time wisely so that you can keep a balance between your schoolwork _____ hobbies. and 【解析】句意为：明智地规划你的时间，这样你就能在学业和爱好之间保持平衡。 “between… and…”意为“在……和……之间”，为固定搭配，故填and。 15.【2025浙江绍兴期中】AI is developing so quickly ______ no one can tell what it will be like in ten years. that 【解析】句意为：人工智能发展如此之快，以至于没人能说清十年后它会是什么 样子。“so… that…”意为“如此……以至于……”，为固定搭配，故填that。 刷基础 返回目录 13 16.Which country is older, China ____ America? or 【解析】句意为：哪个国家更古老，中国还是美国？分析句子可知，此处表示选 择，故填or。 17.I read an article __________ the Nile. It’s the longest river in the world. about/on 【解析】句意为：我读了一篇关于尼罗河的文章。它是世界上最长的河流。此处 表示关于尼罗河的文章，故填about/on。 18.—Look, the children are pulling themselves ____ the rocks over there. —How dangerous! up 【解析】句意为：——看，孩子们正从那边攀岩。——多危险啊！pull oneself up意为“把自己拉上去”，为固定搭配，故填up。 刷基础 返回目录 14 Ⅳ 根据汉语提示完成句子（每空一词） 19.中国是世界上最古老的国家之一。 China is _____ ____ _____ ________ countries in the world. one of the oldest 20.我逐渐明白了他们想要干什么。 ____________ ____ ____________, I began to understand what they wanted to do. Bit/Little by bit/little 21.我想他改天就会处理这个问题。 I think he’s just going to _________ ___________ this problem another day. deal/do with/with 22.我决心要去，无论有什么困难。 I was ____________ ____ ____, come hell or high water. determined to go 23.他变得对英语越来越感兴趣。 He is becoming ______ _____ ______ ____________ in English. more and more interested 刷基础 返回目录 15 能力 Ⅰ 阅读理解 体裁：说明文 题材：自然 词数：278 难度:★★★ 建议用时：8分钟#1 【2025浙江金华期末】Do you want to see the Dead Sea? It is one of the most amazing places on earth. But why is it called the Dead Sea? Can anything live in it? Can people swim there? Let’s find out! The Dead Sea is not really a sea—it’s a lake in the Middle East. It is the lowest place on land, about 400 metres below sea level. Hot, dry desert surrounds （包围） the lake. 刷能力 返回目录 16 Because the weather is hot, water evaporates （蒸发） quickly. But the lake doesn’t get enough new water. So the water level gets lower, and lots of salt is left behind. The Dead Sea is saltier than the ocean! Because it’s so salty, fish and other animals can’t live there. Only a few bacteria （细菌） can. The salt also forms crystals （晶体） on the shore, making it hard for animals to come close. It’s so salty. Why do people go there? Actually, it is really safe for people. You can even go swimming there if you want. Although it’s pretty hard to swim, all that salt in the water makes it much easier for people to float. Want to know more about it? Just explore it yourself!#7 阅读理解A·语篇导读 本文介绍了死海的相关情况。 刷能力 返回目录 1.What can you learn about the Dead Sea from the passage?( ) D A.It’s near the Middle East. B.It’s far from the desert. C.It’s 11 kilometres wide. D.It’s the lowest point on land. 【解析】细节理解题。根据It is the lowest place on land可知，死海是地表 最低点，故选D项。 链接狂K 形容词和副词的最高级的详细讲解见狂K重点P25。 刷能力 返回目录 18 2.What’s the main idea of Paragraph 3?( ) B A.Who might come to the Dead Sea. B.How the Dead Sea gets so salty. C.Why fish can’t live in the Dead Sea. D.Why the Dead Sea is like a cloud of fog. 【解析】主旨大意题。第三段主要介绍了死海是如何变咸的。故选B项。 3.What does the underlined word “float” mean in Chinese?( ) C A.逃跑 B.挣脱 C.漂浮 D.陷入 【解析】词义猜测题。根据语境可知，尽管游泳相当困难，但水中所有的盐让人 更容易漂浮。float意为“漂浮”。故选C项。 刷能力 返回目录 19 4. 篇章结构 What’s the structure of the passage? （Paragraph 1=①, Paragraph 2=②…） ( ) C A. B. C. D. 【解析】推理判断题。通读全文可知，开头引出死海的话题，中间介绍死海成因 等具体情况，最后引导读者继续探知死海情况。故选C项。 刷能力 返回目录 20 Ⅱ 完形填空 体裁：记叙文 题材：天气 词数：226 难度:★★★ 建议用时：7分钟#1 【2025浙江杭州期中】Clouds often appear in the . .5. ., but do you really stop to . .6. . at them? Do you wonder their names? The activity is called cloud spotting （观云）. Ji Yun is a cloud spotter in Beijing. He enjoys . .7. . about clouds, such as knowing their names according to their . .8. .. Ji loves . .9. . deeply. He began to find out more about the beauty of clouds after taking some photos of a solar halo （日晕）. “I can’t stop myself from . .10. . them,” said Ji. 刷能力 返回目录 21 In October 2013, Ji got a（n） . .11. . from a friend. There were very . .12. . clouds—asperitas clouds （阿斯帕拉图斯云）—in Beijing, and they were quickly going southeast. “. .13. . I got the information, I rushed out of my home,” Ji said.. .14. . a second thought, he took a high-speed train to Tianjin. At that time, the trains weren’t as . .15. . as today. In the end, he . .16. . took photos of the clouds. The cloud was one of the world’s . .17. . 10 rarest （罕见的） clouds. Ji’s story made . .18. . popular. Around that time, he created some WeChat groups to . .19. . the same love for clouds with fans. He said, “Can a cloud or an evening sky make you stop and look up? If yes, please join us.”#6 完形填空·语篇导读 本文描述了观云者计云对云的热爱。 刷能力 返回目录 5.( ) A.land B.sky C.ocean D.desert B 【解析】句意为：云经常出现在天空中，但你真的停下来仰望它们吗？根据常识 可知云出现在天空中。故选B项。 6.( ) A.look into B.look for C.look up D.look down C 【解析】此处指看天上的云，应表示向上看，故选C项。 7.( ) A.learning B.bringing C.talking D.worrying A 【解析】句意为：他喜欢学习关于云的知识，比如根据它们的形状知道它们的名 字。根据语境可知，他喜欢学习关于云的知识。故选A项。 刷能力 返回目录 23 8.( ) A.seasons B.time C.sizes D.shapes D 【解析】根据such as knowing their names及常识可知，此处指根据形状来了解 云的名字。故选D项。 9.( ) A.nature B.music C.sport D.art A 【解析】根据他对云的喜爱可知，计云非常热爱自然。故选A项。 10.( ) A.feeling B.discussing C.researching D.looking C 【解析】句意为：我无法阻止自己研究它们。根据上文He began to find out more about the beauty of clouds可知，他无法停止研究云。故选C项。 刷能力 返回目录 24 11.( ) A.notice B.advice C.opinion D.message D 【解析】句意为：2013年10月，计云收到来自朋友的一条信息。根据下文可知， 此处指他收到朋友的一条信息。故选D项。 12.( ) A.dark B.special C.normal D.terrible B 【解析】根据本段最后一句可知，这些云是特别的。故选B项。 13.( ) A.Before B.Until C.Unless D.As soon as D 【解析】句意为：一收到信息，我就冲出了家…… 根据上文内容可知，他热爱云， 所以一收到信息就冲出家去看云。故选D项。 刷能力 返回目录 25 14.( ) A.With B.Without C.At D.In B 【解析】句意为：他毫不犹豫地乘坐高铁去了天津。without a second thought 意为“毫不犹豫”，符合语境。故选B项。 15.( ) A.big B.long C.small D.common D 【解析】根据In October 2013和语境可知，此处表示那时火车不像今天这么普遍。 故选D项。 16.( ) A.gradually B.successfully C.hardly D.easily B 【解析】句意为：最后，他成功地拍到了这些云的照片。根据In the end及语境 可知，此处表示他成功拍到了云。故选B项。 刷能力 返回目录 26 17.( ) A.famous B.beautiful C.top D.nice C 【解析】句意为：这种云是世界上排名前十的罕见云之一。数词位于空后，top在 此处表示“（级别）最高的”，符合语境。故选C项。 18.( ) A.him B.her C.you D.them A 【解析】句意为：计云的故事让他很受欢迎。此处指计云，根据上下文可知用him。 故选A项。 19.( ) A.send B.tell C.write D.share D 【解析】根据语境可知此处表示和粉丝分享对云同样的热爱。“share… with…” 意为“与……分享……”。故选D项。 刷能力 返回目录 27 Ⅲ 任务型阅读 体裁：说明文 题材：自然 词数：162 难度:★★★ 建议用时：6分钟#1 阅读下面材料，从方框中所给的A—E五个选项中选出正确选项（其中一项是 多余选项），将其序号填入第20~23小题，并回答第24小题。 【2025浙江温州期末】When talking about big waterfalls, you may think of Niagara Falls, Angel Falls or Iguazu Falls. However, compared to the Denmark Strait Cataract, all of these are small. . .20. . Why? Because it hides underwater. It is very wide, and its water drops about 3,500 metres. It is much higher than Angel Falls. Angel Falls is the tallest waterfall on land. 刷能力 返回目录 28 . .21. . Glaciers （冰川） provided the right conditions for it. The waterfall forms （形成） when cold water from the Arctic Ocean meets warm water from the Atlantic Ocean. The cold water is heavier and goes down quickly.. .22. . The Denmark Strait Cataract plays an important role in moving the ocean water around the world. This helps control the earth’s weather. For example, it changes things like rain and temperature. It also gives sea animals food to live. . .23. . It is a challenge for scientists to study it. They need special tools to do their research.#1.1.1.4 刷能力 返回目录 A.The waterfall is huge and underwater. B.Every year, these waterfalls attract many visitors. C.You cannot see the Denmark Strait Cataract easily. D.This makes a strong flow （流动） along the ocean floor. E.This underwater waterfall appeared a very long time ago. 任务型阅读·语篇导读 本文主要介绍了丹麦海峡瀑布。 20. ___ C 【解析】根据“Why? Because it hides underwater.”并结合选项可知，空处应 该说明瀑布位于水下导致的结果。C项（你不能很容易地看到丹麦海峡瀑布。）符 合语境。故选C项。 刷能力 返回目录 30 21. ___ E 【解析】根据“Glaciers provided the right conditions for it.The waterfall forms when cold water from the Arctic Ocean meets warm water from the Atlantic Ocean.”可知，空处应该与瀑布的形成有关。E项（这个地下 瀑布在很长时间以前就形成了。）符合语境。故选E项。 易混辨析 form v.形成 from prep.从；自；由 刷能力 返回目录 31 22. ___ D 【解析】根据上一句“The cold water is heavier and goes down quickly.” 可知，此处应进一步叙述冷热水对流导致的结果，D项符合语境。故选D项。 23. ___ A 【解析】根据后一句“It is a challenge for scientists to study it.”可知 此处应提到它的研究难度，A项（这个瀑布很大，并且在水下。）符合语境。故选 A项。 刷能力 返回目录 32 24.Do you think the waterfall is important or not? Why?（不超过15词） _______________________________________________________________________ _________________ It’s important.Because it keeps the climate working properly and feeds ocean life./… 【解析】开放性试题，言之有理且无语法错误即可。 刷能力 返回目录 33 $