Unit 3 Fit for life（复习课件）英语译林版选择性必修第二册

该高中英语课件系统梳理了Unit 3 "Fit for life"的核心知识，涵盖重点词汇、短语、句型、现在完成进行时语法及青少年近视主题写作，通过知识图谱将核心主题与词汇、语法、写作模块串联，构建完整知识网络。 其亮点在于采用“情景导学-即时训练-综合应用”模式，如词汇精讲结合例句与训练提升语言能力，语法通过对比现在完成时培养思维品质，写作提供模板与范文助力学习能力。分层设计满足不同学生需求，教师可借此高效开展复习教学。

译林版·选择性必修第二册 Unit 3 Fit for life 单元复习 Unit 3 Fit for life 复习目标 知识图谱 考点串讲 单元语法 主题写作 综合训练 复习目标 知识图谱 考点串讲 单元语法 主题写作 综合训练 CONTNETS 1. 学生能够掌握本单元重点词汇，如 identify, affect, fundamental, widespread, abuse, specialize 等，并能在不同语境中正确运用。（重点掌握） 2. 学会重要短语和句型，如 relate to, wrestle with, date back to, fall victim to，以及 as 引导的多类型状语从句、it 作形式宾语的固定结构等，并能利用这些短语和句型进行口头和书面表达。（重点掌握） 3. 提高阅读理解能力，能够读懂关于医学发展、中医治疗等主题的文章，理解文章主旨大意、细节信息，并能根据文章内容进行推理判断，培养科学思辨思维。 4. 培养书面表达能力，能够运用所学词汇、短语和句型，完成一篇关于青少年近视问题的议论文写作，做到语言表达准确、条理清晰、建议可行。​ 复习目标 知识图谱 现在完成进行时 单元语法 2.议论文结尾常用句式 3. 必背短文模板 主题写作 1.议论文开头常用句式 fundamental, widespread abuse, specialize 重点单词 identify, affect wrestle with fall victim to 重点短语 relate to date back to to name but a few Fit for life Unit 3 Fit for life 考点串讲 译林版·选择性必修第二册 考点串讲 重点词汇 单词 词形 意思 vt. 确认，识别；找到，发现 vt. 影响；侵袭，使感染；深深打动 vt. 感染（疾病）；订立合同 n. 合同，合约 vt. 恢复；修复；使复原 adj. 十分重大的，根本的；基础的 n. 基本规律，根本法则 n. 现象 adj. 分布广的，普遍的，广泛的 vt. 滥用；虐待；辱骂 identify affect contract restore fundamental widespread phenomenon abuse contract 考点串讲 重点词汇 单词 词形 意思 vi. 专门研究，专攻 n. 方法，方式；财富，钱财 n. 发生的速度，节奏；步速 vi. & vt. 来回踱步 n. 象征；符号，代号 n. 物质；要点 vi. 努力解决；摔跤 specialize means pace symbol substance wrestle opponent 考点串讲 词形转换 1. gene n. 基因 → genetic adj. 基因的，遗传的 → genetics n. 遗传学 → geneticist n. 遗传学家 2. identify vt. 确认，识别 → identification n. 识别，身份证明 → identity n. 身份 3. affect vt. 影响 → effect n. 影响，效果 → effective adj. 有效的 4.fund n. 基础 → fundamental adj. 根本的，基础的 → fundamentally adv. 根本上 5. medicine n. 医学，药物 → medical adj. 医学的，医疗的 → medication n. 药物 6. special adj. 特殊的 → specialize vi. 专门研究 → specialist n. 专家 考点串讲 词形转换 7. wide adj. 广泛的 → widespread adj. 分布广的，普遍的 8. phenomenon n. 现象 → phenomena n. （复数）现象 9. acupuncture n. 针灸 → acupuncturist n. 针灸师 10. normal adj. 正常的 → abnormal adj. 反常的，畸形的 考点串讲 词汇精讲 1. identify vt. 确认，识别；找到，发现 情景导学 Geneticists have been trying to identify which genes relate to which diseases. 遗传学家一直试图找出哪些基因与哪些疾病相关。 用法归纳 ①identify sth. /sb. (as sth.) 确认某物 / 某人（为……） ②identify with sb. /sth. 认同某人 / 某物；与…… 产生共鸣 ③be identified as 被认定为 词汇拓展 ①identification n. 识别，身份证明 ②identity n. 身份 即时训练 科学家们已经识别出了导致这种罕见疾病的关键基因。 Scientists have identified the key gene that causes this rare disease. 考点串讲 词汇精讲 2. affect vt. 影响；侵袭，使感染；深深打动 情景导学 Our personal genome contains information that helps determine our lifespan and affects our chances of contracting certain diseases. 我们的个人基因组包含决定寿命、影响患上特定疾病概率的信息。 用法归纳 ①be greatly affected by 深受…… 的影响 ②be affected with 患有（疾病） 词汇拓展 ①effect n. 影响，效果；作用 ②effective adj. 有效的 ③have an effect on 对…… 有影响 即时训练 长时间使用电子设备会严重影响青少年的视力。 Long-time use of electronic devices can seriously affect teenagers' eyesight. 考点串讲 词汇精讲 3. fundamental adj. 十分重大的，根本的；基础的 情景导学 Genome editing will lead to a fundamental change in our approach to health care. 基因组编辑将给我们的医疗保健方式带来根本性的改变。 用法归纳 ①be fundamental to 对…… 是必不可少的；对…… 是根本的 ②fundamental difference /change 根本差异 / 变化 词汇拓展 ①fundamentally adv. 根本上，从根本上说 即时训练 规律的作息对身体健康至关重要。 Regular rest is fundamental to good physical health. 考点串讲 词汇精讲 4. widespread adj. 分布广的，普遍的，广泛的 情景导学 Today, acupuncture is recognized as a symbol of traditional Chinese culture and has come into widespread use around the world. 如今，针灸被视为中国传统文化的象征，在全世界得到广泛应用。 用法归纳 ①widespread use /application 广泛应用 ②widespread concern /damage 普遍担忧 / 大面积破坏 词汇拓展 ①widely adv. 广泛地 即时训练 近视问题在中国中小学生中十分普遍。 The problem of short-sightedness is widespread among Chinese primary and middle school students. 考点串讲 As the technology continues to develop at a fast pace, however, questions arise about how to use it appropriately. Sentence 1 as 引导时间状语从句，意为 “随着，当…… 时” 主句 译文：然而，随着这项技术飞速发展，人们对如何合理使用它产生了诸多疑问。 即时训练 随着医疗水平的提升，人们的平均寿命在不断延长。 As medical standards improve, people‘s average lifespan is constantly increasing. 考点串讲 句型精讲 Ultimately, this new technology might even make it possible to prevent diseases from ever developing by correcting abnormal genes early on. Sentence 2 make it + adj. + to do sth.意为 “使做某事成为可能” 译文：最终，这项新技术甚至可以通过及早修正异常基因，从根源上预防疾病发生。 即时训练 现代针灸技术让治疗更多慢性疾病成为可能。 Modern acupuncture technology makes it possible to treat more chronic diseases. it 为形式宾语，真正的宾语是后面的不定式短语 to prevent diseases from ever developing Unit 3 Fit for life 译林版·选择性必修第二册 单元语法 单元语法 现在完成进行时 现在完成进行时表示动作从过去某一时间开始，持续到现在且仍在进行，或刚刚结束但与现在状态紧密相关。 1. 基本结构 肯定式：have/has + been + 现在分词（have/has been doing） 否定式：have/has not + been + 现在分词 疑问式：Have/Has + 主语 + been + doing...? 2. 核心用法 （1）表示动作从过去开始，持续到现在且仍将继续 Scientists have been making great progress in robotic technology in recent years. 单元语法 现在完成进行时 2. 核心用法 （2）表示动作刚刚结束，但对现在造成影响或带有感情色彩 I have been reading the article about acupuncture, so I know a lot about it. （3）常与延续性时间状语连用 In recent years, over the past three months, since..., for... 等。 In recent years, doctors have been using acupuncture to treat more mental health problems like anxiety. Over the past century, medical science has been developing at an amazing pace. Since the new treatment was introduced, patients have been reporting better recovery effects. 单元语法 现在完成进行时 3. 现在完成时 vs 现在完成进行时 现在完成时：强调动作的结果、完成性，动作可以已结束，侧重对现在的 影响 现在完成进行时：强调动作的持续性、过程性，动作通常仍在进行，侧重 动作的延续 例： I have read the medical report.（已读完，强调结果） I have been reading the medical report.（一直在读，强调过程） 即时训练 选择正确的单词完成句子 1.The research team ________________ (has worked / has been working) on the new vaccine for two years and they still need more time. 2. I _______________ (have waited / have been waiting) for the doctor for an hour, and there are still three people ahead of me. 3. The hospital ____________ (has used / has been using) this new treatment method since last year and has achieved good results. has been working have been waiting has been using 单元语法 现在完成进行时 即时训练 选择正确的单词完成句子 4. We ____________ (have discussed / have been discussing) the issue of teenage short-sightedness many times. 5. Over the past few months, the number of students with poor eyesight ________________ (has increased / has been increasing) rapidly. 6. Dr. Wang ________________ (has practiced / has been practicing) acupuncture in this clinic for 15 years and she still takes in new patients every month. 7. So far, the school ____________ (has carried out / has been carrying out) three different campaigns to protect students’ eyesight. 7. The researcher _______________ (has studied / has been studying) the genetic markers related to lifespan since he graduated in 2010. have discussed has been increasing has been practicing has been studying has carried out Unit 3 Fit for life 译林版·选择性必修第二册 主题写作 主题写作 主题解读 主题解读 本单元写作主题为青少年近视问题相关议论文，属于议论类文体，要求学生围绕近视的现状、成因、防控措施等话题展开论述，考查观点表达、因果分析与建议提出的语言运用能力。 写作思路 议论文写作采用三段式结构。 主题写作 写作思路 议论文 开头段 中间段 结尾段 引出学生近视高发的现象，点明写作主题 从成因、危害等角度展开论证，结合具体论据 总结观点，给出具体的防控建议与展望 主题写作 写作素材 1. 议论文开头常用句式 （1）The past decades have witnessed a rapid increase in the number of short-sighted students in China. 过去几十年间，中国近视学生的数量快速增长。 （2）Nowadays, short-sightedness has become one of the most common health problems among teenagers. 如今，近视已成为青少年最常见的健康问题之一。 （3）With the popularity of electronic devices, teenage short-sightedness has aroused widespread public concern. 随着电子设备的普及，青少年近视问题引发了公众的广泛担忧。 主题写作 写作素材 2. 议论文中间常用句式 （1）There are many factors contributing to the rise of short-sightedness among students. 导致学生近视率上升的因素有很多。 （2）On the one hand, long hours of close-range study and screen time put great pressure on students' eyes. 一方面，长时间的近距离学习和使用电子设备给学生的眼睛带来巨大负担。 （3）On the other hand, lack of outdoor activities is another major cause of poor eyesight. 另一方面，缺乏户外活动是视力下降的另一主要原因。 （4）Short-sightedness not only brings inconvenience to daily life, but may also cause serious eye diseases in the long run. 近视不仅给日常生活带来不便，长此以往还可能引发严重的眼部疾病。 主题写作 写作素材 3. 议论文结尾常用句式 （1）All in all, protecting eyesight requires joint efforts from schools, families and students themselves. 总而言之，保护视力需要学校、家庭和学生自身的共同努力。 （2）From my perspective, taking regular breaks and increasing outdoor activities are effective ways to protect our eyes. 在我看来，定时休息、增加户外活动是保护视力的有效方法。 （3）To sum up, we should raise the awareness of eye protection and form good eye-using habits. 总的来说，我们应该增强护眼意识，养成良好的用眼习惯。 主题写作 写作模板 Short-sightedness Among Teenagers The past decades have witnessed a rapid increase in the number of short-sighted students in China. Nowadays, ______. There are many reasons for this phenomenon. First of all, ______. What's more, ______. However, short-sightedness also brings negative effects. ______. To sum up, ______. We should ______ to protect our eyesight. 主题写作 写作练习 假定你是李华，学校英语报正在举办 “青少年视力保护” 征文活动，请你写一篇短文投稿。内容包括： 1. 青少年近视的现状与成因； 2. 近视带来的影响； 3. 你的建议。 注意： 1. 词数80左右； 2. 可以适当增加细节，以使行文连贯； 3. 开头和结尾已给出，不计入总词数。 主题写作 写作范文 Short-sightedness Among Teenagers The past decades have witnessed a rapid increase in the number of short-sighted students in China. Nowadays, most junior and senior high students suffer from poor eyesight, which has aroused wide public concern. Many factors contribute to this problem. Long hours of study and excessive use of electronic devices put great strain on students' eyes. Besides, lack of outdoor activities makes the situation worse. Short-sightedness brings inconvenience to daily life and may even cause severe eye problems. To sum up, we should attach importance to eye protection. Forming good reading habits and taking more outdoor activities can help us keep good eyesight. Unit 3 Fit for life 译林版·选择性必修第二册 综合训练 综合训练 一、根据句意及汉语提示写出单词。 1. The new medical treatment will bring a __________ (根本的) change to the treatment of the disease. 2. Scientists have i________ the gene that is linked to the rare disease. 3. Acupuncture has gained __________ (广泛的) recognition around the world. 4. We should not _____ antibiotics in daily medical treatment. 5. The doctor __________ (专门研究) in treating eye diseases and is very popular with patients. fundamental identified widespread abuse specializes 综合训练 二、单句语法填空 1. The scientists ________________ (study) the effects of genome editing for years. 2. The number of students with short-sightedness _______________ (increase) rapidly in recent years. 3. The disease is caused by _______ (normal) genes and can be treated with gene editing. 4. Acupuncture dates back to ancient times and is used ______ (treat) various health problems. 5. The new hospital is equipped ____advanced medical devices. have been studying has been increasing abnormal with to treat 综合训练 三、完成句子 1. 中国的针灸疗法可以追溯到数千年前的石器时代。 Chinese acupuncture therapy can ____________ the Stone Age thousands of years ago. 2. 许多青少年因长期不健康的用眼习惯成为近视的受害者。 Many teenagers ____________ short-sightedness due to long-term unhealthy eye habits. 3. 目前，全球遗传学家都在努力攻克基因组编辑带来的伦理难题。 At present, geneticists worldwide are ____________ the ethical challenges brought by genome editing. date back to fall victim to wrestling with 综合训练 三、完成句子 4. 真正具备体育精神的运动员永远不会轻易认输，哪怕获胜的希望十分渺茫。 A true athlete with sportsmanship will never _________ easily, even when there is little hope of winning. 5. 主办方在比赛中途更改评分标准，无异于暗中改变规则，引发了选手们的不满。 The organizers changed the scoring standards halfway through the competition, which was equivalent to _______________ secretly and caused dissatisfaction among the players. related to to name but a few 译林版·选择性必修第二册 感谢聆听 $