2025全国II卷七选五 说明文结构拆解+高分技巧全解 讲义-2026届高三英语二轮复习专项

2025全国II卷七选五 说明文结构拆解+高分技巧全解 本次全国II卷七选五专题讲解，从语篇深度解读入手，先梳理文本结构、明晰各段落核心内容，再圈画副标题关键信息词；随后系统讲解实用解题策略，涵盖“有问必答”逻辑呼应原则、选项代入验证法、由易到难选填技巧等核心方法；紧接着结合策略逐题精讲，拆解解题思路与选项特征，最后附上完整原文呈现，帮助大家读懂文章、掌握方法、高效解题，全面攻克七选五题型难点。 1． 语篇解读： 这是一篇说明文。文章通过列举事实和研究数据，向读者介绍了全家共同参与志愿服务不仅能帮助他人、有益身心健康，还能增进家庭凝聚力，并对青少年的未来发展产生深远的积极影响。 2． 解题策略 1. 文本结构+各段内容 第一部分——Para.1（话题引入）： 开头用两个问句 ( Are you looking for...? Hoping to find...? ）引出话题，最后一句用  but  转折，引出本文核心话题——全家志愿 (Volunteering as a Family），并预告下文将介绍其“意想不到的好处”。 第二部分——Para.2—5（分述段）： 第二段：益处1：Time 感觉时间更充裕 第三段：益处2：live longer 有利健康 第四段：益处3：Growth 对青少年终身影响 最后一段：益处4：family relationship 增进家庭相处 2. 圈出副标题的关键词 3. 有问必答原则 当文中出现问句（设问、疑问）时，空格处通常需要给出对应的回答或解决方案，形成“提出问题—给出答案”的逻辑呼应。即：文中有问题，选项找答案。 4.代入法 当空格出现在段落中间，且难以直接通过主题词判断时，可以采用代入法： 将剩余的备选选项逐一放入空格处，分别观察该选项与上文是否衔接、与下文是否呼应，只有能同时与上下文形成通顺、合理的逻辑关系的选项，才是正确答案。 1） 选项与上文有逻辑关联 2） 选项与下文有逻辑关联 3） 选项与上下文有逻辑关联 5.由易到难选填 采用“3+2”由易到难方法，先依据文本结构和语篇标记语选出3道简单题，最后攻克剩余2道难题。 三．各小题精讲解析 第一步：先选出3道简单题 1） 39题（第四段）：正确答案C 当空格是段落副标题时，它的作用是概括本段主要内容，因此必须根据下文整段的核心意思来确定。做法如下： 认真阅读副标题下面整个段落的内容，抓住段落的中心话题、关键词和主旨， 再从选项中选出最能概括本段大意、与段落内容高度一致的句子，就是正确的副标题。 本段主要介绍：青少年参与志愿服务，不仅能提高学习成绩、增强自信心，更会对其未来成长与身心健康产生长远、积极的作用。 因此本题选 C. Volunteering has a lifelong effect on kids and teenagers. （做志愿者工作会对孩子和青少年产生终身影响。） 注意：很多同学看到选项F开头是“You may”，和前面副标题的“You will”结构相似，结果就选错答案了。这是因为他们只看了副标题的句式，忽略了副标题必须和段落内容一致的核心原则。一定要记住，段落里的具体内容是为副标题服务的，选副标题时不能只看句式，还要核对段落内容是否匹配。 2）37题（第二段）：正确答案G 重点关注副标题的关键词more time 本段副标题的关键词是 more time，强调做志愿者会让人感觉拥有更多时间。解题时可抓住这一核心关键词，在选项中寻找与“时间、高效利用时间、时间感受”相关的表述，由此锁定答案为 G 选项。 3）38题（第三段）：正确答案E 重点关注副标题的关键词live longer 本段副标题关键词是 live longer（活得更久），核心围绕长寿、健康生活展开。 通读下文内容，明确核心围绕 health（健康）、physical activity（身体活动）、well-being（身心状态）三大维度展开。在选项中寻找与“长寿+健康生活”强相关的选项。 E选项：For adults, volunteering can provide significant physical health benefits.（对成年人来说，志愿活动能带来显著的身体健康益处。）E选项作为段首总起句，精准呼应副标题“live longer”，从“身体健康益处”角度解释了“为何能活得更久”，后文紧接着展开具体研究数据，逻辑紧密，无缝衔接。 第二步：最后选剩下的2道题 1）36题（第一段）正确答案B 本题根据有问必答原则，上文连续提出两个问题：是否想找到让家人团聚的方式、是否想找到大人孩子都能参与的共同爱好。36题需要对这两个问题做出回应，因此选择B选项。 2）40题（结尾段）（选项位于段落中间）正确答案F 40题位于段落中间，解题时可观察选项与上下文的衔接关系，并使用代入法验证。 将剩余的A、D、F三个选项逐一代入空格处，分别判断是否与上下文构成通顺的逻辑关系。 把A代入文中：Families who volunteer together have the unique experience of working toward a common goal. Helping the community lowers rates of depression.Everyone brings something unique to the table and can connect with each other in a new way. 把D代入文中：Families who volunteer together have the unique experience of working toward a common goal.Volunteering can be the first step in breaking down prejudice. Everyone brings something unique to the table and can connect with each other in a new way. 把F代入文中：Families who volunteer together have the unique experience of working toward a common goal. You may even learn that your kid has a talent you didn't know about before. Everyone brings something unique to the table and can connect with each other in a new way. 代入A、D后，语句衔接不自然，逻辑不通顺； 代入F后，上文提到unique experience（独特的经历），下文又说brings something unique（带来独特的东西），两处都围绕“独特”展开。选项F讲发现孩子身上不为人知的天赋，也属于独特的内容，和上下文的“独特”形成共同主题，逻辑完全一致。上下文连贯顺畅，符合段落逻辑，因此40题答案为F。 重点词块： unexpected 出乎意料的；意外的 affect a teen’s well-being 影响青少年的身心健康 in the years to come 在未来岁月里；今后 a common goal 共同的目标 feel proud of 为…… 感到自豪 lower rates of depression 降低抑郁率 have a lifelong effect on 对…… 产生终身影响 break down prejudice 消除偏见；打破成见 feel capable 感到有能力；觉得能干 make the most of 充分利用；尽情享受 contribute to有助于 可以用在应用文中的句式表达： 1、 开头引入话题 Are you looking for a way to bring your family together? 你是否在寻找一种让家人团聚的方式？ Are you looking for a way to…? 你是否在寻找…… 的方法？ 1)Are you looking for a way to relax yourself after study?你是否在寻找学习后放松自己的方法？ 2)Are you looking for a way to improve your spoken English?你是否在寻找提高英语口语的方法？ 3)Are you looking for a way to get along well with your family?你是否在寻找与家人和睦相处的方法？ 二、论述好处意义 1.Volunteering will positively affect the whole family. 志愿活动会对整个家庭产生积极影响。 …will positively affect… …… 对…… 有积极影响 1)A positive attitude towards failure and a willingness to learn from mistakes will positively affect how we view challenges and pave the way for our personal growth. 积极面对失败并乐于从错误中学习，将会积极影响我们看待挑战的方式，并为个人成长铺平道路。 2)Regular communication and mutual understanding between teachers and students will positively affect the classroom atmosphere and promote effective teaching and learning. 师生之间的定期沟通与相互理解，将会积极影响课堂氛围，促进高效的教与学。 3)The good habits we form in our daily life, such as planning time wisely and staying disciplined, will positively affect our academic performance and future success. 我们在日常生活中养成的好习惯，如合理规划时间与保持自律，将会积极影响我们的学业成绩与未来的成功。 2.These effects aren’t just short-term but have a lifelong effect on… 这些影响不只是短期的，而且对…… 有终身影响。 have a lifelong effect on… 对…… 产生终身影响 1)The guidance and encouragement we received from our teachers in adolescence will have a lifelong effect on our values, choices and even the whole course of our life. 我们在青少年时期从老师那里得到的引导与鼓励，将会对我们的价值观、人生选择乃至整个人生历程产生长远影响。 2)The healthy living habits and positive mindset formed in early childhood have a lifelong effect on people’s physical health and mental state in their later life. 幼年时期养成的健康生活习惯与积极心态，会对人们日后的身体健康与精神状态产生长远影响。 3.It contributes to improved grades and increased self-confidence. 它有助于提高成绩、增强自信。 1)By previewing lessons before class, reflecting on mistakes after exams and communicating with teachers actively, we have improved our learning efficiency and increased our academic confidence, which lays a solid foundation for our future development. 通过课前预习、考后反思错题以及主动与老师交流，我们提高了学习效率，增强了学业自信，这为我们未来的发展打下了坚实基础。 2)Regular physical exercise and a balanced diet have not only improved students’ physical fitness but also increased their energy and concentration, enabling them to perform better in both study and daily life. 规律的体育锻炼和均衡的饮食不仅提升了学生的身体素质，还增加了他们的精力与专注力，使他们在学习和生活中都表现得更出色。 3)With the rapid development of the Internet, advanced teaching equipment and abundant online resources have greatly improved the quality of education and increased students’ access to knowledge, making distant learning more flexible and effective. 随着互联网的快速发展，先进的教学设备和丰富的网络资源极大地提高了教育质量，拓宽了学生获取知识的途径，让远程学习更加灵活高效。 三、个人感受 / 成长 1.Volunteering makes you feel capable. 志愿活动让你感到有能力。 make sb feel capable / confident / optimistic 1)By guiding students to discover their own strengths and encouraging them to take on challenging tasks, a patient and inspiring teacher can easily make them feel capable and confident enough to face any difficulties in their academic life. 通过引导学生发现自身优势并鼓励他们承担有挑战性的任务，一位耐心且鼓舞人心的老师能轻易让他们感到有能力、有信心去面对学习生活中的任何困难。 2)When we offer timely support and sincere recognition to those around us who are in trouble, we can effectively make them feel capable and confident, which is of great significance to their personal growth. 当我们向身边陷入困境的人提供及时的支持与真诚的认可时，我们能有效地让他们感到有能力、有信心，这对他们的个人成长意义重大。 3)Only by constantly trying, reflecting on failures and making steady progress can we truly make ourselves feel capable and confident rather than doubt our own value. 只有不断尝试、反思失败并稳步进步，我们才能真正让自己感到有能力、有信心，而不是怀疑自身的价值。 2.It inspires you to make the most of each day. 它激励你充分利用每一天。 1)Only when we realize the value of time can we make the most of every precious minute to equip ourselves with knowledge and skills for future challenges. 只有当我们意识到时间的价值时，我们才能充分利用每一分宝贵的时间，用知识和技能武装自己，以应对未来的挑战。 2)College students should make the most of various resources on campus, such as libraries, lectures and academic activities, to broaden their horizons and improve their comprehensive abilities. 大学生应充分利用校园内的各类资源，如图书馆、讲座和学术活动，来开阔视野、提升综合能力。 3)In the rapidly developing digital age, we must make the most of advanced technology to improve learning efficiency, while avoiding its negative effects on our study and life. 在快速发展的数字时代，我们必须充分利用先进技术来提高学习效率，同时避免它对我们学习和生活带来的负面影响。 原题呈现： 答案：BGECF 第二节（共5小题；每小题2分，满分10分） 根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Unexpected Benefits of Volunteering as a Family Are you looking for a way to bring your family together? Hoping to find a hobby that can be shared by both the little ones and adults? 36. ______ You may know the “feel-good” emotions that come with helping others, but there are even more unexpected ways volunteering will positively affect the whole family. ● You’ll feel like you have more time. People often feel they are too busy to volunteer. Yet, research has found that giving your time to community causes actually makes you feel like you have more of it. 37. ______ ● You can live longer if you volunteer regularly. 38. ______ Washington University found that adults 55 and older who volunteered had better memory and maintained overall health longer than others their age. Volunteers are also more likely to look after their own health and are more focused on adding physical activity into their lives. ● 39. ______ Volunteering during teenage years has been linked to some major positive effects such as improved grades and increased self-confidence. These effects aren’t just short-term but have been proved to affect a teen’s well-being in the years to come. ● You’ll have more time with family. Families who volunteer together have the unique experience of working toward a common goal. 40. ______ Everyone brings something unique to the table and can connect with each other in a new way. And, there are tasks for every age and ability, so all your children can feel proud of their work. A. Helping the community lowers rates of depression. B. Volunteering as a family may be just the thing you need. C. Volunteering has a lifelong effect on kids and teenagers. D. Volunteering can be the first step in breaking down prejudice. E. For adults, volunteering can provide significant physical health benefits. F. You may even learn that your kid has a talent you didn’t know about before. G. Volunteering makes you feel capable and inspires you to make the most of each day. 1 学科网（北京）股份有限公司 $