Unit 2 单元限时检测-【初中必刷题】2025-2026学年新教材八年级上册英语同步课件（沪教版2024）

该初中英语课件聚焦八年级上册Unit 2核心内容，通过完形填空、阅读理解、语篇填词等题型，以真实情境语篇（如环保活动、学校日总结、科技与资源）为课堂导入，构建“语篇导读-题型训练-知识拓展”的学习支架，衔接语言知识与综合运用能力。 亮点在于融合语言能力与思维品质培养，完形填空解析注重上下文推理，阅读理解设置细节、推理题锻炼逻辑思维，书面表达结合调查结果训练输出能力。知识拓展（如success词性转换）与环保、科技等话题渗透文化意识，可编辑课件及超链接提升教学便捷性，助力学生提升语言运用能力，教师可高效开展分层教学。

英 语 八年级上册 HN 1 2 Unit 2 Amazing numbers 3 C 单元限时检测 4 刷速度 5 速度 Ⅰ.完形填空（10分） Ian Kiernan was born in Sydney, Australia, and grew up near the sea. For more than 40 years, he raced in international sailing competitions. In 1987, Kiernan was competing in an around-the-world race when he began to . .1. . the huge amount of rubbish in the world’s oceans. When he returned to Australia, he . .2. . to do something about it.#2 刷速度 返回目录 6 He organized a community . .3. . called “Clean Up Sydney Harbour”.On Sunday, 8 January, 1989, more than 40,000 volunteers came out to . .4. . away rubbish. The next year, Kiernan made the clean-up a national event. It was a huge . .5. ..Across Australia, about 300,000 people spent the day improving their local . .6. .. Since then, “Clean Up Australia” has got . .7. . every year. In 2002, for example, 800,000 people cleaned up almost 15,000 tons of rubbish from Australia’s beaches， parks and streets.#4 刷速度 返回目录 7 Kiernan was . .8. . with the success of his project. In 2003, he started an even bigger programme. With the . .9. . of the United Nations Environment Programme, he introduced “Clean Up the World”, an international programme that supports communities around the world in cleaning up and protecting the environment.“Clean Up the World” has grown . .10. . and his wonderful idea has now spread from one city to the whole world.#5 完形填空·语篇导读 本文主要讲述了主人公为保护环境组织了一个叫作“清理悉尼 港湾”的社区活动，后来这个活动范围逐渐扩大的故事。 刷速度 返回目录 8 1.( ) A.save B.collect C.notice D.produce C 【解析】联系上下文可知此处指基尔南在参加比赛时注意到海里有很多垃圾。 2.( ) A.refused B.decided C.pretended D.stopped B 【解析】从上下文可知,这里说的是他决定去做一些事情。 3.( ) A.law B.party C.company D.event D 【解析】从本段的 Kiernan made the clean-up a national event可知选D项。 4.( ) A.clear B.send C.turn D.give A 【解析】根据上文可知,这些人应该是出来清理垃圾,clear away意为“清理”。 刷速度 返回目录 9 5.( ) A.problem B.success C.surprise D.failure B 【解析】后文讲到许多人参加这个清理垃圾活动,所以此处表示活动大获成功。 6.( ) A.culture B.project C.government D.environment D 【解析】根据上文可知,许多人参加这个活动来清理垃圾,所以这里指的是改善环境。 7.( ) A.older B.smaller C.bigger D.faster C 【解析】根据后一句可知，这个活动每年规模都在变得更大。 刷速度 返回目录 10 8.( ) A.happy B.angry C.disappointed D.concerned A 【解析】根据the success of his project可知,基尔南应感到“高兴”。 知识拓展 success的形容词形式为successful，意为“成功的”；动词形式为succeed， succeed in doing sth 意为“成功做某事”。 9.( ) A.need B.help C.hope D.action B 【解析】with the help of为固定搭配,意为“在……的帮助下”,符合语境。 10.( ) A.loudly B.gently C.rapidly D.busily C 【解析】由后半句可知这个项目发展迅速。 刷速度 返回目录 11 Ⅱ.阅读理解（18分） A Jackie is writing a summary （总结） and feedback （反馈） about School Day to his teacher. Summary: School Day was held successfully on 6th May. Twenty-four student helpers from Grade 8 were divided into four groups of six. Each group had a task to raise money for the disabled.#1.2.1 刷速度 返回目录 12 Group 1 Group 2 Group 3 Group 4 School postcards （Leader: Natalie） Chinese paintings （Leader: Tina） Recycling bags made by students （Leader: Leo） Homemade snacks by parents （Leader: Nick） All of the groups performed well on School Day and received praise from the visitors. In short, our School Day went well and we got no poor opinions from the visitors.#1.2.3 刷速度 返回目录 13 Feedback: Opinions from 100 students have been collected. Most students thought the activities were good. However, some students thought the prices of the school postcards were a little high.#1.3.1 Satisfaction Feedback 刷速度 返回目录 14 Follow-up: Have a meeting with the headmaster about prizes for excellent student helpers. 阅读A篇·语篇导读 本文是一篇应用文。杰基收集了100名学生的反馈意见并为学 校日活动写了一份总结,还安排了活动的后续事项。 刷速度 返回目录 15 11.The text is written to ________.( ) A A.give a report B.have School Day C.collect opinions from visitors D.hold a meeting with teachers 【解析】推理判断题。通读全文可知，本文作者收集反馈信息是为了做一份关于 学校日的报告。 12.What were sold in Tina’s group?( ) B A.School postcards. B.Chinese paintings. C.Recycling bags. D.Homemade snacks. 【解析】细节理解题。由表格可知，蒂娜在第二组,出售中国画。 刷速度 返回目录 16 13.How did the visitors feel about the activities?( ) B A.Disappointed. B.Satisfied. C.Worried. D.Surprised. 【解析】推理判断题。由“All of the groups performed well on School Day and received praise from the visitors.”可推知,来访者对活动是满意的。 14.How many students liked the recycling bags according to the feedback?( ) A A.50. B.25. C.15. D.10. 【解析】细节理解题。由“Opinions from 100 students have been collected.” 及图表可知有50名学生喜欢可循环使用的袋子。 刷速度 返回目录 17 B ［2024辽宁大连期末］Do you know ChatGPT？It’s an artificial intelligence （AI） tool. It can answer questions, tell stories and write articles. But it’s very“thirsty”, said a new study from Harvard University. ChatGPT has “homes” around the world in data centres （数据中心）.When it works, the computers in the data centres get very hot. Workers then have to use water to cool them down. Cold water goes into pipes near the computers. The water needs to be very clean. They can’t use seawater because it can eat away the pipes. 刷速度 返回目录 18 When you ask ChatGPT 50 questions, it“drinks”500 millilitres （ml） of water. Scientists used about 700,000 litres of water to build ChatGPT.The water use is very big. People can make 370 cars with the water. ChatGPT is just one of the AI tools around the world. You need data centres to do everything on the internet. There are more than 8,000 data centres around the world. The number is still growing. AI uses a lot of water to “grow”.The world’s water may not be enough. Many people don’t have enough water to drink. But AI technology helps people. Should we rethink how we use AI？#1.5 阅读B篇·语篇导读 短文主要介绍了类似ChatGPT这样的人工智能工具会消耗大量 水资源。 刷速度 返回目录 15. 选项选择 Which of the following can ChatGPT do？ ①Answer questions. ②Fly planes. ③Write articles. ④Tell stories.( ) C A.①②③ B.②③④ C.①③④ D.①②④ 【解析】细节理解题。根据第一段的“It can answer questions， tell stories and write articles.”可知选C项。 刷速度 返回目录 20 16.What does the underlined word “them” refer to in Paragraph 2？( ) B A.Homes. B.Computers. C.Workers. D.Pipes. 【解析】词义猜测题。根据文中第二段的“When it works， the computers in the data centres get very hot.Workers then have to use water to cool them down.”可知，them指代的是数据中心的计算机。 17.If you ask ONE question， how many millilitres of water can ChatGPT “drink”？( ) A A.10. B.100. C.50. D.500. 【解析】细节理解题。根据文中第三段的“When you ask ChatGPT 50 questions， it ‘drinks’ 500 millilitres （ml） of water.”可知，如果你问一个问题， ChatGPT能“喝”10毫升水。 刷速度 返回目录 21 18.What can we learn from Paragraph 4 and Paragraph 5？( ) D A.ChatGPT is the only AI tool around the world. B.The number of data centres is not growing now. C.AI tools can work in a better way without any water. D.We may have to “fight” with AI for water in the future. 【解析】推理判断题。根据最后一段的“AI uses a lot of water to ‘grow’.The world’s water may not be enough.Many people don’t have enough water to drink.”可推知，未来我们可能不得不与AI“争夺”水源。 刷速度 返回目录 22 19.What is the main idea of the article？( ) B A.ChatGPT is a good artificial intelligence tool. B.ChatGPT needs lots of water when it works. C.ChatGPT helps people do many different things. D.ChatGPT has “homes” around the world in data centres. 【解析】主旨大意题。通读全文可知，文章主要介绍了类似ChatGPT这样的人工智 能工具工作时需要大量的水。 刷速度 返回目录 23 Ⅲ.阅读还原（10分） Do you love Maths? _20 ___ Fun activities helped students fall in love with Maths! On the first day, students put on plays and we watched some of them. My favourite play was about Hua Luogeng, a Chinese mathematician （数学家）.Three students played Hua at three different ages._21 ___ The second day was the most interesting. Some students made rocket models with plastic （塑料的） bottles and launched them in the playground._22 ___ The most successful one flew as high as the second floor of the teaching building. B C D 刷速度 返回目录 24 _23 ___ They showed us some advanced equipment （先进的装备） and did experiments with us. For example, we made a small water-cleaning system. It turned dirty water into clean water! After finishing the experiment, I felt the magic of science. _24 ___ Students are already looking forward to next year’s festival!#1.4 A E 刷速度 返回目录 A.The school invited some college students on the third day. B.Recently, our school held a three-day Maths festival. C.They let us know about his amazing life and his love for Maths. D.They said making them was a challenge, but they finally succeeded. E.The festival ended with a Maths teacher’s speech. F.Only a few students could join it. 阅读还原·语篇导读 文章介绍了学校举办的为期三天的数学节。 刷速度 返回目录 26 20. ___ B 【解析】根据上下文可知，第一段引出数学节，B项符合语境。 21. ___ C 【解析】根据前一句可知此处应是对学生扮演华罗庚的介绍。 22. ___ D 【解析】根据上下文可知此处指他们做火箭模型成功了。 23. ___ A 【解析】根据第二段中的On the first day和第三段中的The second day可知， 此处应该介绍第三天的活动。 24. ___ E 【解析】根据最后一句可知，此处应该提到活动结束的事情，故选E项。 刷速度 返回目录 27 Ⅳ.语篇填词（5分） ［2025广东广州期中］Once upon a time, there was a hunter who was proud of his skills. One day, he went to the mountains in search of his target. When he went into the forest, all the animals became afraid and ran away. Only the lion 25.c ____________ him to fight. The hunter took out his arrow and launched it at once. He was so confident that he didn’t choose the direction 26.c ___________ .The arrow hit a bird in the tree 27. i _____________________. Before the hunter 28.r ___________________ his mistake, the lion took the chance and launched attack. Luckily, the lion also missed his target by inches. After the29.a __________, the hunter never showed off his skills. challenged correctly instead/incorrectly realized/realised accident 语篇填词·语篇导读 本文讲述的是骄傲的猎人与狮子挑战的故事。 刷速度 返回目录 28 25. ____________ challenged 【解析】根据all the animals became afraid and ran away及首字母提示可知， 狮子向猎人发起挑战，challenge意为“挑战”；故事发生在过去，动词应用过去 式，故填challenged。 知识拓展 be afraid of害怕…… 26. ___________ correctly 【解析】句意为：他太自信了，以至于没有正确地选择方向。根据The arrow hit a bird in the tree及首字母提示可知，他的方向没有选对；空处修饰动词，应 用副词形式表示“正确地”，故填correctly。 刷速度 返回目录 29 27. _____________________ instead/incorrectly 【解析】句意为：箭反而/错误地射中了树上的一只鸟。根据首字母提示及“he didn’t choose the direction…”可知，猎人没有射中狮子而是射中了一只鸟， 此处应用副词表示“反而/错误地”，故填instead/incorrectly。 28. ___________________ realized/realised 【解析】句意为：在猎人意识到他的错误之前，狮子抓住机会并发动了攻击。根 据“the hunter… his mistake”及首字母提示可知，此处表示在猎人意识到自 己的错误之前；此处用一般过去时，动词用过去式，故填realized/realised。 刷速度 返回目录 30 29. __________ accident 【解析】句意为：事故发生后，猎人再也不炫耀自己的技能了。根据上文及首字 母提示可知，这是一次事故，accident意为“事故”；此处应用单数形式，故填 accident。 知识拓展 by accident偶然地 刷速度 返回目录 31 Ⅴ.书面表达（25分） 30.假如你是杨珊, 最近你做了一项关于业余活动的小调查。请根据下面表格中的 内容, 用英文写一篇短文来描述你的调查结果。 同 学 课外活动 频 率 李玉 国际象棋 一周五次 贝蒂 踢足球 一周三次 迈克 看英语杂志 每天 要求：80词左右, 开头已给出, 不计入总词数。 I’m Yang Shan. I asked my friends about their free time activities. Here are the results.____ 刷速度 返回目录 32 【参考范文】 I’m Yang Shan.I asked my friends about their free time activities.Here are the results. Li Yu is interested in chess.She started to play chess when she was little.Now she plays chess five times a week.She thinks it helps her relax.Betty loves sports and playing sports makes her strong.Her favourite sport is soccer.She plays soccer three times a week.Mike is a shy boy.He enjoys reading very much.Every day he reads English magazines.He thinks he can learn a lot of things from them. I think all of their free time activities are good.Do you think so? 刷速度 返回目录 33 $$