Unit 5 A 课时同步训练-Understanding ideas （Reading Ⅱ）-【初中必刷题】2025-2026学年八年级下册英语同步课件(外研版·新教材)

该初中英语课件围绕八年级下册Unit 5“Looking into nature”主题，整合词汇运用、语法练习及语篇理解等核心知识点，通过“刷基础”中的单词适当形式填空、翻译句子等基础训练，为“刷能力”的完形填空、阅读理解搭建学习支架，帮助学生逐步掌握自然主题相关语言知识。 其特色在于分层设计与真题结合，基础部分提供详细解析及知识拓展，如“疑问词+动词不定式”结构讲解，能力部分选用2025各地期末、三模真题，通过自然保护区AI应用、动物科普等语篇，提升学生语言能力与思维品质。学生能夯实基础并学会分析问题，教师可利用同步训练高效检测教学效果。

英 语 八年级下册 WY 1 2 3 Unit 5 Looking into nature 4 A 课时同步训练 Understanding ideas （Reading Ⅱ） 5 刷基础 刷能力 6 基础 Ⅰ 用括号内所给单词的适当形式填空 1.I’m not sure whether ___________ （accept）his invitation. to accept 【解析】句意为：我不确定是否接受他的邀请。此处为“疑问词+动词不定式”结 构，故填to accept。 2.【2025广东深圳期末】They have the ________ （believe） that they will finally find a new home on earth. belief 【解析】冠词the后应跟名词，believe的名词形式为belief，意为“观点”；此 处应用其单数形式，故填belief。 刷基础 返回目录 7 3.These ____________ （newspaper） can provide some information for your report. newspapers 【解析】句意为：这些报纸可以为你的报道提供一些信息。newspaper是可数名词， 空前有These，故填newspapers。 4.David often reads books about _________ （Africa） history and culture. African 【解析】空处应用形容词修饰history and culture，African意为“非洲的”， 故填African。 5.【2025上海期末】Luckily, online lessons enable children to ________ （lock） their learning skills nowadays. unlock 【解析】根据Luckily可知,此处指“解锁学习技能”；enable sb to do sth为固 定搭配，故填unlock。 刷基础 返回目录 8 Ⅱ 用方框中所给单词的适当形式填空（方框中有两个词为多余项） find method play liveargue discover lock 6.I could suggest many different _________ to help you to do this. methods 【解析】句意为：我能推荐许多不同的方法来帮助你做这个。根据to help you to do this并结合备选词可知，此处指“方法”，应选method;结合many可知，此 处应用method的复数形式，故填methods。 刷基础 返回目录 9 7.【2025安徽合肥调研】The little poor girl hid in the shelter to keep herself _______. alive 【解析】根据hid in the shelter to keep herself并结合备选词可知，此处指 “让自己活着”，应选live；“keep+宾语+形容词”为固定结构，表示“使…… 处于某种状态”，alive表示“活着的”，符合语境，故填alive。 知识拓展 alive是形容词，意为“活着的；有活力的”，作表语或后置定语。 8.A（n） __________ between them is about how to communicate with each other. argument 【解析】句意为：他们之间的一个争论是关于如何相互交流。根据语境并结合备 选词可知，此处指“争论”，应选argue；结合A（n）可知，此处应用单数名词， 故填argument。 刷基础 返回目录 10 9.【2025云南昆明期末】Marie Curie’s ___________ of radium （镭） is a great event in science history. discovery 【解析】根据“Marie Curie’s… of radium”并结合备选词可知,此处指“镭的 发现”，应选discover；此处应用其名词形式，结合is，故填discovery。 链接狂K discover的详细讲解见狂K重点P22。 10.The _________ of this study shows that exercise is good for our health. finding 【解析】根据shows that exercise is good for our health并结合备选词可知， 此处指“这项研究的发现”，应选find；根据“The… of”可知，此处应填名词； 结合shows，故填finding。 刷基础 返回目录 11 Ⅲ 翻译句子 11.多亏了你的帮助，我才能够按时完成这个项目。（thanks to） ________________________________________________________________ Thanks to your help, I was able to finish the project on time. 12.她不再住在这个城市了，因为她去年搬到了上海。（no longer） _______________________________________________________________________ _______ She no longer lives in this city, because she moved to Shanghai last year. 13.科学家们正在寻找保护环境的新方法。（look for） _______________________________________________________________________ _____________________________ The scientists are looking for new ways/ methods to protect/of protecting the environment. 刷基础 返回目录 12 14.取得好成绩的关键是每天努力学习。（the key to） ____________________________________________________________ The key to getting good grades is to study hard every day. 15.我想要一块蛋糕当甜点。（a piece of） ________________________________________ I’d like a piece of cake for dessert. 刷基础 返回目录 13 Ⅳ 根据短文内容，用方框中所给单词的正确形式填空，使短文完整 正确（每词限用一次） 【2025陕西咸阳期末】#1 be happy notice rhino safe dollar weigh friend kill protect Osita, a baby rhino drew Mitchell’s attention in 2022.The 16. __________ mother left it behind. It would soon die without any help. What a poor animal it 17. _____! Mitchell hoped to help the rhino. With friends, he sent it to a wildlife zoo. Later, he raised 700 18. _________ for Osita. rhino’s was dollars 刷基础 返回目录 14 Every weekend, Mitchell visits Osita and plays with it. Osita grows 19. _________ and healthily there. Do you wonder its current （现在的） weight? It 20. ________ about 600 kilos. Since 2022, Mitchell has 21. _________ lots of news about wild animals— every year, a large number of animals are hunted and 22. ________.It’s urgent （紧迫的） to create a much 23. _______ environment for them. So Mitchell set up a website and shared his ideas online. He also invited many people to join him to 24. _________ the wild animals. It is helpful. More and more people are becoming25. __________ to the wildlife. Do you want to be one of them?#1.1.3 语篇导读 本文讲述了米切尔救助小犀牛并由此投身野生动物保护事业的故事。 happily weighs noticed killed safer protect friendly 刷基础 返回目录 16. __________ rhino’s 【解析】根据“Osita, a baby rhino drew Mitchell’s attention in 2022.” 及备选词可知，此处指小犀牛的妈妈，应用rhino的名词所有格形式。故填 rhino’s。 知识拓展 draw attention to sb意为“引起对某人的关注”。 17. _____ was 【解析】句意为：它是多么可怜的动物啊！此处是感叹句，结构为 “What+a/an+adj.+n.+主语+谓语”；结合备选词可知，此处用be动词；时态是一 般过去时，主语是it，be动词用was。故填was。 刷基础 返回目录 16 18. _________ dollars 【解析】根据“he raised 700… for Osita”及备选词可知，此处指筹集了700 美元；dollar为可数名词，700后跟复数名词，故填dollars。 19. _________ happily 【解析】根据“Osita grows… and healthily there.”及备选词可知，此处指 快乐健康地成长，应选happy；此处修饰动词grows，应用副词happily。故填 happily。 刷基础 返回目录 17 20. ________ weighs 【解析】句意为：它重约600千克。根据about 600 kilos及备选词可知，此处应 选weigh；时态是一般现在时，主语是It，谓语动词用第三人称单数形式。故填 weighs。 知识拓展 weight作名词，意为“重量”。 21. _________ noticed 【解析】句意为：自2022年以来，米切尔注意到很多关于野生动物的新闻…… 根 据lots of news about wild animals及备选词可知，此处指注意到很多关于野生 动物的新闻，notice意为“注意”；has后应跟动词的过去分词形式，故填 noticed。 刷基础 返回目录 18 22. ________ killed 【解析】根据a large number of animals are hunted and及备选词可知，此处 指动物被猎杀，kill意为“杀死”；此处是被动语态，应用过去分词。故填 killed。 23. _______ safer 【解析】此处修饰名词，应用形容词；根据“a much… environment”及备选词 可知，此处指为动物们创造更安全的环境，safe意为“安全的”；much修饰比较 级，故填safer。 24. _________ protect 【解析】根据the wild animals及备选词可知，此处指保护野生动物，protect意 为“保护”；动词不定式符号to后跟动词原形，故填protect。 刷基础 返回目录 19 25. __________ friendly 【解析】根据“More and more people are becoming… to the wildlife.”及 备选词可知，此处指越来越多的人对野生动物变得友好起来，应用friend的形容 词形式friendly（友好的）作表语。故填friendly。 刷基础 返回目录 20 能力 Ⅰ 完形填空 体裁：说明文 题材：自然 词数：240 难度：★★★ 建议用时：7分钟#1 【2025陕西咸阳三模】Nature reserves （保护区） provide the best home for wild animals with warm weather, water, plants and wetlands. Now, AI systems in reserves play an important role in studying wildlife. Instead of using binoculars （双筒望远镜）, people can . .1. . animals’ activities on big screens. The AI system is very . .2. ..First, it can recognise different animals by their tails, feet, or beaks and . .3. . their numbers. Second, it can record animals’ actions 刷能力 返回目录 21 all day and night, which humans can’t do. It also notices unusual behaviour. For example, if an animal moves . .4. . or lies still for too long, the system will . .5. . researchers to help quickly. Besides, it keeps unauthorised （未经许可的） people out of protected areas and teaches visitors about wildlife. But there are still. .6. . to be solved. For example, sometimes the AI system mixes up one animal with another. It might mistake plants for animals and provides . .7. . information for researchers. Also, because the system isn’t used everywhere in reserves, people still need to . .8. . some areas themselves. Nature reserves are working with high-tech companies to make the system better and cover more . .9. .. 刷能力 返回目录 Although the AI system isn’t . .10. ., it works faster and protects animals more effectively （有效地） than old tools. Most importantly, it helps keep the natural ecosystem in balance.#5 完形填空·语篇导读 本文主要介绍了自然保护区中的人工智能系统。 刷能力 返回目录 1.( ) A.keep B.support C.watch D.lead C 【解析】句意为：……人们可以在大屏幕上观看动物们的活动。根据animals’ activities on big screens可知，此处指通过大屏幕观看动物活动。故选C项。 2.( ) A.helpful B.central C.local D.direct A 【解析】句意为：人工智能系统非常有帮助。根据后文列举的人工智能系统的功 能可知，它很有帮助，故选A项。 3.( ) A.decrease B.count C.solve D.reduce B 【解析】句意为：首先，它可以通过动物们的尾巴、脚或喙识别不同动物，并数 它们的数量。根据recognise different animals可知，人工智能系统能识别动物 并统计数量。故选B项。 刷能力 返回目录 24 4.( ) A.loudly B.widely C.luckily D.strangely D 【解析】句意为：比如，如果动物移动得奇怪或躺太久不动，系统会提醒研究人 员迅速提供帮助。根据unusual behaviour可知，此处指动物行为异常， strangely符合语境。故选D项。 5.( ) A.punish B.warn C.influence D.remain B 【解析】根据help quickly可知，系统会提醒研究人员，故选B项。 6.( ) A.surprises B.changes C.secrets D.problems D 【解析】句意为：但仍有一些问题需要解决。根据后文可知，需要解决的是问题。 故选D项。 刷能力 返回目录 25 7.( ) A.wrong B.similar C.valuable D.correct A 【解析】根据mistake plants for animals可知，系统会提供错误的信息。故选A项。 8.( ) A.check B.fill C.leave D.build A 【解析】根据the system isn’t used everywhere可知，未被覆盖的区域要人工 检查。故选A项。 刷能力 返回目录 26 9.( ) A.trades B.dates C.areas D.standards C 【解析】句意为：自然保护区正与高科技公司合作，来使系统更优良并覆盖更多 区域。根据语境可知，此处表示使系统覆盖更多区域。故选C项。 10.( ) A.modern B.perfect C.convenient D.useful B 【解析】句意为：尽管人工智能系统并不完美，它比旧工具工作更快，且更有效 地保护动物。根据前文提到的问题可知，系统尚不完美。故选B项。 刷能力 返回目录 27 Ⅱ 阅读理解 体裁:说明文 题材：自然 词数：173 难度：★★★ 建议用时：7分钟 【2025广东广州期末】Here are some pieces of information from an encyclopaedia. Protozoa （原生动物） Protozoa are small animals. We can’t see most of them, but they do a lot for us. Protozoa are useful for fish and other animals. Some protozoa are good for human beings by eating dangerous bacteria （细菌）, but some parasites （寄生虫） make human beings ill. 刷能力 返回目录 28 Fish There are over 20，000 different kinds of fish. Some of them are very small, but some are big. For example, the shark can be over 40 feet （1 foot=30.48 centimetres） long. Most fish breathe through gills.Gills make them get oxygen in the water. Most fish use fins and tails for swimming. 刷能力 返回目录 29 Amphibians （两栖动物） Amphibians have eggs in the water, and young amphibians are like small fish. The tadpole （蝌蚪） lives in the water. It has a tail and gills. So it can breathe under the water. When it becomes a frog, it doesn’t have the gills or the tail, but then it has legs for walking on land. 阅读理解·语篇导读 本文主要介绍了一些动物。 刷能力 返回目录 30 11.The passage is about ________.( ) C A.human beings B.plants C.animals D.water 【解析】推理判断题。根据Protozoa、Fish和Amphibians可知，本文介绍的是动 物。故选C项。 12.The ________ lives in the water.( ) C A.bird B.dog C.tadpole D.cat 【解析】细节理解题。根据“The tadpole lives in the water.”可知选C项。 刷能力 返回目录 31 13.What does the underlined word “gills” mean in Chinese?( ) D A.尾巴 B.心脏 C.肝 D.鳃 【解析】词义猜测题。根据“Most fish breathe through gills.Gills make them get oxygen in the water.”可知，大多数鱼通过鳃呼吸，所以gills指的 是鳃。故选D项。 刷能力 返回目录 32 14.Which of the following is NOT TRUE?( ) A A.Young amphibians are fish. B.Most fish use fins and tails for swimming. C.Most fish and young amphibians have gills. D.We can’t see most of protozoa because they are small. 【解析】细节理解题。根据young amphibians are like small fish可知，幼年 的两栖动物像小鱼，但不是鱼。故选A项。 刷能力 返回目录 33 Ⅲ 阅读还原 体裁：说明文 题材：日常活动 词数：262 难度：★★★ 建议用时： 7分钟#1 【2025山西阳泉期末】You must know the Terracotta Warriors in Xi’an. It’s archaeology that makes us able to see so wonderful things and know more about the Qin Dynasty.15.___ It is the study of ancient societies by examining what remains of their buildings, graves and tools, etc. We do it to understand what people in the past were like and how they lived. For example, archaeologists study graves and cultural relics （遗物）.They try to find out how ancient people made tools, why they moved around, and what their customs were.16.___ A C 刷能力 返回目录 34 One common misunderstanding （误解） is that archaeologists study dinosaurs. However, it is palaeontologists （古生物学家） who do this kind of work. This is not the only common misunderstanding about archaeology.17.___In fact,archaeologists care more about the stories behind the relics.18.___ It could show us what kind of food people ate in the past. As an archaeologist said, archaeology work is difficult, dirty, and sometimes less exciting.19.___ Also, for the country and for the whole world, archaeology makes us realise that we belong to the same group.#1.3 E F D 刷能力 返回目录 A.So what’s archaeology? B.Many tools can be used to dig. C.In other words, archaeology is a study of humans. D.But it is meaningful as it brings light to the unknown past. E.Besides it, many people think archaeologists find beautiful relics. F.For example, even burnt corn might be valuable to archaeologists. 阅读还原·语篇导读 本文主要介绍了考古学。 刷能力 返回目录 36 15. ___ A 【解析】根据设空后对考古学的解释可知，空处应询问什么是考古学，A项 （那么，什么是考古学？）符合语境，故选A项。 16. ___ C 【解析】根据设空上一句可知，此处与考古学和人类的关系有关，C项（换句话说， 考古学是关于人类的研究。）符合语境，故选C项。 17. ___ E 【解析】根据“This is not the only common misunderstanding about archaeology.”可知，空处应列举其他对考古学的误解，E项（除此之外，许多人 认为考古学家发现美丽的遗迹。）符合语境，故选E项。 刷能力 返回目录 37 18. ___ F 【解析】根据“It could show us what kind of food people ate in the past.”可知，空处与人们吃的食物有关，F项（例如，对考古学家来说即使是烧 焦的玉米也可能有价值。）符合语境，故选F项。 19. ___ D 【解析】根据“archaeology work is difficult, dirty, and sometimes less exciting”和Also可知，此处应介绍考古学的意义，D项（但它是有意义的，因为 它为不为人知的过去带来了光明。）符合语境，故选D项。 刷能力 返回目录 38 $