U9 Period 7 Writing—A Summary(2)-【优化探究】2025-2026学年新教材高中英语选择性必修第三册同步导学案配套PPT课件（北师大版）

选择性必修第三册 UNIT 9　HUMAN BIOLOGY Period 7　Writing—A Summary(2) 内容索引 NEIRONGSUOYIN 细读文本 落实要素 单元写作 能力提升 细读文本 落实要素 Activity 1　Read for some details. Read the summary and choose the best answers. 1．Which of the following is NOT the feature of the epidemic? A．Infection.　　　　 B．Variation. C．Rapid spread. D．Too many deaths. 答案：B 2．Which epidemic has occurred twice in history? A．The SARS. B．The Bird Flu. C．The Black Death. D．The Spanish Flu. 答案：C 3．What should the world do to deal with the pandemics? A．Reduce contact and avoid infection. B．Strengthen cooperation and work together. C．Get vaccinations to boost your immunity. D．Protect the environment and solve the root causes. 答案：B Activity 2　Read for the structures. Read the summary and fill in the blanks. Parts Corresponding paragraphs Key information 1 1-2 ____________ 2 3-6 ___________________________ 3 7-8 ___________________________ 4 9 ________________________________________ Definition Some epidemics were connected Epidemics in the 21st century Cooperation needed to fight against epidemics Activity 3　Read for some good sentences. 1．说明文的概要写作开头要写明被说明事物的概念。请在文中找出这样的句子。 ___________________________________________________________________________________________________________________________________________________________ An epidemic is the rapid spread of an infectious disease over a short period of time，causing a large number of deaths，the number of which differs for different diseases. 2．概要中的事例往往更言简意赅。 请在文中找出这样的句子。 (1)____________________________________________________________________________________ (2)_____________________________________________________________________________________ The 1997 bird flu which claimed over 100 lives was an adaptation of the Great Flu of 1918. According to official records EVD has killed more than 11，310 people in West Africa alone. 3．说明文概要中陈述一个问题，往往在最后说明解决方法。请在文中找出这样的句子。 ___________________________________________________________________________________________________________ Globally，researchers are coming together to try to identify the causes for epidemics and help to find effective treatments. 单元写作 能力提升 Part 1　单元写作任务：概要写作(2)   文体分析： 本单元的写作任务是写概要写作。写概要写作应包括下列几方面： (一)细读每段文章，画主题句，圈关键词，辨别主次信息 在阅读原文时，首先找到该段的主题句或中心句，并圈出重点信息词汇，分清主要信息和次要信息，把修饰成分、细节内容、举例说明等次要信息删掉。 (二)用自己的语言，写出该段要点 概要写作要求学生用自己的语言准确地转述作者的要点，因此，不要整句抄原文，可以采用以下表达方式： 1．替换法：同义词替换；单词替换短语；短语替换句子等； 2．转换法：词性转换；句式转换；语态转换等； 3．合并法：把几个信息合并在一个句子中表达；将原文多个简单句整合成一个句子等。 (三)选用恰当的衔接词(组)，把每段要点串连成篇 概要写作要求学生有效地使用语句间的连接成分，使所完成的概要逻辑连贯，衔接自然，结构紧凑。 知识储备： 常用的衔接词(组)有： 1．表示递进关系的有besides，moreover，furthermore, in addition，what's more, what's worse, worse still等； 2．表示因果关系的有therefore，thus, consequently, due to, owing to, thanks to等； 3．表示转折关系的有however, otherwise, anyway/anyhow, although，even though等； 4．表示对比关系的有similarly，instead，on the contrary，on the other hand等； 5．表示时间顺序关系的有eventually，finally, gradually, immediately, afterwards, meanwhile/meantime, in the meanwhile/meantime等； 6．表示总结关系的有in a word, in short, in conclusion, in brief, in summary, in general, to sum up, on the whole等； 7．表示情感关系的有luckily, unfortunately, to one's great joy/satisfaction/surprise等。 阅读下面短文，根据其内容写一篇60词左右的内容概要。 New research aimed at understanding the impact of screen time and social media on adolescent brains found in early testing significant differences in brain chemistry for kids who had at least seven hours of screen time a day, compared to kids who used screens less. Psychologist Lisa Damour explained that social media is incredibly appealing.“We know it triggers (触发) the reward centers in the brain.And this is true for grown-ups too, not teenagers and kids，”Damour said Monday.“We also know that digital technology disturbs things that are important for healthy development, such as sleep, one-on-one interactions that are face to face, learning how to focus on one's schoolwork and physical activities.So we should already start to be drawing some lines around digital technology, just to protect normal and healthy development.” Experts suggest avoiding screen time other than video chatting for children younger than 18 months.For children between 2 to 5 years old, the group recommends limiting screen time to one hour per day with “high-quality programs”． While experts have offered a variety of guidelines for screen time, Damour, recommended parents should start from considering what they're trying to protect.“So we're trying to protect sleep.We're trying to protect family time.We're trying to protect focus.So I think the guidelines should flow from there，” she said.“Children need a lot more sleep than people appreciate.Elementary school children need 11 hours a night, middle schoolers need 10 hours a night.High schoolers need 9 hours a night.So if we even do that, that's a good guideline.” On February 12, Damour is releasing her latest book, Under Pressure：Confronting the Epidemic of Stress and Anxiety in Girls.She explained, “When high schoolers get phones that disturb their sleep, consequently they go on to have higher rates of depression.”“Social media is just one element of the ‘broad scope’ of factors parents need to consider that may be causing stress and anxiety for kids，” she said. 审题谋篇： 第一步：细读原文。首先要仔细阅读短文，掌握文章主旨和结构，明确各段的大意。文章主要说明了研究发现，不同屏幕使用时间的孩子的大脑化学物质存在重要差异。心理学家Lisa Damour解释说，社交媒体非常有吸引力，因为大脑中的奖励中心被激活了，但与此同时，数字技术对健康发展产生了负面影响。专家们对屏幕使用时间提出了各种建议。然而，Damour建议父母应该考虑到他们试图保护的东西。此外，社交媒体只是造成孩子压力和焦虑的因素之一。 第二步：弄清要求。概要写作是写全文概要，不是写某一部分的概要，或者就某些问题写出要点。 第三步：列出原文要点。分析原文的内容和结构，将内容分项扼要表述并注意在结构上的顺序。在此基础上选出与文章主题密切相关的部分。 第四步：在写作时要特别注意下面几点： (1)概要应包括原文中的主要事实，略去不必要的细节； (2)安排好篇幅的比例，概要应同原文保持协调，即用较多的文字写重要内容，用较少的文字写次要内容； (3)注意要点之间的衔接，要用适当的关联词语贯通全文，切忌只简单地写出一些互不相干的句子，但也不要每两句之间都加关联词语，以免显得生硬； (4)不排斥用原文的某些词句，但不要照搬原文的句子，如果不能完全用自己的话语表达，至少对原文句子做一些同义词替换，如果结构上也能有一些转换会更好； (5)计算词数，看是否符合规定的词数要求。 妙笔成篇： Research found vital differences in brain chemistry for kids with different screen time.(要点1)Psychologist Lisa Damour explained that social media is very attractive as the reward centers in the brain are activated but meanwhile digital technology negatively affects healthy development.(要点2)Experts have provided various suggestions for screen time.(要点3) However, Damour suggested parents should take what they're trying to protect into account.(要点4)Besides, social media is just one of the factors that may cause stress and anxiety for kids.(要点5) 阅读下面短文，根据其内容写一篇60词左右的内容概要。 In school and at home，most of us have been scolded (责骂) or even got punished for daydreaming.Most people say that by daydreaming we waste our time and energy on something that is nothing less than unproductive things.But many medical studies have shown something different.They've stressed the fact that daydreaming works wonders on our imagination，creativity and situation-handling technique.In fact，many problems can be easily solved if we daydream. The biggest benefit of daydreaming is that your mood gets the right improvement.By separating yourself from the world around you，you tend to enjoy the solitude (独处) in your mind and get peace from daydreaming as you think about something that calms your senses.When you start imagining things or while daydreaming，you tend to forget all the stress and tension.Instead，you get happiness from it and this happiness changes into a source of energy that helps you work in a good mood. Many psychologists have said that people who daydream tend to have a sharper memory.It's true that when you're daydreaming，you tend to get carried away to imagine various situations，either real or unreal.You tend to act differently in different situations，trying to satisfy your mind by doing what you want in your dreams.When your mind gets satisfied，you're in a better position to concentrate more on your work.Since daydreaming activates (激活) the nerves of your brain，you tend to pay more attention and your ability to remember things develops. When you daydream，you imagine yourself as your heart says and therefore，you get to know yourself better.You also start realizing the mistakes you've made in life and you start trying your best to avoid repeating them.Such imagination helps you to connect yourself with your soul. ________________________________________________________________________________________________________________ [参考范文] Most people regard daydreaming as a waste of time and energy.However，that's not the case.Many medical studies have found that daydreaming has a lot of benefits. First of all，daydreaming can lighten your mood. What's more，it is helpful in improving your memory. Last but not least，daydreaming can lead to greater self-awareness and improve yourself. Part 2　读后续写日积月累 读后续写专练之“惊恐” 积累常诵 afraid, scared, scary, frightened, frightening, fearful, terrified, terrifying，fear, scare, fright, frighten, terror，scare/frighten ...to death, stand still, scare sb.out of one's wits, a flood of fear, a feeling of fear, a flood of fear wells up, a tremble of fear, face turns pale with fear, in panic, have one's heart in one's mouth 按要求用表示“惊恐、害怕”的表达补全下面各句 ①你无法想象北极熊向我们逼近时我们是多么恐惧。(感叹句) You can not imagine ______________________ at the approach of the polar bear. ②我吓呆了，不敢动弹。(无生命名词作主语) __________________________ entirely in its power, and I was unable to move an inch. how frightened we were A burst of horror held me ③惊恐之下，我觉得我两腿发抖，手心冒汗。(形容词短语作状语) ______________________， I felt my legs _____________________ ___________________________． ④我的妻子站在我旁边，她被吓呆了，一动不动。(形容词短语作状语) Beside me was my wife, who was standing still, ________________． Extremely frightened were trembling and my palms were sweating frozen with fear ⑤看着北极熊的血盆大口，她几乎吓晕过去。 She looked at the polar bear's bloody mouth, and ________________________________________． →____________________________________________________________________________(分词短语作状语) she was nearly dead with fright Looking at the polar bear's bloody mouth, she was nearly dead with fright. ⑥一阵恐惧涌上她的心头。她喉咙发紧，膝盖发软。(无生命名词作主语) ______________________________________．Her throat tightened and her knees felt weak. A wave of fear welled up in/swept over her $$