02 Unit 13 第2课时 Section A(3a-3b)（同步学练测）-【全效学习】2025-2026学年九年级英语全一册同步学练测课件PPT（人教版）

该初中英语课件聚焦九年级第2课时核心词汇、短语及语法点，通过“课堂导学”呈现词汇用法（如cruel, harmful）、短语拓展（如cut off）和语法辨析（the number of与a number of），结合典型例句搭建学习支架，衔接“基础达标”巩固练习与“素养提升”应用拓展，形成完整知识脉络。 其亮点在于以语言能力培养为核心，通过生活化例句（如“Smoking is harmful to your health”）强化语言理解与表达，素养提升环节结合环保主题图表阅读和智能垃圾桶短文阅读，渗透文化意识与思维品质，帮助学生学会分析问题。题型设计由基础到应用，助力学生掌握学习策略，教师可直接用于课堂教学，提升教学效率。

第2课时 英语九年级全册 01 课堂导学 02 基础达标 03 素养提升 CONTENTS 目 录 01 课堂导学 1．cruel adj.残酷的；残忍的。常用短语： be cruel to… 对……很残忍。 【典型例句】We shouldn't be cruel to animals. 我们不应该对动物残忍。 2．harmful adj.有害的。 be harmful to… 对……有害；相当于do harm to…。 【典型例句】Don't smoke. Smoking is harmful to your health. 不要吸烟。吸烟对你的健康有害。 第2课时 返回目录 3．industry n．工业；行业。常用短语：heavy industry重工业；light industry轻工业；the tourist/travel industry旅游业；the film/music industry电影业/音乐产业。 4．law n．法律；法规。常用短语：by law按照法律规定；law and order治安；pass a law通过法律；break a law违反法律；obey a law遵守法律。 5．scientific adj.科学上的；科学的。science n. 科学。scientist n. 科学家。 第2课时 返回目录 6．cut off 切除 【拓展】cut off是动副短语，代词作宾语时，代词应放在cut与off之间；名词作宾语时，名词放在off前后均可。 【典型例句】These flowers are beautiful. Please don't cut them off. 这些花很漂亮。请不要把它们剪掉。 7．at the top of… 在……顶部或顶端 【典型例句】She was standing at the top of the stairs when I arrived. 我到达的时候，她正站在楼梯的顶端。 第2课时 返回目录 8.in fact 确切地说；事实上 in fact相当于actually。in fact一般位于句首，也可放在句中作插入语，但前后都要用逗号隔开。 【典型例句】I can't go to the party. In fact, I am very busy. 我不能参加聚会。实际上，我很忙。 第2课时 返回目录 9．the number of和a number of用法辨析 the number of………的数量。跟复数名词连用作主语，中心词是number，谓语动词用单数。a number of 大量的。后接可数名词复数，谓语动词用复数。 【典型例句】①There are a number of ants on the ground. 地上有很多蚂蚁。 ②The number of the apples is 40. 苹果的数量是40。 第2课时 返回目录 10．in the last 20 to 30 years 意为 “在过去的二十到三十年里”。 “in the last＋一段时间”，表示在过去的多长时间里，常与现在完成时连用。 【典型例句】In the past 3 years, I have been a teacher. 在过去的3年里，我一直是一位老师。 第2课时 返回目录 11．so far 到目前为止；迄今为止。强调so far所描述的谓语动作一直持续到现在，谓语动词用现在完成时。 【典型例句】So far, the police investigation has drawn a blank. 到目前为止，警方的调查毫无结果。 第2课时 返回目录 12．be good for… 有益于……，对……有好处 【典型例句】Eating fruit and vegetables is good for our health. 吃水果和蔬菜对我们的健康有益。 【拓展】be good at… 擅长……；be good with… 善于和……相处；be good to… 对……友善。 第2课时 返回目录 02 基础达标 一、用括号内所给单词的适当形式填空 1．__________(save) the earth begins with small actions. 2．To solve this problem, we need to get more ______________(science) knowledge. 3．If you break any _________(law) in our country, you will be punished, although you're a foreigner. Saving scientific law(s) 第2课时 返回目录 4．So far, the number of the people using 5G mobile phones __________________(increase) a lot. 5．The panda is a kind of ______________(danger) animal. has increased endangered 第2课时 返回目录 二、根据汉语意思完成句子，每空一词 1．为了鱼翅而杀死鲨鱼真是太残忍了。 It's _________ ______ kill __________ _______ their ________． 2．因禁食野生动物，许多处于极大危险中的野生动物能够得救。 Many wild animals that are ______ _________ __________ can be saved because of the ban on eating wild animals. 3．空气污染对我们的健康有害。 Air pollution ______ ___________ ______ our health. cruel to sharks for fins in great danger is harmful to　 第2课时 返回目录 4．在海洋生态系统中，鲨鱼在食物链的顶端。 Sharks are ______ _______ _______ ______ _______ ________ _________ in the ocean's ecosystem. 5．我在这里创办了一个崭新的工业。 I created a whole _______ ____________ here. at the top of the food chain new industry 第2课时 返回目录 03 素养提升 三、图表阅读 As we all know, environmental pollution is serious nowadays. Our group wanted to know how many students knew about each kind of pollution, and we wanted to learn how often they sorted(分类) rubbish. So we did a survey among the students in our school. Here are the results. 第2课时 返回目录 The results of the questionnaire(问卷) Do you know about these problems?   How often do you sort rubbish? 第2课时 返回目录 ( )1．What's the survey mainly about? A．Scientific research.　　　 B．Physical education. C．Environmental protection. C 第2课时 返回目录 ( )2．How many kinds of pollution are mentioned in the questionnaire? A．Three. B．Four. C．Five. B 第2课时 返回目录 ( )3．What can we learn from the results of the questionnaire? A．Light pollution is mentioned in the questionnaire. B．Most students didn't take enough action to sort rubbish. C．Noise pollution is noticed by a large number of students. B 第2课时 返回目录 四、短文阅读 Four Hong Kong high school students have invented a smart rubbish bin that uses AI to sort waste.The students named the bin Waste Collection Point. 第2课时 返回目录 The bin uses a camera to tell the kind of the waste and sorts it into plastic, paper, glass, or other kinds. To make sure the bin can sort waste correctly, the team tested every product in the school shop and took at least 500 pictures of each one. “To train the AI, we had to take many photos from different angles(角度), so it has a better rate of accuracy，” said one of the designers. 第2课时 返回目录 The idea of the smart bin was born two years ago when the students were in Grade 10. A lot of rubbish was everywhere in their village and caused much pollution. Every weekend, they had to join the villagers in picking up the waste. 第2课时 返回目录 The students decided to invent a special recycling bin that would encourage people to protect the environment. “Our bin is now in its third generation(代). Before graduation, we hope it can be widely used in the city，” the students said. “Then it will be easier than ever for people to recycle waste and protect our environment.” 第2课时 返回目录 ( )1．How does the smart rubbish bin work? A．By running a program. B．By listening to an order. C．By using a camera and AI. C 第2课时 返回目录 ( )2．What do the underlined words “rate of accuracy” in Paragraph 2 mean in Chinese? A．精准度 B．参与度 C．知名度 A 第2课时 返回目录 ( )3．What is the writer's purpose in mentioning the students' experience in Grade 10? A．To explain why their village was polluted. B．To share what they did to deal with the waste. C．To show how the idea of the smart bin came from. C 第2课时 返回目录 ( )4．What can be the best title for the text? A．A Creative Generation B．Intelligent Rubbish Sorting C．An Environmental Protection Problem B 第2课时 返回目录 本课件由“瀚渤文化”出品，仅限教学使用。 本课件所有权和著作权归本公司所有， 任何人不得以非法形式进行销售或传播，违者必究! 温馨提示 $