Unit 9 Section 3 “To Clone or Not to Clone？”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）

本讲义围绕“克隆是否可行”主题，系统构建词汇与句式学习支架。从阅读单词认知（如显性基因、伦理问题）、重点单词书写（如技术壁垒、关键因素），到活用变形、构词规律（如- cy/- ment结尾名词）、高级词块应用（如in comparison with），再到核心词汇（identical, clue等）深度解析及重点句式（The reason why...is that..., whether...or...）解构，形成从基础到应用的递进脉络。 该资料以梯度化设计提升语言能力，词汇学习“知义-写形-变式-构词-应用”五步进阶，结合克隆主题语境（如灵长类克隆、伦理问题），通过“用法感知-归纳点拨-应用融会”培养思维品质（如clue的语境辨析）。句式“句法训练+仿写”强化表达，随堂语法填空助力课后巩固，既便于课中教师引导，又利于学生查漏补缺，提升学习能力。

Section 3　 “To Clone or Not to Clone？”的新知学习环节 课时目标 1.熟记单词、短语的意思和用法，并能灵活运用。 2.掌握文章中的一些重要句型，并学以致用。 一、阅读单词——知其义 1. 2．a dominant gene　　　　　 显性基因 3．twin sisters 孪生姐妹 4．most native mammal 大多数本地哺乳动物 5．clone primates 克隆灵长类动物 6．reproductive function 繁殖功能 7．ethical questions 伦理问题 二、重点单词——写其形 1．the technical barrier　　　 技术壁垒 2．last forever 永远耐用 3．offer clues 提供线索 4．provoke strong emotions 激起强烈的情绪 5．a crucial factor 关键性的因素 6．be bound to lead to cloning 必定导致克隆 7．inferior goods 劣质商品 8. 三、活用单词——悉其变 1. 2. 3. 4. 5. 6. 7. 8. 9. 四、拓展构词——明其规(依据规律串记单词) 1．accuracy：以－cy结尾的名词　 ①fluency　　　　　　　 流畅性 ②efficiency 效率 ③currency 货币 ④emergency 紧急事件 2．treatment：以－ment结尾的名词　 ①equipment　　　　　　 设备 ②development 发展 ③achievement 成就 ④improvement 改善 五、高级词块——通其用 1．for_generations　　　　　　 数代 2．at_first 最初 3．more_than 超过；非常；不只是 4．as_well 也，还，同样地 5．in_comparison_with 与……相比 6．take_care_of 照顾 7．a_number_of 大量的 8．lead_to 导致 9．a_great_deal_of 大量的 10．the_number_of ……的数量 11．be_bound_to 注定 12．depend_on 依靠 1．Another example of natural cloning is identical twins, who are produced from the same egg. 自然克隆的另一个例子是同卵双胞胎，它们是由同一个卵子受精产生的。 ★identical adj.完全相同的，非常相似的 |用|法|感|知| ·There are no two leaves which are identical in the world.世界上没有两片完全相同的树叶。 ·(“传统文化”主题佳句)Traditional festivals are a source of national pride and help reshape our national identity.传统节日是民族自豪感的源泉，有助于重塑我们的民族认同。 [归纳点拨] (1)be identical to/with sb./sth. 与某人/某物完全相同 (2)identity n．　　 特征；身份；同一性；相同；一致 the identity between A and B 在A和B之间有同一性 a sense of national/cultural/social identity 民族/文化/社会认同感 identity card (ID card) 　　　　 身份证；身份卡 |应|用|融|会| (单句语法填空/完成句子) ①The number on the card should be identical with the one on the chequebook. ②Truth in the deeper sense consists in the identity between objectivity and the notion. ③The two pictures are similar, although not identical (identity)． ④This is the_identical_room we stayed in last year. 这就是我们去年住的那个房间。 2．...and may also offer clues on how to prevent the aging process. ……也可能为延缓衰老提供线索。 ★clue n．线索，提示 |用|法|感|知| ·(“细节描写”佳句)His eyes are searching the inside of the car for a clue to what could have happened. 他的眼睛在车内搜寻可能发生的事情的线索。 ·(“神态描写”佳句)They stared back, their blank faces giving no clue as to what they would say next. 他们回头看了看，一脸茫然，不知道接下来会说什么。 [归纳点拨] a clue to　　　　　　 (关于)……的线索 a clue as to 关于……的线索或提示 not have a clue 一无所知，不知怎么做 |应|用|融|会| (单句语法填空/完成句子) ①Diet may hold the clue to the causes of migraine (偏头痛)． ②This gave me a clue as to the source of the problem. ③She doesn't_have_a_clue about computers. 她对电脑一窍不通。 3．This could help save research time, reduce the number of animals required for testing, produce more accurate results, and lead to more effective treatments. 这有助于节省研究时间，减少实验所需动物的数量，使实验结果更准确、治疗方法更有效。 ★accurate adj.准确的，正确的 |用|法|感|知| ·(“学校生活”主题佳句)The precise measurements taken during the experiment led to an accurate conclusion, filling the classroom with a sense of achievement.实验期间进行的精确测量得出了准确的结论，让课堂充满了成就感。 ·(“人物描写”佳句)Shooting with great accuracy was another thing he learnt. 精准投篮是他学会的另外一项技能。 [归纳点拨] (1)be accurate in/at　　 在……方面准确 to be accurate 精确地说(用作插入语) (2)accurately adv. 精确地，准确地 (3)accuracy n. 精确，准确 |应|用|融|会| (单句语法填空/完成句子) ①Therefore, it is very important to calculate and control calories accurately (accurate)． ②Researchers developed the smart keyboard to improve accuracy (accurate) in typing. ③To_be_accurate,_206 national or regional delegations participated in the 2024 Paris Olympics. 精确地说，共有206个国家或地区代表团参加了2024年巴黎奥运会。 ④We hope to be_more_accurate_in/at predicting the earthquakes.我们希望在预测地震方面能更精确。 ★treatment n．诊疗，治疗，疗法；对待方式 |用|法|感|知| ·(名言警句)The treatment of disease must first cure the spirit, and medicine must first cure the heart. 治病必先治神，药疗必先疗心。 ·(名言警句)Treat other people as you hope they will treat you.己所不欲，勿施于人。 [归纳点拨] (1)a treatment of/for ...　　　 ……的疗法 (2)treat vt. 治疗；对待；视为 vi. 请客；协商 n. 请客；款待 treat oneself well 善待自己 treat ...like/as 把……看作…… treat sb.to sth. 招待某人吃某物 treat ...with ... 用……对待/治疗 be one's treat 某人请客 |应|用|融|会| (根据提示完成下面语段) Tom ①is_being_treated_in_a_famous_hospital (正在一家著名的医院接受治疗) where ②the_doctors_treat_him_well (医生对他很好)．All the doctors ③treat_him_as_a_child (像对待孩子一样对待他) and even ④treat_him_to_some_fruits (请他吃水果)．In addition, they all have good manners and they are never fed up with anyone.Tom thinks that he will recover soon ⑤after_their_treatment (经过他们的治疗)． 4．They believe it is bound to lead to cloning of other species, and they worry about the ethical questions this raises. 他们认为这项技术必将导致其他物种的克隆，担心由此会引发伦理问题。 ★bound adj.很有可能，肯定会 |用|法|感|知| ·(“学校生活”主题佳句)They are said to have developed a new approach to teaching which is bound to improve classroom teaching greatly. 据说他们已经开发出一种新的教学方法，这种方法必将极大地改善课堂教学。 ·The doctor told her that her illness was bound up with the pressure of her study and work.医生告诉她她的疾病与她紧张的学习和工作有密切关系。 [归纳点拨] be bound to do/be sth.　　 一定会；很可能会 be bound by 受(法律、义务或情况)约束(必须做某事)； 有义务(做某事) be bound up with sth. 和某事密切相关 be bound up in sth. 忙于某事；热衷于某事 |应|用|融|会| (单句语法填空/完成句子) ①It's bound to_be (be) sunny again tomorrow. ②You are bound by the contract to pay before the end of the month. ③You've done so much work — you are_bound_to_pass_the_exam. 你下了这么大功夫，一定会通过考试。 ④He is_too_bound_up_in his work to have much time for his children. 他工作太忙，没有很多时间陪孩子。 5．In comparison with other species, cloning primates has proved to be “much harder”， and doing so with non－reproductive cells was even more complicated. 与其他的物种相比，克隆灵长类动物要“困难得多”，而使用非生殖细胞克隆则更为复杂。 ★in/by comparison with与……相比较 |用|法|感|知| ·Since living in the country is cheap in comparison with that in big cities, my grandpa decided to spend the rest of his life in the country. 由于住在乡下比住在大城市要便宜，我爷爷决定在乡下度过他的余生。 ·(“建议”类佳句)Don't always compare yourself with others, because everyone has his advantages. 不要总是把自己和别人比较，因为每个人都有自己的优势。 [归纳点拨] (1)comparison n．　　　　　 比较 by comparison (尤用于句首)比较起来，较之 there's no comparison ... (强调比较之下的差别) 无法相比，根本不能相提并论 (2)compare v. 比较 compare to/with 与……比较 compare A to/with B 比较A和B compare A to B 把A比作B compared to/with 与……相比 |应|用|融|会| (单句语法填空/完成句子) ①By comparison, expenditure on education in my family increased last year. ②The second half of the game was dull by comparison with the first. ③There's_no_comparison in terms of price. 在价格方面无法相比。 ④The telecom industry in Australia is very small in/by_comparison_with the rest of the world. 澳大利亚的电信业与世界其他地方的电信业相比规模很小。 ⑤Compared_to/with_traditional_learning,_online learning has its own advantages. 与传统学习相比，网络学习有其自身的优势。 1．The reason they worked so hard to break this technical barrier was to get animals with edited genes and produce animal models that are helpful for medical research and human health.他们之所以如此努力地要突破这一技术壁垒，是为了获得经过基因编辑的动物，研制动物模型，为医学研究和人类健康发展做贡献。 本句中“they worked so hard to break this technical barrier”是省略关系副词why的定语从句，修饰先行词the reason。 (1)The reason why ...is/was that ... “……的原因是……”； (2)That's why ...“那就是……的原因”，why引导表语从句，后接前面原因产生的结果； (3)That's because ...“那是因为……”，后接产生前面那种结果的原因。 “两层级”学通用活句式 (1)通过“句式变换”弄明句式结构 ①About seventy－one percent of its surface is covered by water, so from space, the earth looks blue. →From space, the earth looks blue.This_is_because about seventy－one percent of its surface is covered by water. ②The scenery along the river is amazing, so I think the trip is wonderful. →The scenery along the river is amazing.That's_why I think the trip is wonderful. ③You have improved your studying methods, so you have made great progress in English. →The_reason_why you have made great progress in English is_that you have improved your studying methods. (2)通过“一句多译”做到熟练运用 我可以传播中国文化，让世界更好地了解中国。这就是我要求成为一名志愿者的原因。 ④I can spread Chinese culture and make the world understand China better.That's_why I ask to be a volunteer. ⑤I ask to be a volunteer.That's_because I can spread Chinese culture and make the world understand China better. ⑥The_reason_why I ask to be a volunteer is_that I can spread Chinese culture and make the world understand China better. 2．How it is used, whether it is a blessing or a curse to mankind, depends on mankind and not on the instrument. 怎样使用它，究竟是给人类带来幸福还是带来灾难，完全取决于人类自己，而不取决于工具。 本句中whether ...or ...引导让步状语从句，还可以引导名词性从句。 “两层级”学通用活句式 (1)通过“句法训练”弄明句式结构(单句语法填空) ①Whether you're seeking lifelong satisfaction or a few moments of good cheer, you've got to move forward. ②Whether that is good or bad, we can't really say, but for the two of us, going green is a lifestyle. ③We were wondering whether to_go (go) today or tomorrow. (2)通过“句式仿写”做到熟练运用 ④无论下不下雨，我们星期六一定踢足球。 Whether_or_not_it_rains/Whether_it_rains_or_not,_we're playing football on Saturday. ⑤不管你是成功者还是失败者，你都应该对你的家庭负责。 Whether_you_are_a_success_or_a_failure,_you should be responsible for your family. ⑥她一夜未曾入睡，反复思索着去还是留。 She lay awake all night pondering whether_to_leave_or_stay. 课文缩写语法填空 根据课文内容，在空白处填入1个适当的单词或括号内单词的正确形式。 Cloning is the process of making an exact copy of a plant or animal and ①developing (develop) it either naturally or artificially.Here ②are (be) some typical examples about cloning.The first ③successfully (successful) cloned animal was a sheep ④named (name) Dolly in 1996.In January 2018, the cloning of two long－tailed monkeys, Zhong Zhong ⑤and Hua Hua, was announced by Chinese ⑥scientists (scientist)．The successful cloning of primates has led to worldwide praise as ⑦a huge breakthrough.Cloning, however, continues to be an issue ⑧that causes a great deal of disagreement and provokes strong emotions.While some people believe it is crucial for ⑨scientific (science) advancement, others raise moral concerns.Researchers insist that the science of cloning should ⑩be_explored (explore) and advanced further. 学科网（北京）股份有限公司 $