Unit 9 Section 7 “Epidemics Explained”的新知学习环节-【新课程学案】2025-2026学年高中英语选择性必修第三册教师用书word（北师大版）

本高中英语讲义围绕“Epidemics Explained”主题，系统梳理词汇（阅读、重点、活用单词）、构词规律（如-ble、-fy结尾词）、高级词块及核心词汇（classify、bury等），并结合with复合结构、过去分词作定语等句式，构建从基础积累到综合应用的学习支架。 资料通过“拓展构词”串记单词培养学习能力，“句式变换与仿写”提升语言能力，短语动词分类讲解结合即时应用（如语法填空、完成句子）发展思维品质。课中辅助教师系统授课，课后助力学生通过练习查漏补缺，强化知识应用。

Section 7　“Epidemics Explained”的新知学习环节 课时目标 1.学习并掌握重点语言知识，包括单词、短语及句式等。 2.积累短语动词的含义，并学以致用。 一、阅读单词——知其义 1．the threat of epidemics　　　 流行病的威胁 2．bacteria infections 细菌传染 3．a low baseline 低基线 4. 5. 6．one visible symptom 一个明显的症状 7．a case of lung disease 一例肺部疾病 二、重点单词——写其形 1．a widespread virus　　　　　 广泛传播的病毒 2．several different factors 几个不同的因素 3．bury his loved dog 埋葬他的爱犬 4. 5．in the course of the outbreak 在爆发的过程中 6．undergo clinical trial 进行临床试验 7．underline the fact 强调这个事实 8．the actual number of deaths 实际的死亡数量 9．thorough and systematic medical research 全面系统的医学研究 三、活用单词——悉其变 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 四、拓展构词——明其规(依据规律串记单词) 1．visible：以－ble结尾的形容词　 ①possible　　　　　　 可能的 ②flexible 灵活的 ③responsible 负责的 ④incredible 难以置信的 2．classify：以－fy结尾的动词　 ①purify　　　　　　　 净化 ②simplify 简化 ③clarify 澄清 ④beautify 美化 五、高级词块——通其用 1．carry_into　　　　　 把……带进 2．be_classified_as 被归类为…… 3．millions_of 数百万的；无数的…… 4．on_record 记录在案的；公开发表的 5．die_from 死于；因……而死 6．as_a_result_of 因此，由于；作为……的结果 7．in_the_course_of 在……的过程中；在……期间 8．result_in 导致 9．get_over 克服；恢复；熬过 10．because_of 因为；由于 11．come_up_with 提出；想出 1．Each disease can only officially be classified as an epidemic once a certain number of deaths have occurred from the disease. 只有致死病例达到一定数量，某种疾病才会被正式定性为流行病。 ★classify vt.将……分类；把……归入一类 |用|法|感|知| ·(“环境保护”主题佳句)We should learn to classify garbage in order to recycle it. 为了进行回收利用，我们要学会对垃圾进行分类。 ·It's difficult to sort out these old books, for some of them belong to none of the classification. 把这些旧书分类很困难，因为有些不属于任何一种类别。 [归纳点拨] (1)classify ...into ...　　　 把……分成……类 classify ...as ... 把……划分为；把……列为…… classify ...according to/by ... 按……分类 (2)classification n. 归类，分类，分级 |应|用|融|会| (单句语法填空/完成句子) ①The books in the library are_classified (classify) according to subject. ②Living creatures are classified into plants, animals and micro－organisms. ③For the convenience of our classification (classify), any over eighteen years old counts as an adult. ④Would you classify_her_novels_as serious literature or others? 你把她的小说归类为严肃文学，还是其他？ 2．So a very rare disease will have a low baseline and just a few cases of it in one place will be classified as an epidemic；as opposed to more common diseases, such as the flu, that have a higher baseline. 罕见疾病的基线很低，即使某一地区只出现少数病例，也会被认定为是流行病。与此相反，常见疾病的基线较高，如流感。 ★rare adj.稀有的，罕见的，不常发生的 |用|法|感|知| ·As natural resources become increasingly rare, choices have to be made and priorities to be set. 随着自然资源变得日益稀少，人们必须做出选择，确定优先事项。 ·It is rare for pandas to be found in other countries. 大熊猫在其他国家很罕见。 归纳点拨 (1)It is rare for sb.to do sth. 某人很少做某事 It is rare to do sth. 做某事很少见 (2)rarely adv. 稀少地；极少地 名师点津 rarely位于句首时，句子要用部分倒装。用法类似的否定副词还有never、 little、 seldom、 hardly等。 |应|用|融|会| (单句语法填空/完成句子) ①Tom rarely (rare) goes to other places except for the office. ②It_is_rare_for_students_to understand and use a new language immediately. 学生能马上理解和使用新语言是很少见的。 ③Rarely has_he_heard_of such an interesting story. 他很少听说如此有趣的故事。 ★as opposed to相对于(表示对比) |用|法|感|知| ·(“建议”类佳句)Try to see it as an opportunity to learn something, as opposed to a setback. 试着将它看作是一次学习的机会，而不是一次挫折。 ·(“神态描写”佳句)With all of my friends opposed to my plan, I couldn't resist sobbing, hiding my face in my hands. 我所有的朋友都反对我的计划，我忍不住哭了起来，用手捂着脸。 [归纳点拨] (1)opposed adj.　 　 与某事物相反； 反对某事物，不赞成某事物 be opposed to (doing) sth. 反对(做)某事 (2)oppose v. 反对；对抗；抗争 oppose (sb.) doing sth. 　　 反对(某人)做某事 oppose A to/against B 　　 使A与B对抗/对照 (3)opposite adj. 相反的，对立的 prep. 与……相反；在……对面 n. 对立面；反面 be opposite to 在……对面，与……相反 (4)opposition n. 反对，反抗 |应|用|融|会| (单句语法填空/完成句子) ①At first he was opposed (oppose) to the scheme, but we managed to argue him into accepting it. ②I have been consistently opposed to feeding (feed) a baby regularly. ③Good habits always lead to high efficiency, while bad ones bring the opposite (oppose)． ④Only 54% of the respondents said that they went to work by public transport, as opposed to 65% five years ago. ⑤Opposed_to_developing the ancient town, the local people prevented the construction workers from entering their villages. 当地人反对开发这座古城，阻止建筑工人进入他们的村庄。 3．Families who had only just got through the war now had to bury their loved ones who had died of the disease. 刚刚熬过战争的人们现在不得不埋葬他们死于疾病的亲人。 ★bury vt.埋葬，安葬；埋藏 |用|法|感|知| ·(主旨升华句)The secret of a happy life isn't buried in a treasure chest.It lies within your heart. 幸福人生的秘密并非藏在财宝箱里，而是在你的心里。 ·(“神态描写”佳句)Mary is sitting on a park bench, burying herself in her book/buried in her book. 玛丽正坐在公园的长椅上，专心致志地看书。 归纳点拨 bury ...in ...　　　 把……埋到……里 bury one's face/head in one's hands 双手掩面/抱头 be buried in ...＝bury oneself in ... 埋头于……，专心于…… 联想发散 表示“专心于”的其他表达：be absorbed in; be lost in; be devoted to/devote oneself to; concentrate on; focus on等。 |应|用|融|会| (1)单句语法填空 ①Burying (bury) her face in her hands, she sobbed silently. ②Ever since Tom moved here, he has buried himself (he) in his research work. (2)句式升级 Because he buried himself in his lessons, he knew nothing about the outside world. ③Burying_himself_in_his_lessons,_he knew nothing about the outside world.(动词－ing形式作状语) ④Buried_in_his_lessons,_he knew nothing about the outside world.(动词－ed形式作状语) 4．...governments worldwide have underlined the fact that they want thorough and systematic medical research on epidemics ... ……世界各国政府都已经强调，要对流行病进行彻底和系统的医学研究…… ★underline vt.强调，使突出；在……之下画线 |用|法|感|知| ·The teacher underlined the words so that the students could pay special attention to them. 老师在这些单词下面画线，以便学生们能特别注意。 ·The report underlined his concern that standards were at risk. 该报告强调了他对标准会面临风险的担忧。 [归纳点拨] (1)underline the importance of ... 强调……的重要性 (2)underlined adj. 有下划线的 |应|用|融|会| (单句语法填空/完成句子) ①Translate the underlined (underline) sentence into Chinese. ②The teacher asked the students to take two coloured pens and underline_the_positive_and_ negative_words_respectively. 老师要求学生拿出两支彩笔，分别在表示肯定和否定意义的单词下面画线。 ③The report underlines_the_importance_of pre－school education. 这份报告强调学前教育的重要性。 1．With recent press reports drawing parallels between bird flu and killer epidemics of the past, Jim Smith looks at the sometimes depressing history of epidemics for clues about how we can create a more positive future without epidemics. 最近有新闻报道，吉姆·史密斯将禽流感和过去致命的流行病做对比，在屡屡令人感到沮丧的流行病史中寻找线索，从而创造一个远离流行病的美好未来。 本句中“with recent press reports drawing ...”为with复合结构作状语。 (1)with复合结构的具体构成形式： (2)此结构在句中可作定语，也可作状语，表示伴随、方式、条件、原因等。 “两层级”学通用活句式 (1)通过“句式变换”弄明句式结构 (用with复合结构升级) ①Because a guide will show us around the scenic spots, we're sure to have a good time. →With_a_guide_to_show_us_around_the_scenic_spots,_we're sure to have a good time. ②She fixed her eyes on the beautiful scenery and forgot to take photos. →With_her_eyes_fixed_on_the_beautiful_scenery,_she forgot to take photos. (2)通过“句式仿写”做到熟练运用 ③(2025·浙江1月高考写作)格林一家仔细地听着，脸上带着怀疑的表情。 The Greens listened carefully, with_doubtful_expressions_on_their_faces. ④在这么令人害怕的情况下没有一个可以求助的人，她感到很无助。 With_no_one_to_turn_to in such a frightening situation, she felt very helpless. ⑤(2025·全国Ⅱ卷写作)随着提交截止日期的临近，我们希望能尽快更新您的进度。 With_the_submission_deadline_approaching,_we would love a quick update on your progress. 2．Centuries later, the Great Flu Epidemic of 1918, also called the Spanish Flu, struck near the end of World War Ⅰ. 几个世纪后，第一次世界大战快结束时爆发了1918年大流感，又称西班牙流感。 句中called the Spanish Flu是过去分词短语作后置定语，修饰the Great Flu Epidemic of 1918。 过去分词作定语的用法： (1)位置：单个过去分词作定语时，通常放在被修饰词之前；过去分词短语作定语时，通常放在被修饰词之后。 (2)时态/语态特点：及物动词的过去分词可表示被动或动作已完成；不及物动词的过去分词只表示动作已完成，不表被动。 (3)扩展性：过去分词短语作后置定语时常可扩展成定语从句。 “两层级”学通用活句式 (1)通过“句式变换”弄明句式结构 ①They finally accepted the proposal which was put forward at the meeting. →They finally accepted the proposal put_forward_at_the_meeting. ②Most of the artists who were invited to the party were from South America. →Most of the artists invited_to_the_party were from South America. ③The car that was abandoned was eventually found by a river. →The_abandoned_car was eventually found by a river. (2)通过“句式仿写”做到熟练运用 ④(2024·新高考Ⅰ卷写作)受到美景的启发，我决定创作一幅水彩画，画的是公园池塘上的小桥，周围是盛开的鲜花。 Inspired by the fantastic scenery, I decided to create a watercolor painting of the small bridge over the park's pond, surrounded_by_blooming_flowers. ⑤在学校图书馆一楼举行的展览激发了(人们)对传统艺术越来越强烈的爱。 The exhibition held_on_the_first_floor_of_the_school_library sparks a growing love for traditional art. 语法项目—— Phrasal Verbs (2) 语境自主感知 1．(教材典句)They can be caused by several different factors, such as a virus being carried into an area ... 2．(教材典句)Scientists now estimate that up to 50% of the area's population died from the epidemic, making it one of the main causes of the fall of the Roman Empire. 3．(教材典句)Then, from 2013 to 2016, there was the most widespread outbreak of the Ebola Virus Disease (EVD) in West Africa, which resulted in a major loss of life in a number of west African countries. 4．(教材典句) ...the fact that they want thorough and systematic medical research on epidemics to get at the causes and come up with cures as soon as possible. 5．She turned off all the lights which had been left on. 6．The earth is our home and we have the duty to take care of it for ourselves and for our later generations. [我的发现] 短语动词常有以下几种构成方式：①动词＋介词，如句1,2,3；②动词＋副词，如句5；③动词＋副词＋介词，如句4；④动词＋名词/代词＋介词，如句6。 语法规则点拨 短语动词是由动词加介词、副词或其他词构成的词组，其作用和动词差不多。有些短语动词相当于及物动词，有些则相当于不及物动词。 1．动词＋副词：不及物动词短语或及物动词短语。 (1)put up、 put down、 take out、 take up等为及物动词短语；若宾语为代词，要将代词置于动词和副词之间；若宾语为名词，其位置则灵活。 They put up the posters all around the town to advertise the circus. 他们在镇上到处张贴海报，宣传这个马戏团。 I wanted to know if she could put me up for a few days. 我想知道她能否让我留宿几天。 (2)break out、 break down、 come out、 come on、 go on、 go out等为不及物动词短语。 After a fire broke out in the lab, a lot of equipment was damaged. 实验室发生火灾后，很多设备被毁坏了。 (3)set off、 set out等短语既是及物动词短语也是不及物动词短语。 It used to be a tradition for the Chinese to set off fireworks during the Spring Festival. 过去春节期间放鞭炮是中国人的传统。 It was raining hard when we set off. 我们出发时正下着大雨。 2．动词＋介词：这一类短语通常是及物动词短语。如：agree on、 agree with、 approve of、 break into、 belong to、 consist of、 come across、 fall for、 hear of等。 It consists of more than 400 elements. 它由400多种元素组成。 Many old people often talk about the people and the things that they came across many years ago. 很多老人经常谈论多年前他们遇到的人和事。 3．动词＋副词＋介词：这一类短语通常是及物动词短语。如：face up to、 get down to、 look forward to、 look up to、 look down upon、 make up for等。 Meanwhile, I am looking forward to hearing from you as soon as possible. 同时，我期待着尽快收到您的回信。 She determined to work twice as hard as before to make up for the lost time. 她决定加倍努力工作，把失去的时间补回来。 4．动词＋名词＋介词：这一类短语通常是及物动词短语。如：take care of、 make use of、 pay attention to、 take advantage of、 take note of、 take notice of、 catch sight of、 get/lay hold of、 keep pace with、 lose sight of、 lose track of、 make a fool of、 make fun of、 put an end/a stop to、 take account of、 take pity on等。 What is referred to in the book is how to make use of limited earth resources. 这本书涉及如何利用有限的地球资源。 |名|师|点|津|　这类短语动词常可用于被动语态，并且可以有两种形式。 (Good) care was taken of the children. ＝The children were taken (good) care of. 孩子们受到了(很好的)照顾。 5．动词＋其他：如“动词＋it”构成的短语动词make it、 put it、 get it等。 I don't think we'll make it, but let's try anyway. 我认为我们不一定会成功，但不管怎样还是试一试吧。 即时应用体验 Ⅰ.单句语法填空 1．If you are looking for the best comedies on tour and brilliant live music, you should start here. 2．Native Americans had taken care of these precious natural resources wisely. 3．It's the best way to get rid of your used clothes, score clothes from your friends, and have a party all at the same time. 4．With money running out,_he couldn't afford the round－trip tickets. 5．She picked up Japanese when she was in Japan. Ⅱ.完成句子 1．There was a fire, and the_old_factory_was_burned_down. 发生了一场火灾，旧工厂被烧毁了。 2．Jim managed to hold_back_his_anger and avoided a fight.吉姆设法抑制了怒火，避免了一起冲突。 3．She is determined to work hard to live_up_to_the_expectations_of_her_parents. 她决心努力工作，不辜负父母的期望。 4．In the dark it was hard for us to make_out_the_numbers_on_the_houses. 在黑暗中，我们很难辨认出房子上的号码。 5．If you don't say sorry for your mistake, they won't let_you_get_away_with_it.如果你不为自己的错误道歉的话，他们是不会放过你的。 6．(2025·浙江1月高考)For Ribeiro, it has become a perfect platform for pursuing her hobby of buying food, trying_out_new_recipes and holding dinner parties. 对里贝罗来说，这已经成为她追求购买食物、尝试新食谱和举办晚宴等爱好的完美平台。 学科网（北京）股份有限公司 $